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C# DomainObject.isNull方法代码示例

本文整理汇总了C#中DomainObject.isNull方法的典型用法代码示例。如果您正苦于以下问题：C# DomainObject.isNull方法的具体用法？C# DomainObject.isNull怎么用？C# DomainObject.isNull使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类DomainObject的用法示例。


在下文中一共展示了DomainObject.isNull方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: delete

        public void delete(DomainObject subject, SqlConnection connection, SqlTransaction transaction)
        {
            try
            {
                Territory territory = (Territory)subject;

                SqlCommand command = new SqlCommand(
                    "DELETE FROM Territories WHERE TerritoryID = @TerritoryId AND VersionId = @VersionId",
                    connection, transaction);

                command.Parameters.Add("@VersionId", territory.Timestamp.Value);
                if(subject.isNull("TerritoryId"))
                {
                    command.Parameters.Add("@TerritoryId", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@TerritoryId", territory.TerritoryId);
                }
                if(command.ExecuteNonQuery() <= 0)
                {
                    throw new ConcurrencyException();
                }
            }
            catch(SqlException sqle)
            {
                throw new ApplicationException(sqle.Message);
            }
            catch(Exception e)
            {
                throw new ApplicationException(e.Message);
            }
        }
开发者ID:eglimi，项目名称:storm，代码行数:33，代码来源:TerritoryMapper.cs

示例2: delete

        public void delete(DomainObject subject, SqlConnection connection, SqlTransaction transaction)
        {
            try
            {
                Employee employee = (Employee)subject;

                SqlCommand command = new SqlCommand(
                    "DELETE FROM Employees WHERE EmployeeID = @EmployeeId AND VersionId = @VersionId",
                    connection, transaction);

                command.Parameters.Add("@VersionId", employee.Timestamp.Value);
                if(subject.isNull("EmployeeId"))
                {
                    command.Parameters.Add("@EmployeeId", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@EmployeeId", employee.EmployeeId);
                }
                if(command.ExecuteNonQuery() <= 0)
                {
                    throw new ConcurrencyException();
                }
            }
            catch(SqlException sqle)
            {
                throw new ApplicationException(sqle.Message);
            }
            catch(Exception e)
            {
                throw new ApplicationException(e.Message);
            }
        }
开发者ID:eglimi，项目名称:storm，代码行数:33，代码来源:EmployeeMapper.cs

示例3: delete

        public void delete(DomainObject subject, SqlConnection connection, SqlTransaction transaction)
        {
            try
            {
                Person person = (Person)subject;

                SqlCommand command = new SqlCommand(
                    "DELETE FROM Persons WHERE PersonID = @PersonId AND chTimestamp = @chTimestamp",
                    connection, transaction);

                command.Parameters.Add("@chTimestamp", person.Timestamp.Value);
                if(subject.isNull("PersonId"))
                {
                    command.Parameters.Add("@PersonId", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@PersonId", person.PersonId);
                }
                if(command.ExecuteNonQuery() <= 0)
                {
                    throw new ConcurrencyException();
                }
            }
            catch(SqlException sqle)
            {
                throw new ApplicationException(sqle.Message);
            }
            catch(Exception e)
            {
                throw new ApplicationException(e.Message);
            }
        }
开发者ID:eglimi，项目名称:storm，代码行数:33，代码来源:PersonMapper.cs

示例4: delete

        public void delete(DomainObject subject, SqlConnection connection, SqlTransaction transaction)
        {
            try
            {
                OrderDetail orderdetail = (OrderDetail)subject;

                SqlCommand command = new SqlCommand(
                    "DELETE FROM OrderDetails WHERE OrderID = @Order AND ProductID = @Product AND chTimestamp = @chTimestamp",
                    connection, transaction);

                command.Parameters.Add("@chTimestamp", orderdetail.Timestamp.Value);
                if(subject.isNull("Order") || orderdetail.Order.isNull("OrderId"))
                {
                    command.Parameters.Add("@Order", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@Order", orderdetail.Order.Id[0]);
                }
                if(subject.isNull("Product") || orderdetail.Product.isNull("ProductId"))
                {
                    command.Parameters.Add("@Product", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@Product", orderdetail.Product.Id[0]);
                }
                if(command.ExecuteNonQuery() <= 0)
                {
                    throw new ConcurrencyException();
                }
            }
            catch(SqlException sqle)
            {
                throw new ApplicationException(sqle.Message);
            }
            catch(Exception e)
            {
                throw new ApplicationException(e.Message);
            }
        }
开发者ID:eglimi，项目名称:storm，代码行数:41，代码来源:OrderDetailMapper.cs

示例5: insert

        public void insert(DomainObject subject, SqlConnection connection, SqlTransaction transaction)
        {
            try
            {
                Order order = (Order)subject;
                SqlCommand command = new SqlCommand(
                    "INSERT INTO Orders (ShippedDate, OrderDate, PersonID, OrderState) VALUES (@ShippedDate, @OrderDate, @Person, @OrderState) ; SELECT OrderID, chTimestamp FROM Orders WHERE OrderID = SCOPE_IDENTITY()",
                    connection, transaction);

                if(subject.isNull("ShippedDate"))
                {
                    command.Parameters.Add("@ShippedDate", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@ShippedDate", order.ShippedDate);
                }
                if(subject.isNull("OrderDate"))
                {
                    command.Parameters.Add("@OrderDate", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@OrderDate", order.OrderDate);
                }
                if(subject.isNull("Person") || order.Person.isNull("PersonId"))
                {
                    command.Parameters.Add("@Person", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@Person", order.Person.PersonId);
                }
                if(subject.isNull("OrderState"))
                {
                    command.Parameters.Add("@OrderState", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@OrderState", order.OrderState);
                }
                SqlDataReader reader = command.ExecuteReader();
                if(reader.Read())
                {
                    order.Id = new Key(new object[] {
                        safeGetInt32(reader, "OrderID")});
                    order.Timestamp = safeGetTimestamp(reader);
                    subject.FireIdChanged();
                    reader.Close();
                }
                else
                {
                    reader.Close();
                    throw new ConcurrencyException();
                }
            }
            catch(SqlException sqle)
            {
                throw new ApplicationException(sqle.Message);
            }
            catch(Exception e)
            {
                throw new ApplicationException(e.Message);
            }
        }
开发者ID:eglimi，项目名称:storm，代码行数:65，代码来源:OrderMapper.cs

示例6: update

        public void update(DomainObject subject, SqlConnection connection, SqlTransaction transaction)
        {
            try
            {
                Employee employee = (Employee)subject;
                SqlCommand command = new SqlCommand(
                    "UPDATE Employees SET Title = @Title, FirstName = @FirstName, BirthDate = @BirthDate, ReportsTo = @ReportsTo, City = @City, LastName = @LastName, HireDate = @HireDate WHERE EmployeeID = @EmployeeId AND VersionId = @VersionId IF @@ROWCOUNT > 0  BEGIN SELECT VersionId FROM Employees WHERE EmployeeID = @EmployeeId END",
                    connection, transaction);

                command.Parameters.Add("@VersionId", employee.Timestamp.Value);
                if(subject.isNull("EmployeeId"))
                {
                    command.Parameters.Add("@EmployeeId", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@EmployeeId", employee.EmployeeId);
                }
                if(subject.isNull("Title"))
                {
                    command.Parameters.Add("@Title", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@Title", employee.Title);
                }
                if(subject.isNull("FirstName"))
                {
                    command.Parameters.Add("@FirstName", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@FirstName", employee.FirstName);
                }
                if(subject.isNull("BirthDate"))
                {
                    command.Parameters.Add("@BirthDate", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@BirthDate", employee.BirthDate);
                }
                if(subject.isNull("ReportsTo") || employee.ReportsTo.isNull("ReportsTo"))
                {
                    command.Parameters.Add("@ReportsTo", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@ReportsTo", employee.ReportsTo.Id[0]);
                }
                if(subject.isNull("City"))
                {
                    command.Parameters.Add("@City", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@City", employee.City);
                }
                if(subject.isNull("LastName"))
                {
                    command.Parameters.Add("@LastName", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@LastName", employee.LastName);
                }
                if(subject.isNull("HireDate"))
                {
                    command.Parameters.Add("@HireDate", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@HireDate", employee.HireDate);
                }

                SqlDataReader reader = command.ExecuteReader();
                if(reader.Read())
                {
                    employee.Timestamp = safeGetTimestamp(reader);
                    reader.Close();
                }
                else
                {
                    reader.Close();
                    throw new ConcurrencyException();
                }
                subject.FireIdChanged();

            }
            catch(SqlException sqle)
            {
                throw new ApplicationException(sqle.Message);
            }
            catch(Exception e)
            {
                throw new ApplicationException(e.Message);
            }
        }
开发者ID:eglimi，项目名称:storm，代码行数:98，代码来源:EmployeeMapper.cs

示例7: insert

        public void insert(DomainObject subject, SqlConnection connection, SqlTransaction transaction)
        {
            try
            {
                Employee employee = (Employee)subject;
                SqlCommand command = new SqlCommand(
                    "INSERT INTO Employees (Title, FirstName, BirthDate, ReportsTo, City, LastName, HireDate) VALUES (@Title, @FirstName, @BirthDate, @ReportsTo, @City, @LastName, @HireDate) ; SELECT EmployeeID, VersionId FROM Employees WHERE EmployeeID = SCOPE_IDENTITY()",
                    connection, transaction);

                if(subject.isNull("Title"))
                {
                    command.Parameters.Add("@Title", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@Title", employee.Title);
                }
                if(subject.isNull("FirstName"))
                {
                    command.Parameters.Add("@FirstName", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@FirstName", employee.FirstName);
                }
                if(subject.isNull("BirthDate"))
                {
                    command.Parameters.Add("@BirthDate", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@BirthDate", employee.BirthDate);
                }
                if(subject.isNull("ReportsTo") || employee.ReportsTo.isNull("ReportsTo"))
                {
                    command.Parameters.Add("@ReportsTo", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@ReportsTo", employee.ReportsTo.ReportsTo);
                }
                if(subject.isNull("City"))
                {
                    command.Parameters.Add("@City", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@City", employee.City);
                }
                if(subject.isNull("LastName"))
                {
                    command.Parameters.Add("@LastName", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@LastName", employee.LastName);
                }
                if(subject.isNull("HireDate"))
                {
                    command.Parameters.Add("@HireDate", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@HireDate", employee.HireDate);
                }
                SqlDataReader reader = command.ExecuteReader();
                if(reader.Read())
                {
                    employee.Id = new Key(new object[] {
                        safeGetInt32(reader, "EmployeeID")});
                    employee.Timestamp = safeGetTimestamp(reader);
                    subject.FireIdChanged();
                    reader.Close();
                }
                else
                {
                    reader.Close();
                    throw new ConcurrencyException();
                }
            }
            catch(SqlException sqle)
            {
                throw new ApplicationException(sqle.Message);
            }
            catch(Exception e)
            {
                throw new ApplicationException(e.Message);
            }
        }
开发者ID:eglimi，项目名称:storm，代码行数:89，代码来源:EmployeeMapper.cs

示例8: update

        public void update(DomainObject subject, SqlConnection connection, SqlTransaction transaction)
        {
            try
            {
                Address address = (Address)subject;
                SqlCommand command = new SqlCommand(
                    "UPDATE Addresses SET Email = @Email, Street = @Street, City = @City, PersonID = @Person, Phone = @Phone, PostalCode = @PostalCode WHERE AddressID = @AddressId AND chTimeStamp = @chTimeStamp IF @@ROWCOUNT > 0  BEGIN SELECT chTimeStamp FROM Addresses WHERE AddressID = @AddressId END",
                    connection, transaction);

                command.Parameters.Add("@chTimeStamp", address.Timestamp.Value);
                if(subject.isNull("AddressId"))
                {
                    command.Parameters.Add("@AddressId", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@AddressId", address.AddressId);
                }
                if(subject.isNull("Email"))
                {
                    command.Parameters.Add("@Email", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@Email", address.Email);
                }
                if(subject.isNull("Street"))
                {
                    command.Parameters.Add("@Street", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@Street", address.Street);
                }
                if(subject.isNull("City"))
                {
                    command.Parameters.Add("@City", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@City", address.City);
                }
                if(subject.isNull("Person") || address.Person.isNull("PersonId"))
                {
                    command.Parameters.Add("@Person", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@Person", address.Person.Id[0]);
                }
                if(subject.isNull("Phone"))
                {
                    command.Parameters.Add("@Phone", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@Phone", address.Phone);
                }
                if(subject.isNull("PostalCode"))
                {
                    command.Parameters.Add("@PostalCode", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@PostalCode", address.PostalCode);
                }

                SqlDataReader reader = command.ExecuteReader();
                if(reader.Read())
                {
                    address.Timestamp = safeGetTimestamp(reader);
                    reader.Close();
                }
                else
                {
                    reader.Close();
                    throw new ConcurrencyException();
                }
                subject.FireIdChanged();

            }
            catch(SqlException sqle)
            {
                throw new ApplicationException(sqle.Message);
            }
            catch(Exception e)
            {
                throw new ApplicationException(e.Message);
            }
        }
开发者ID:eglimi，项目名称:storm，代码行数:90，代码来源:AddressMapper.cs

示例9: update

        public void update(DomainObject subject, SqlConnection connection, SqlTransaction transaction)
        {
            try
            {
                Product product = (Product)subject;
                SqlCommand command = new SqlCommand(
                    "UPDATE Products SET UnitPrice = @UnitPrice, Category = @Category, ProductName = @ProductName, QuantityPerUnit = @QuantityPerUnit WHERE ProductID = @ProductId AND chTimestamp = @chTimestamp IF @@ROWCOUNT > 0  BEGIN SELECT chTimestamp FROM Products WHERE ProductID = @ProductId END",
                    connection, transaction);

                command.Parameters.Add("@chTimestamp", product.Timestamp.Value);
                if(subject.isNull("ProductId"))
                {
                    command.Parameters.Add("@ProductId", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@ProductId", product.ProductId);
                }
                if(subject.isNull("UnitPrice"))
                {
                    command.Parameters.Add("@UnitPrice", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@UnitPrice", product.UnitPrice);
                }
                if(subject.isNull("Category"))
                {
                    command.Parameters.Add("@Category", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@Category", product.Category);
                }
                if(subject.isNull("ProductName"))
                {
                    command.Parameters.Add("@ProductName", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@ProductName", product.ProductName);
                }
                if(subject.isNull("QuantityPerUnit"))
                {
                    command.Parameters.Add("@QuantityPerUnit", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@QuantityPerUnit", product.QuantityPerUnit);
                }

                SqlDataReader reader = command.ExecuteReader();
                if(reader.Read())
                {
                    product.Timestamp = safeGetTimestamp(reader);
                    reader.Close();
                }
                else
                {
                    reader.Close();
                    throw new ConcurrencyException();
                }
                subject.FireIdChanged();

            }
            catch(SqlException sqle)
            {
                throw new ApplicationException(sqle.Message);
            }
            catch(Exception e)
            {
                throw new ApplicationException(e.Message);
            }
        }
开发者ID:eglimi，项目名称:storm，代码行数:74，代码来源:ProductMapper.cs

示例10: insert

        public void insert(DomainObject subject, SqlConnection connection, SqlTransaction transaction)
        {
            try
            {
                OrderDetail orderdetail = (OrderDetail)subject;
                SqlCommand command = new SqlCommand(
                    "INSERT INTO OrderDetails (Quantity, UnitPrice, OrderID, ProductID) VALUES (@Quantity, @UnitPrice, @Order, @Product) ; SELECT chTimestamp FROM OrderDetails WHERE OrderID= @Order AND ProductID= @Product",
                    connection, transaction);

                if(subject.isNull("Quantity"))
                {
                    command.Parameters.Add("@Quantity", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@Quantity", orderdetail.Quantity);
                }
                if(subject.isNull("UnitPrice"))
                {
                    command.Parameters.Add("@UnitPrice", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@UnitPrice", orderdetail.UnitPrice);
                }
                if(subject.isNull("Order") || orderdetail.Order.isNull("OrderId"))
                {
                    command.Parameters.Add("@Order", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@Order", orderdetail.Order.OrderId);
                }
                if(subject.isNull("Product") || orderdetail.Product.isNull("ProductId"))
                {
                    command.Parameters.Add("@Product", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@Product", orderdetail.Product.ProductId);
                }
                SqlDataReader reader = command.ExecuteReader();
                if(reader.Read())
                {
                    orderdetail.Timestamp = safeGetTimestamp(reader);
                    subject.FireIdChanged();
                    reader.Close();
                }
                else
                {
                    reader.Close();
                    throw new ConcurrencyException();
                }
            }
            catch(SqlException sqle)
            {
                throw new ApplicationException(sqle.Message);
            }
            catch(Exception e)
            {
                throw new ApplicationException(e.Message);
            }
        }
开发者ID:eglimi，项目名称:storm，代码行数:63，代码来源:OrderDetailMapper.cs

示例11: update

        public void update(DomainObject subject, SqlConnection connection, SqlTransaction transaction)
        {
            try
            {
                Region region = (Region)subject;
                SqlCommand command = new SqlCommand(
                    "UPDATE Region SET RegionDescription = @Description WHERE RegionID = @RegionId AND VersionId = @VersionId IF @@ROWCOUNT > 0  BEGIN SELECT VersionId FROM Region WHERE RegionID = @RegionId END",
                    connection, transaction);

                command.Parameters.Add("@VersionId", region.Timestamp.Value);
                if(subject.isNull("RegionId"))
                {
                    command.Parameters.Add("@RegionId", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@RegionId", region.RegionId);
                }
                if(subject.isNull("Description"))
                {
                    command.Parameters.Add("@Description", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@Description", region.Description);
                }

                SqlDataReader reader = command.ExecuteReader();
                if(reader.Read())
                {
                    region.Timestamp = safeGetTimestamp(reader);
                    reader.Close();
                }
                else
                {
                    reader.Close();
                    throw new ConcurrencyException();
                }
                subject.FireIdChanged();

            }
            catch(SqlException sqle)
            {
                throw new ApplicationException(sqle.Message);
            }
            catch(Exception e)
            {
                throw new ApplicationException(e.Message);
            }
        }
开发者ID:eglimi，项目名称:storm，代码行数:50，代码来源:RegionMapper.cs

示例12: insert

        public void insert(DomainObject subject, SqlConnection connection, SqlTransaction transaction)
        {
            try
            {
                Region region = (Region)subject;
                SqlCommand command = new SqlCommand(
                    "INSERT INTO Region (RegionDescription) VALUES (@Description) ; SELECT RegionID, VersionId FROM Region WHERE RegionID = SCOPE_IDENTITY()",
                    connection, transaction);

                if(subject.isNull("Description"))
                {
                    command.Parameters.Add("@Description", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@Description", region.Description);
                }
                SqlDataReader reader = command.ExecuteReader();
                if(reader.Read())
                {
                    region.Id = new Key(new object[] {
                        safeGetInt32(reader, "RegionID")});
                    region.Timestamp = safeGetTimestamp(reader);
                    subject.FireIdChanged();
                    reader.Close();
                }
                else
                {
                    reader.Close();
                    throw new ConcurrencyException();
                }
            }
            catch(SqlException sqle)
            {
                throw new ApplicationException(sqle.Message);
            }
            catch(Exception e)
            {
                throw new ApplicationException(e.Message);
            }
        }
开发者ID:eglimi，项目名称:storm，代码行数:41，代码来源:RegionMapper.cs

示例13: insert

        public void insert(DomainObject subject, SqlConnection connection, SqlTransaction transaction)
        {
            try
            {
                Territory territory = (Territory)subject;
                SqlCommand command = new SqlCommand(
                    "INSERT INTO Territories (TerritoryDescription, TerritoryID, RegionID) VALUES (@TerritoryDescription, @TerritoryId, @Region) ; SELECT VersionId FROM Territories WHERE TerritoryID= @TerritoryId",
                    connection, transaction);

                if(subject.isNull("TerritoryDescription"))
                {
                    command.Parameters.Add("@TerritoryDescription", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@TerritoryDescription", territory.TerritoryDescription);
                }
                if(subject.isNull("TerritoryId"))
                {
                    command.Parameters.Add("@TerritoryId", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@TerritoryId", territory.TerritoryId);
                }
                if(subject.isNull("Region") || territory.Region.isNull("RegionId"))
                {
                    command.Parameters.Add("@Region", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@Region", territory.Region.RegionId);
                }
                SqlDataReader reader = command.ExecuteReader();
                if(reader.Read())
                {
                    territory.Timestamp = safeGetTimestamp(reader);
                    subject.FireIdChanged();
                    reader.Close();
                }
                else
                {
                    reader.Close();
                    throw new ConcurrencyException();
                }
            }
            catch(SqlException sqle)
            {
                throw new ApplicationException(sqle.Message);
            }
            catch(Exception e)
            {
                throw new ApplicationException(e.Message);
            }
        }
开发者ID:eglimi，项目名称:storm，代码行数:55，代码来源:TerritoryMapper.cs

示例14: update

        public void update(DomainObject subject, SqlConnection connection, SqlTransaction transaction)
        {
            try
            {
                Order order = (Order)subject;
                SqlCommand command = new SqlCommand(
                    "UPDATE Orders SET ShippedDate = @ShippedDate, OrderDate = @OrderDate, PersonID = @Person, OrderState = @OrderState WHERE OrderID = @OrderId AND chTimestamp = @chTimestamp IF @@ROWCOUNT > 0  BEGIN SELECT chTimestamp FROM Orders WHERE OrderID = @OrderId END",
                    connection, transaction);

                command.Parameters.Add("@chTimestamp", order.Timestamp.Value);
                if(subject.isNull("OrderId"))
                {
                    command.Parameters.Add("@OrderId", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@OrderId", order.OrderId);
                }
                if(subject.isNull("ShippedDate"))
                {
                    command.Parameters.Add("@ShippedDate", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@ShippedDate", order.ShippedDate);
                }
                if(subject.isNull("OrderDate"))
                {
                    command.Parameters.Add("@OrderDate", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@OrderDate", order.OrderDate);
                }
                if(subject.isNull("Person") || order.Person.isNull("PersonId"))
                {
                    command.Parameters.Add("@Person", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@Person", order.Person.Id[0]);
                }
                if(subject.isNull("OrderState"))
                {
                    command.Parameters.Add("@OrderState", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@OrderState", order.OrderState);
                }

                SqlDataReader reader = command.ExecuteReader();
                if(reader.Read())
                {
                    order.Timestamp = safeGetTimestamp(reader);
                    reader.Close();
                }
                else
                {
                    reader.Close();
                    throw new ConcurrencyException();
                }
                subject.FireIdChanged();

            }
            catch(SqlException sqle)
            {
                throw new ApplicationException(sqle.Message);
            }
            catch(Exception e)
            {
                throw new ApplicationException(e.Message);
            }
        }
开发者ID:eglimi，项目名称:storm，代码行数:74，代码来源:OrderMapper.cs

示例15: update

        public void update(DomainObject subject, SqlConnection connection, SqlTransaction transaction)
        {
            try
            {
                OrderDetail orderdetail = (OrderDetail)subject;
                SqlCommand command = new SqlCommand(
                    "UPDATE OrderDetails SET UnitPrice = @UnitPrice, Quantity = @Quantity WHERE OrderID = @Order AND ProductID = @Product AND chTimestamp = @chTimestamp IF @@ROWCOUNT > 0  BEGIN SELECT chTimestamp FROM OrderDetails WHERE OrderID = @Order AND ProductID = @Product END",
                    connection, transaction);

                command.Parameters.Add("@chTimestamp", orderdetail.Timestamp.Value);
                if(subject.isNull("Order") || orderdetail.Order.isNull("OrderId"))
                {
                    command.Parameters.Add("@Order", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@Order", orderdetail.Order.Id[0]);
                }
                if(subject.isNull("Product") || orderdetail.Product.isNull("ProductId"))
                {
                    command.Parameters.Add("@Product", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@Product", orderdetail.Product.Id[0]);
                }
                if(subject.isNull("UnitPrice"))
                {
                    command.Parameters.Add("@UnitPrice", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@UnitPrice", orderdetail.UnitPrice);
                }
                if(subject.isNull("Quantity"))
                {
                    command.Parameters.Add("@Quantity", DBNull.Value );
                }
                else
                {
                    command.Parameters.Add("@Quantity", orderdetail.Quantity);
                }

                SqlDataReader reader = command.ExecuteReader();
                if(reader.Read())
                {
                    orderdetail.Timestamp = safeGetTimestamp(reader);
                    reader.Close();
                }
                else
                {
                    reader.Close();
                    throw new ConcurrencyException();
                }
                subject.FireIdChanged();

            }
            catch(SqlException sqle)
            {
                throw new ApplicationException(sqle.Message);
            }
            catch(Exception e)
            {
                throw new ApplicationException(e.Message);
            }
        }
开发者ID:eglimi，项目名称:storm，代码行数:66，代码来源:OrderDetailMapper.cs


注：本文中的DomainObject.isNull方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。