当前位置: 首页>>代码示例>>C#>>正文


C# SqlDataAdapter.InsertCommand属性代码示例

本文整理汇总了C#中System.Data.SqlClient.SqlDataAdapter.InsertCommand属性的典型用法代码示例。如果您正苦于以下问题:C# SqlDataAdapter.InsertCommand属性的具体用法?C# SqlDataAdapter.InsertCommand怎么用?C# SqlDataAdapter.InsertCommand使用的例子?那么恭喜您, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在System.Data.SqlClient.SqlDataAdapter的用法示例。


在下文中一共展示了SqlDataAdapter.InsertCommand属性的2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: CreateCustomerAdapter

public static SqlDataAdapter CreateCustomerAdapter(
    SqlConnection connection)
{
    SqlDataAdapter adapter = new SqlDataAdapter();

    // Create the SelectCommand.
    SqlCommand command = new SqlCommand("SELECT * FROM Customers " +
        "WHERE Country = @Country AND City = @City", connection);

    // Add the parameters for the SelectCommand.
    command.Parameters.Add("@Country", SqlDbType.NVarChar, 15);
    command.Parameters.Add("@City", SqlDbType.NVarChar, 15);

    adapter.SelectCommand = command;

    // Create the InsertCommand.
    command = new SqlCommand(
        "INSERT INTO Customers (CustomerID, CompanyName) " +
        "VALUES (@CustomerID, @CompanyName)", connection);

    // Add the parameters for the InsertCommand.
    command.Parameters.Add("@CustomerID", SqlDbType.NChar, 5, "CustomerID");
    command.Parameters.Add("@CompanyName", SqlDbType.NVarChar, 40, "CompanyName");

    adapter.InsertCommand = command;

    // Create the UpdateCommand.
    command = new SqlCommand(
        "UPDATE Customers SET CustomerID = @CustomerID, CompanyName = @CompanyName " +
        "WHERE CustomerID = @oldCustomerID", connection);

    // Add the parameters for the UpdateCommand.
    command.Parameters.Add("@CustomerID", SqlDbType.NChar, 5, "CustomerID");
    command.Parameters.Add("@CompanyName", SqlDbType.NVarChar, 40, "CompanyName");
    SqlParameter parameter = command.Parameters.Add(
        "@oldCustomerID", SqlDbType.NChar, 5, "CustomerID");
    parameter.SourceVersion = DataRowVersion.Original;

    adapter.UpdateCommand = command;

    // Create the DeleteCommand.
    command = new SqlCommand(
        "DELETE FROM Customers WHERE CustomerID = @CustomerID", connection);

    // Add the parameters for the DeleteCommand.
    parameter = command.Parameters.Add(
        "@CustomerID", SqlDbType.NChar, 5, "CustomerID");
    parameter.SourceVersion = DataRowVersion.Original;

    adapter.DeleteCommand = command;

    return adapter;
}
开发者ID:.NET开发者,项目名称:System.Data.SqlClient,代码行数:53,代码来源:SqlDataAdapter.InsertCommand

示例2: Main

//引入命名空间
using System;
using System.Data;
using System.Data.SqlClient;

class MainClass
{
   static void Main(string[] args)
   {
      string connString = @"server = .\sqlexpress;integrated security = true;database = northwind";

      string qry = @"select * from employees where country = 'UK'";

      string ins = @"insert into employees(firstname,lastname,titleofcourtesy,city,country)
                                    values(@firstname,@lastname,@titleofcourtesy,@city,@country)";

      SqlConnection conn = new SqlConnection(connString);

      try
      {
         SqlDataAdapter da = new SqlDataAdapter();
         da.SelectCommand = new SqlCommand(qry, conn);

         DataSet ds = new DataSet();
         da.Fill(ds, "employees");

         DataTable dt = ds.Tables["employees"];

         DataRow newRow = dt.NewRow();
         newRow["firstname"] = "R";
         newRow["lastname"] = "B";
         newRow["titleofcourtesy"] = "Sir";
         newRow["city"] = "B";
         newRow["country"] = "UK";
         dt.Rows.Add(newRow);

         foreach (DataRow row in dt.Rows)
         {
            Console.WriteLine(
               "{0} {1} {2}",
               row["firstname"].ToString().PadRight(15),
               row["lastname"].ToString().PadLeft(25),
               row["city"]);
         }

         SqlCommand cmd = new SqlCommand(ins, conn);
         cmd.Parameters.Add("@firstname",SqlDbType.NVarChar, 10,"firstname");
         cmd.Parameters.Add("@lastname",SqlDbType.NVarChar,20,"lastname");
         cmd.Parameters.Add("@titleofcourtesy",SqlDbType.NVarChar,25,"titleofcourtesy");
         cmd.Parameters.Add("@city",SqlDbType.NVarChar,15,"city");
         cmd.Parameters.Add("@country",SqlDbType.NVarChar,15,"country");
         da.InsertCommand = cmd;
         da.Update(ds, "employees");
      }
      catch(Exception e)
      {
         Console.WriteLine("Error: " + e);
      }
      finally
      {
         conn.Close();
      }
   }
}
开发者ID:C#程序员,项目名称:System.Data.SqlClient,代码行数:64,代码来源:SqlDataAdapter.InsertCommand


注:本文中的System.Data.SqlClient.SqlDataAdapter.InsertCommand属性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。