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C# SqlConnection.BeginTransaction方法代碼示例

本文整理匯總了C#中System.Data.SqlClient.SqlConnection.BeginTransaction方法的典型用法代碼示例。如果您正苦於以下問題:C# SqlConnection.BeginTransaction方法的具體用法?C# SqlConnection.BeginTransaction怎麽用?C# SqlConnection.BeginTransaction使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在System.Data.SqlClient.SqlConnection的用法示例。


在下文中一共展示了SqlConnection.BeginTransaction方法的4個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的C#代碼示例。

示例1: ExecuteSqlTransaction

private static void ExecuteSqlTransaction(string connectionString)
{
    using (SqlConnection connection = new SqlConnection(connectionString))
    {
        connection.Open();

        SqlCommand command = connection.CreateCommand();
        SqlTransaction transaction;

        // Start a local transaction.
        transaction = connection.BeginTransaction("SampleTransaction");

        // Must assign both transaction object and connection
        // to Command object for a pending local transaction
        command.Connection = connection;
        command.Transaction = transaction;

        try
        {
            command.CommandText =
                "Insert into Region (RegionID, RegionDescription) VALUES (100, 'Description')";
            command.ExecuteNonQuery();
            command.CommandText =
                "Insert into Region (RegionID, RegionDescription) VALUES (101, 'Description')";
            command.ExecuteNonQuery();

            // Attempt to commit the transaction.
            transaction.Commit();
            Console.WriteLine("Both records are written to database.");
        }
        catch (Exception ex)
        {
            Console.WriteLine("Commit Exception Type: {0}", ex.GetType());
            Console.WriteLine("  Message: {0}", ex.Message);

            // Attempt to roll back the transaction.
            try
            {
                transaction.Rollback();
            }
            catch (Exception ex2)
            {
                // This catch block will handle any errors that may have occurred
                // on the server that would cause the rollback to fail, such as
                // a closed connection.
                Console.WriteLine("Rollback Exception Type: {0}", ex2.GetType());
                Console.WriteLine("  Message: {0}", ex2.Message);
            }
        }
    }
}
開發者ID:.NET開發者,項目名稱:System.Data.SqlClient,代碼行數:51,代碼來源:SqlConnection.BeginTransaction

示例2: ExecuteSqlTransaction

private static void ExecuteSqlTransaction(string connectionString)
{
    using (SqlConnection connection = new SqlConnection(connectionString))
    {
        connection.Open();

        SqlCommand command = connection.CreateCommand();
        SqlTransaction transaction;

        // Start a local transaction.
        transaction = connection.BeginTransaction(IsolationLevel.ReadCommitted);

        // Must assign both transaction object and connection
        // to Command object for a pending local transaction
        command.Connection = connection;
        command.Transaction = transaction;

        try
        {
            command.CommandText =
                "Insert into Region (RegionID, RegionDescription) VALUES (100, 'Description')";
            command.ExecuteNonQuery();
            command.CommandText =
                "Insert into Region (RegionID, RegionDescription) VALUES (101, 'Description')";
            command.ExecuteNonQuery();
            transaction.Commit();
            Console.WriteLine("Both records are written to database.");
        }
        catch (Exception e)
        {
            try
            {
                transaction.Rollback();
            }
            catch (SqlException ex)
            {
                if (transaction.Connection != null)
                {
                    Console.WriteLine("An exception of type " + ex.GetType() +
                        " was encountered while attempting to roll back the transaction.");
                }
            }

            Console.WriteLine("An exception of type " + e.GetType() +
                " was encountered while inserting the data.");
            Console.WriteLine("Neither record was written to database.");
        }
    }
}
開發者ID:.NET開發者,項目名稱:System.Data.SqlClient,代碼行數:49,代碼來源:SqlConnection.BeginTransaction

示例3: ExecuteSqlTransaction

private static void ExecuteSqlTransaction(string connectionString)
{
    using (SqlConnection connection = new SqlConnection(connectionString))
    {
        connection.Open();

        SqlCommand command = connection.CreateCommand();
        SqlTransaction transaction;

        // Start a local transaction.
        transaction = connection.BeginTransaction(
            IsolationLevel.ReadCommitted, "SampleTransaction");

        // Must assign both transaction object and connection
        // to Command object for a pending local transaction.
        command.Connection = connection;
        command.Transaction = transaction;

        try
        {
            command.CommandText =
                "Insert into Region (RegionID, RegionDescription) VALUES (100, 'Description')";
            command.ExecuteNonQuery();
            command.CommandText =
                "Insert into Region (RegionID, RegionDescription) VALUES (101, 'Description')";
            command.ExecuteNonQuery();
            transaction.Commit();
            Console.WriteLine("Both records are written to database.");
        }
        catch (Exception e)
        {
            try
            {
                transaction.Rollback();
            }
            catch (SqlException ex)
            {
                if (transaction.Connection != null)
                {
                    Console.WriteLine("An exception of type " + ex.GetType() +
                        " was encountered while attempting to roll back the transaction.");
                }
            }

            Console.WriteLine("An exception of type " + e.GetType() +
                " was encountered while inserting the data.");
            Console.WriteLine("Neither record was written to database.");
        }
    }
}
開發者ID:.NET開發者,項目名稱:System.Data.SqlClient,代碼行數:50,代碼來源:SqlConnection.BeginTransaction

示例4: SqlConnection.BeginTransaction()

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

class ExecuteTransaction
{
  public static void Main()
  {
    SqlConnection mySqlConnection =new SqlConnection("server=(local)\\SQLEXPRESS;database=MyDatabase;Integrated Security=SSPI;");

    mySqlConnection.Open();

    SqlTransaction mySqlTransaction = mySqlConnection.BeginTransaction();

    SqlCommand mySqlCommand = mySqlConnection.CreateCommand();

    mySqlCommand.Transaction = mySqlTransaction;

    mySqlCommand.CommandText =
      "INSERT INTO Employee (" +
      "  ID, FirstName" +
      ") VALUES (" +
      "  10, 'Jason'" +
      ")";

    Console.WriteLine("Running first INSERT statement");
    mySqlCommand.ExecuteNonQuery();

    mySqlCommand.CommandText =
      "INSERT INTO Employee (" +
      "  ID, FirstName" +
      ") VALUES (" +
      "  11, 'Jason'" +
      ")";

    Console.WriteLine("Running second INSERT statement");
    mySqlCommand.ExecuteNonQuery();

    Console.WriteLine("Committing transaction");
    mySqlTransaction.Commit();

    mySqlConnection.Close();
  }
}
開發者ID:C#程序員,項目名稱:System.Data.SqlClient,代碼行數:45,代碼來源:SqlConnection.BeginTransaction


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