MySqlTransaction.Commit Method

MySQL Connector/Net

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MySqlTransactionCommit Method
Commits the database transaction.

Namespace: MySql.Data.MySqlClient
Assembly: MySql.Data (in MySql.Data.dll) Version: 6.9.9
Syntax
Copy
public override void Commit()
Public Overrides Sub Commit
public:
virtual void Commit() override
abstract Commit : unit -> unit 
override Commit : unit -> unit

Implements

IDbTransactionCommit
Remarks
The Commit method is equivalent to the MySQL SQL statement COMMIT.
Examples
The following example creates a MySqlConnection and a MySqlTransaction. It also demonstrates how to use the BeginTransaction, Commit, and Rollback methods.
Copy
public void RunSqlTransaction(string myConnString)
{
MySqlConnection myConnection = new MySqlConnection(myConnString);
myConnection.Open();

MySqlCommand myCommand = myConnection.CreateCommand();
MySqlTransaction myTrans;

// Start a local transaction
myTrans = myConnection.BeginTransaction();
// Must assign both transaction object and connection
// to Command object for a pending local transaction
myCommand.Connection = myConnection;
myCommand.Transaction = myTrans;

try
{
myCommand.CommandText = "Insert into mytable (id, desc) VALUES (100, 'Description')";
myCommand.ExecuteNonQuery();
myCommand.CommandText = "Insert into mytable (id, desc) VALUES (101, 'Description')";
myCommand.ExecuteNonQuery();
myTrans.Commit();
Console.WriteLine("Both records are written to database.");
}
catch(Exception e)
{
try
{
myTrans.Rollback();
}
catch (MySqlException ex)
{
if (myTrans.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.");
}
finally
{
myConnection.Close();
}
}
Public Sub RunSqlTransaction(myConnString As String)
Dim myConnection As New MySqlConnection(myConnString)
myConnection.Open()

Dim myCommand As MySqlCommand = myConnection.CreateCommand()
Dim myTrans As MySqlTransaction

' Start a local transaction
myTrans = myConnection.BeginTransaction()

' Must assign both transaction object and connection
' to Command object for a pending local transaction
myCommand.Connection = myConnection
myCommand.Transaction = myTrans

Try
myCommand.CommandText = "Insert into mytable (id, desc) VALUES (100, 'Description')"
myCommand.ExecuteNonQuery()
myCommand.CommandText = "Insert into mytable (id, desc) VALUES (101, 'Description')"
myCommand.ExecuteNonQuery()
myTrans.Commit()
Console.WriteLine("Success.")
Catch e As Exception
Try
myTrans.Rollback()
Catch ex As MySqlException
If Not myTrans.Connection Is Nothing Then
Console.WriteLine("An exception of type " & ex.GetType().ToString() & _
" was encountered while attempting to roll back the transaction.")
End If
End Try

Console.WriteLine("An exception of type " & e.GetType().ToString() & _
"was encountered while inserting the data.")
Console.WriteLine("Neither record was written to database.")
Finally
myConnection.Close()
End Try
End Sub

No code example is currently available or this language may not be supported.

No code example is currently available or this language may not be supported.

See Also
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