MySqlCommand Constructor(String,MySqlConnection,MySqlTransaction)

In This Topic

Initializes a new instance of the MySqlCommand class with the text of the query, a %% object, and the MySqlTransaction.

Syntax

Visual Basic
C#

'Declaration
 
Public Function New( _
   ByVal commandText As String, _
   ByVal connection As MySqlConnection, _
   ByVal transaction As MySqlTransaction _
)

public MySqlCommand( 
   string commandText,
   MySqlConnection connection,
   MySqlTransaction transaction
)

Parameters

commandText: The text of the query.
connection: A MySqlConnection object that represents the connection to MySQL.
transaction: MySqlTransaction object used to perform transactions with this MySqlCommand object.

Remarks

The following table shows initial property values for an instance of this implementation of the MySqlCommand.

Properties	Initial value
CommandText	commandText
CommandTimeout	30
CommandType	System.Data.CommandType.Text
Connection	connection

You can change the value for any of these parameters by setting the related property.

Example

The following example creates a MySqlCommand and sets some of its properties.

csharp

public void CreateCommand()
{
  MySqlConnection myConnection = new MySqlConnection(
      "User Id=root;Host=localhost;Database=Test;");
  myConnection.Open();
  MySqlTransaction myTrans = myConnection.BeginTransaction();
  string mySelectQuery = "SELECT * FROM Test.Dept";
  MySqlCommand myCommand = new MySqlCommand(mySelectQuery, myConnection,myTrans);
  myCommand.FetchSize = 100
}

Visual Basic

Public Sub CreateCommand()
  Dim myConnection As New MySqlConnection( _
    "User Id=root;Host=localhost;Database=Test;")
  myConnection.Open()
  Dim myTrans As MySqlTransaction = myConnection.BeginTransaction()
  Dim mySelectQuery As String = _
    "SELECT * FROM Test.Dept"
  Dim myCommand As New MySqlCommand(mySelectQuery, myConnection, myTrans)
  myCommand.FetchSize = 100
End Sub

Requirements

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

Reference

MySqlCommand Class
MySqlCommand Members
Overload List
MySqlDataReader Class
MySqlConnection Class
MySqlTransaction Class

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