SqlCommand Constructor(String,SqlConnection,SqlTransaction)

In This Topic

Initializes a new instance of the SqlCommand class with the text of the query, a %% object, and the SqlTransaction.

Syntax

Visual Basic
C#

'Declaration
 
Public Function New( _
   ByVal commandText As String, _
   ByVal connection As SqlConnection, _
   ByVal transaction As SqlTransaction _
)

public SqlCommand( 
   string commandText,
   SqlConnection connection,
   SqlTransaction transaction
)

Parameters

commandText: The text of the query.
connection: A SqlConnection object that represents the connection to SQL Server.
transaction: SqlTransaction object used to perform transactions with this SqlCommand object.

Remarks

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

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 SqlCommand and sets some of its properties.

csharp

public void CreateCommand()
{
  SqlConnection myConnection = new SqlConnection(
      "User Id=sa;Server=localhost;Initial Catalog=Test;");
  myConnection.Open();
  SqlTransaction myTrans = myConnection.BeginTransaction();
  string mySelectQuery = "SELECT * FROM Test.Dept";
  SqlCommand myCommand = new SqlCommand(mySelectQuery, myConnection,myTrans);
  myCommand.FetchSize = 100
}

Visual Basic

Public Sub CreateCommand()
  Dim myConnection As New SqlConnection( _
    "User Id=sa;Server=localhost;Initial Catalog=Test;")
  myConnection.Open()
  Dim myTrans As SqlTransaction = myConnection.BeginTransaction()
  Dim mySelectQuery As String = _
    "SELECT * FROM Test.Dept"
  Dim myCommand As New SqlCommand(mySelectQuery, myConnection, myTrans)
  myCommand.FetchSize = 100
End Sub

Reference

SqlCommand Class
SqlCommand Members
Overload List
SqlDataReader Class
SqlConnection Class
SqlTransaction Class

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