PgSqlCommand Constructor(String,PgSqlConnection,PgSqlTransaction)

In This Topic

Initializes a new instance of the PgSqlCommand class with the text of the query, a %% object, and the PgSqlTransaction.

Syntax

Visual Basic
C#

'Declaration
 
Public Function New( _
   ByVal commandText As String, _
   ByVal connection As PgSqlConnection, _
   ByVal transaction As PgSqlTransaction _
)

public PgSqlCommand( 
   string commandText,
   PgSqlConnection connection,
   PgSqlTransaction transaction
)

Parameters

commandText: The text of the query.
connection: A PgSqlConnection object that represents the connection to PostgreSQL.
transaction: PgSqlTransaction object used to perform transactions with this PgSqlCommand object.

Remarks

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

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 PgSqlCommand and sets some of its properties.

csharp

public void CreateCommand()
{
  PgSqlConnection pgConnection = new PgSqlConnection(
      "host=server;database=test;user id=postgres;");
  pgConnection.Open();
  PgSqlTransaction myTrans = pgConnection.BeginTransaction();
  string mySelectQuery = "SELECT * FROM Test.Dept";
  PgSqlCommand pgCommand = new PgSqlCommand(mySelectQuery, pgConnection,myTrans);
  pgCommand.FetchSize = 100
}

Visual Basic

Public Sub CreateCommand()
  Dim pgConnection As New PgSqlConnection( _
    "host=server;database=test;user id=postgres;")
  pgConnection.Open()
  Dim myTrans As PgSqlTransaction = pgConnection.BeginTransaction()
  Dim mySelectQuery As String = _
    "SELECT * FROM Test.Dept"
  Dim pgCommand As New PgSqlCommand(mySelectQuery, pgConnection, myTrans)
  pgCommand.FetchSize = 100
End Sub

Reference

PgSqlCommand Class
PgSqlCommand Members
Overload List
PgSqlDataReader Class
PgSqlConnection Class
PgSqlTransaction Class

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