SelectCommand Property (PgSqlDataTable)

In This Topic

Gets or sets a PostgreSQL statement used to select records in the data source.

Syntax

Visual Basic
C#

'Declaration
 
Public Shadows Property SelectCommand As PgSqlCommand

public new PgSqlCommand SelectCommand {get; set;}

Property Value

A PgSqlCommand that is used during a fill operation to select records from the data source for placement in the System.Data.DataSet.

Remarks

SelectCommand uses its own Connection if it is created. Otherwise SelectCommand uses Connection.

This property supports the InterForm technology.

Example

This sample shows how to create a PgSqlDataTable and retrieve data from a table.

csharp

public void UseDataTable(PgSqlConnection pgConnection)
{
  PgSqlDataTable myDataTable = new PgSqlDataTable();
  myDataTable.Connection = pgConnection;
  myDataTable.SelectCommand = new PgSqlCommand("SELECT * FROM Test.Dept");
  try
  {
    myDataTable.Active = true;
    foreach(DataRow myRow in myDataTable.Rows)
    {
      foreach(DataColumn myCol in myDataTable.Columns)
      {
        Console.Write(myRow[myCol]+"\t");
      }
      Console.WriteLine();
    }
  }
  finally
  {
    myDataTable.Active = false;
  }
}

Visual Basic

Public Sub UseDataTable(ByVal pgConnection As PgSqlConnection)
  Dim myDataTable As PgSqlDataTable = New PgSqlDataTable
  myDataTable.Connection = pgConnection
  myDataTable.SelectCommand = New PgSqlCommand("SELECT * FROM Test.Dept")
  Try
    myDataTable.Active = True
    Dim myRow As DataRow
    Dim myCol As DataColumn
    For Each myRow In myDataTable.Rows
      For Each myCol In myDataTable.Columns
        Console.Write(myRow(myCol) & Chr(9))
      Next myCol
      Console.WriteLine()
    Next myRow
  Finally
    myDataTable.Active = False
  End Try
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

PgSqlDataTable Class
PgSqlDataTable Members
DeleteCommand Property
InsertCommand Property
UpdateCommand Property

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