Close() Method

In This Topic

Disconnects DbDataTable from the data source and frees server resources allocated for the query.

Syntax

Visual Basic
C#

'Declaration
 
Public Sub Close()

public void Close()

Remarks

This method does not clear the data. To close the DbDataTable and free resources use the Clear method.

Example

The following example demonstrates how to use the Close() method.

csharp

static void UseDataTable(DbDataTable myDataTable, DbCommand myCommand)
{
  myCommand.CommandText = "SELECT * FROM Dept";
  myDataTable.SelectCommand = myCommand;
  try
  {
    myDataTable.Open();
    foreach(DataRow myRow in myDataTable.Rows)
    {
      foreach(DataColumn myCol in myDataTable.Columns)
      {
        Console.Write(myRow[myCol]+"\t");
      }
      Console.WriteLine();
    }
  }
  finally
  {
    myDataTable.Close();
  }
}

Visual Basic

Public Sub UseDataTable(ByVal myDataTable As DbDataTable, ByVal myCommand As DbCommand)
  myCommand.CommandText = "SELECT * FROM Dept"
  myDataTable.SelectCommand = myCommand
  Try
    myDataTable.Open()
    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.Close()
  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

DbDataTable Class
DbDataTable Members
Active Property
Open Method

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