Connection Property (SqlDataTable)

In This Topic

Gets or sets the SqlConnection used to connect to the data source.

Syntax

Visual Basic
C#

'Declaration
 
Public Shadows Property Connection As SqlConnection

public new SqlConnection Connection {get; set;}

Property Value

A SqlConnection object which provides a connection to the data source.

Remarks

This property is used by DeleteCommand, InsertCommand, SelectCommand, and UpdateCommand, in case when these properties do not have own created connection.

This property supports the InterForm technology.

Example

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

csharp

public void UseDataTable(SqlConnection myConnection)
{
  SqlDataTable myDataTable = new SqlDataTable();
  myDataTable.Connection = myConnection;
  myDataTable.SelectCommand = new SqlCommand("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 myConnection As SqlConnection)
  Dim myDataTable As SqlDataTable = New SqlDataTable
  myDataTable.Connection = myConnection
  myDataTable.SelectCommand = New SqlCommand("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

SqlDataTable Class
SqlDataTable Members

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