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Devart.Common Namespace / DbDataTable Class / Connection Property
Example

In This Topic
    Connection Property (DbDataTable)
    In This Topic
    Gets or sets the System.Data.IDbConnection used to connect to the data source.
    Syntax
    'Declaration
     
    Public Property Connection As DbConnection
    public DbConnection Connection {get; set;}

    Property Value

    An System.Data.IDbConnection 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.
    Example
    This sample shows how to use DbDataTable. The routine accepts DbTable-compatible object, IDbCommand implementor object, and IDbConnection implementor object as parameters. After SQL query text has been set the data is retrieved from the table.
    public void UseDataTable(DbDataTable myDataTable, DbCommand myCommand, DbConnection myConnection)
    {
      myDataTable.Connection = myConnection;
      myCommand.CommandText = "SELECT * FROM Dept";
      myDataTable.SelectCommand = myCommand;
      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;
      }
    }
    Public Sub UseDataTable(ByVal myDataTable As DbDataTable, ByVal myCommand As DbCommand, ByVal myConnection As DbConnection)
      myDataTable.Connection = myConnection
      myCommand.CommandText = "SELECT * FROM Dept"
      myDataTable.SelectCommand = myCommand
      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

    See Also