' Establish the Relationship "RelKdDetails" 
        ' between tblKunde ---< tblDetails
        Dim relKdDetails As System.Data.DataRelation
        Dim colMaster1 As System.Data.DataColumn
        Dim colDetail1 As System.Data.DataColumn
        colMaster1 = ds.Tables("tblKunde").Columns("KundeID")
        colDetail1 = ds.Tables("tblDetails").Columns("KundeID")
        relKdDetails = New System.Data.DataRelation("RelKdDetails", colMaster1, _
          colDetail1)
        ds.Relations.Add(relKdDetails)
 
 
 
        dsView = ds.DefaultViewManager
 
        ' Databinding for the Grid's 
        grdDetails.DataSource = dsView
        grdDetails.DataMember = "tblKunde.RelKdDetails"