Private Function ConvertSortDirectionToSql(ByVal sortDirection As SortDirection) As String Dim newSortDirection As String = String.Empty Select Case SortDirection Case SortDirection.Ascending newSortDirection = "ASC" Case SortDirection.Descending newSortDirection = "DESC" End Select Return newSortDirection End Function Protected Sub grdEmp_Sorting(sender As Object, e As GridViewSortEventArgs) Handles grdEmp.Sorting Dim dataTable As DataTable = TryCast(grdEmp.DataSource, DataTable) If Not dataTable Is Nothing Then MsgBox("Not Empty") Dim dataView As DataView = New DataView(dataTable) dataView.Sort = e.SortExpression & " " & ConvertSortDirectionToSql(e.SortDirection) grdEmp.DataSource = dataView grdEmp.DataBind() ElseIf dataTable Is Nothing Then MsgBox("Empty") End If
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