protected void gridMain_NeedDataSource(object sender, GridNeedDataSourceEventArgs e)
{
int recSkip = gridMain.MasterTableView.CurrentPageIndex * gridMain.MasterTableView.PageSize;
int recTake = gridMain.MasterTableView.PageSize;
try {
OrdersController cont = new OrdersController();
gridMain.VirtualItemCount = cont.CountOrders(OrderTypeID);
gridMain.DataSource = cont.GetOrders(OrderTypeID, recSkip, recTake);
}
catch (Exception) { }
}