or

(IQueryable<SomeModel>)theContext.SomeModel.Where(theDataFilter.FilterDescriptors);private void RadGrid1_PreRender(object sender, System.EventArgs e){ if (!IsPostBack) { foreach (GridItem item in RadGrid1.MasterTableView.Items) { if (item is GridEditableItem) { GridEditableItem editableItem = item as GridDataItem; editableItem.Edit = true; } } RadGrid1.Rebind(); }}