or
GridViewMultiComboBoxColumn col = new GridViewMultiComboBoxColumn(); col.DataSource = mh.ToList(); col.DisplayMember = "ProductName"; col.ValueMember = "ProductId"; col.FieldName = "ProductId"; col.HeaderText = "Product Name"; col.DropDownStyle = Telerik.WinControls.RadDropDownStyle.DropDown; col.AutoCompleteMode = AutoCompleteMode.SuggestAppend;FilterDescriptor descriptor = new FilterDescriptor(col.DisplayMember, FilterOperator.StartsWith, string.Empty);col.FilterDescriptor = descriptor;


void _radGV_RowFormatting(object sender, RowFormattingEventArgs e){ e.RowElement.BorderBoxStyle = BorderBoxStyle.SingleBorder; e.RowElement.BorderGradientStyle = GradientStyles.Solid; if (e.RowElement.IsCurrent) { System.Drawing.Color c = System.Drawing.Color.LightBlue; e.RowElement.BackColor = c; e.RowElement.BackColor2 = c; e.RowElement.BackColor3 = c; e.RowElement.BackColor4 = c; e.RowElement.GradientStyle = GradientStyles.Solid; e.RowElement.BorderColor = c; e.RowElement.BorderColor2 = c; e.RowElement.BorderColor3 = c; e.RowElement.BorderColor4 = c;
}}