Register the component libraries

<%@ Register TagPrefix="DNL" Assembly="DbNetLink.DbNetSuiteVS" Namespace="DbNetLink.DbNetSuiteVS" %>

Server Control

    Boolean display type
    <asp:DropDownList ID="BooleanType" runat="server" AutoPostBack="True">
        <asp:ListItem Value="YesNo" />
        <asp:ListItem Value="Checkbox" />
        <asp:ListItem Value="TrueFalse" />
    </asp:DropDownList>
    
    <DNL:DbNetGrid 
        ID="DbNetGrid1" 
        runat="server" 
        ConnectionString="SamplesDatabase" 
        FromPart="Products" >
        <Columns>
            <DNL:GridColumn ColumnExpression="ProductName" />
            <DNL:GridColumn ColumnExpression="UnitPrice" />
            <DNL:GridColumn ColumnExpression="UnitsInStock" />
            <DNL:GridColumn ColumnExpression="Discontinued" BooleanDisplayMode="YesNo" />
        </Columns>
    </DNL:DbNetGrid>

Server-side script

///////////////////////////////////////////////////////////////
protected override void OnLoad(EventArgs e)
///////////////////////////////////////////////////////////////
{
	base.OnLoad(e);
    
	GridColumn GC = (GridColumn) DbNetGrid1.FindColumn("Discontinued");
	GC.BooleanDisplayMode = (GridColumn.BooleanDisplayModeValues) Enum.Parse(typeof(GridColumn.BooleanDisplayModeValues), BooleanType.SelectedValue, true);
}