"lao.pan" <pmlpml@21cn.com> wrote in message
news:064801c3b64b$b0bf8610$a101280a@phx.gbl...
> I create a custom control with subcontrol.but in design-
> time, subcontrol contents are clear by VS when I change
> any attribute of the control.
> why?
> thank!
>
> the main code is:
> [
> ParseChildren(false),
> ControlBuilderAttribute(typeof(MyControlBuilder)),
> ]
> public class MyCS_CustomControl: System.Web.UI.Control,
> INamingContainer
> {
> private CellCollection _Items=new
> CellCollection();
>
> [
> Category("Data"),
> DefaultValue(null),
> MergableProperty(false),
> PersistenceMode
> (PersistenceMode.InnerDefaultProperty),
> ]
> public virtual CellCollection Items
> {
> get { return _Items; }
> }
> }
>
> CellCollection is inherit from CollectionBase,Item is a
> sample class
>
> the html tag is:
> <custom:mycs_customcontrol id="csTableId" title="C#
> Custom1 Control Table" runat="server" columns="2"
> rows="2">
> <CUSTEM:MYCELL Text="RED"
> BackColor="red" CellID="r1c1"></CUSTEM:MYCELL>
>
> </custom:mycs_customcontrol></form>
>
> at run-time all ok, but mycell clear in designtime when
> control-attr changed.
>
>