"Nathan Sokalski" wrote:

> When I view my index.aspx page any time after the first time, I recieve the
> following error:
>
> [HttpException (0x80004005): Multiple controls with the same ID
> 'TitleBanner:_ctl0' were found. Trace requires that controls have unique
> IDs.]
> System.Web.TraceContext.AddNewControl(String id, String parentId, String
> type, Int32 viewStateSize) +313
> System.Web.UI.Control.BuildProfileTree(String parentId, Boolean
> calcViewState) +201
> System.Web.UI.Control.BuildProfileTree(String parentId, Boolean
> calcViewState) +263
> System.Web.UI.Control.BuildProfileTree(String parentId, Boolean
> calcViewState) +263
> System.Web.UI.Control.BuildProfileTree(String parentId, Boolean
> calcViewState) +263
> System.Web.UI.Page.ProcessRequestMain() +1633
>
> TitleBanner is a user control on my page. Because I do not recieve this
> error the very first time I view the page after compiling it, ASP.NET is
> obviously remembering the control after I view the page the first time. I
> find this error strange because _ctl0 is an automatically generated name, so
> how can there be two controls with that name? I also find it strange that
> the error only seems to occur on my index.aspx page, even though the control
> is used in exactly the same way (same parameters and properties) on another
> page in the same directory, and it does not give me an error there even when
> I view it multiple times. Why might this be happening, and what might I be
> able to do to fix it? Thanks.
> --
> Nathan Sokalski
> njsokalski@hotmail.com
> http://www.nathansokalski.com/
>
>