"jean-pierre.ri***@bewise.fr" wrote:

> Hi,
>
> With ASP.NET 2.0 (I don't remember about a such problem in 1.1),
> GridView control has a strange rendering rule. When dataview is empty
> (no data or data fitered), GridView control ONLY renders
> <EmptyDataTemplate> (or  EmptyDataText property). It is impossible to
> render columns headers (and filter controls created with it for
> example).
> Using Reflector, we can see that logic in CreateChildControls :
> ------
> case 0: //number of row in DataView
>   if ((this.EmptyDataTemplate != null) || (this.EmptyDataText.Length >
> 0))
>   {
>     this.CreateRow(-1, -1, DataControlRowType.EmptyDataRow,
> DataControlRowState.Normal, dataBinding, null, fieldArray1,
> collection4, null);
>   }
>
>   else
>   {
>     this.Controls.Clear();
>   }
>   this._storedDataValid = false;
>   this._firstDataRow = null;
>   return 0;
> --------
> Nothing is rendered except an "empty" row.
>
> I found some workarounds on Internet (many guys have the same problem)
> but none of them satisfy me. They are :
>   -Create an empty data row in DataSource (possible mistake between
> real data and fake data in all layers)
>   -Manually render Headers on RowCreated event (use of protected
> CreateRow method or duplicate some Framework code)
>
> My questions are :
>   -Is MS aware about that "problem" ?
>   -Which workaround is recommanded by MS ?
>   -Will it be fixed in next Service Pack ? (and when)
>
>
> Jean-Pierre Riehl
> Bewise (http://www.bewise.fr)
> Ingénieur Consultant
>
>