"Giovanni" wrote:

> I have been stumped by this problem for the past 2 days:
>
>      Assuming I have a GridView contained within a UserControl.  The grid
> contains 3 columns (Column 1: QuestionNumber, Column 2: QuestionText, and
> Column 3: TemplateField).  In the third column (the TemplateField), I have a
> dragged-and-dropped a UserControl (QuestionTypeUserControl).  The
> QuestionTypeUserControl has an Integer property: QuestionTypeID, and itself
> is empty (contains no controls).  On the GridView's RowDataBound event, I
> pass a DataKey value to QuestionTypeUserControl.QuestionTypeID.  This is
> where the problem is:
>
>      I have built several other UserControls which resemble server controls,
> but have additional functionality (Ex.:  DropDownListExUserControl,
> TextBoxExUserControl have an additional label, etc...).  Depending on the
> value of QuestionTypeID, the QuestionType UserControl (thusfar empty), would
> decide which child UserControl(s) to add to itself.  In essence, the Parent
> (QuestionTypeUserControl), determines which children it will add to itself,
> based on a value (QuestionTypeID).
>
>      1.  What is the best approach to accomplish this.  Must I use the
> .LoadControl in the parent (QuestionTypeUserControl)? and which event is best
> to do this?
>
>      2.  What considerations must I take to compensate for ASP.NET 2.0's
> dynamic compilation model, both in the parent and child UserControls.
>
>      I guess in the end, it is a 3 layer-nested UserControl (GridView
> contains a UserControl type TemplateField, which itself contains any number
> of UserControls).
>
>      Thank you for all your help and ideas.
>
>      Regards,
>
>           Giovanni P.

"yoga weazel" wrote:

> Q1.  If I follow you correctly I would recommend using LoadControl in the
> PreRender event.
>
> Q2. The only thing I can think of off hand is registering the child controls
> in the parent.  This won't be a problem if you have a pre-defined list of
> child control types.
>
>
>
> "Giovanni" wrote:
>
> > I have been stumped by this problem for the past 2 days:
> >
> >      Assuming I have a GridView contained within a UserControl.  The grid
> > contains 3 columns (Column 1: QuestionNumber, Column 2: QuestionText, and
> > Column 3: TemplateField).  In the third column (the TemplateField), I have a
> > dragged-and-dropped a UserControl (QuestionTypeUserControl).  The
> > QuestionTypeUserControl has an Integer property: QuestionTypeID, and itself
> > is empty (contains no controls).  On the GridView's RowDataBound event, I
> > pass a DataKey value to QuestionTypeUserControl.QuestionTypeID.  This is
> > where the problem is:
> >
> >      I have built several other UserControls which resemble server controls,
> > but have additional functionality (Ex.:  DropDownListExUserControl,
> > TextBoxExUserControl have an additional label, etc...).  Depending on the
> > value of QuestionTypeID, the QuestionType UserControl (thusfar empty), would
> > decide which child UserControl(s) to add to itself.  In essence, the Parent
> > (QuestionTypeUserControl), determines which children it will add to itself,
> > based on a value (QuestionTypeID).
> >
> >      1.  What is the best approach to accomplish this.  Must I use the
> > .LoadControl in the parent (QuestionTypeUserControl)? and which event is best
> > to do this?
> >
> >      2.  What considerations must I take to compensate for ASP.NET 2.0's
> > dynamic compilation model, both in the parent and child UserControls.
> >
> >      I guess in the end, it is a 3 layer-nested UserControl (GridView
> > contains a UserControl type TemplateField, which itself contains any number
> > of UserControls).
> >
> >      Thank you for all your help and ideas.
> >
> >      Regards,
> >
> >           Giovanni P.