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Zone: > NEWSGROUP > Asp.Net Forum > microsoft_downloads.css_friendly_control_adapters Tags:
Item Type: NewsGroup Date Entered: 7/12/2006 11:24:22 PM Date Modified: Subscribers: 0 Subscribe Alert
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madscene
Asp.Net User
Trying to Use Adapter To Modify ValidationSummary to use Span instead of Div7/12/2006 11:24:22 PM

0/0

Not sure this is the right forum for this, but I am trying to write a WebControlAdapter to simply have a ValidationSummary control render a Span tag instead of a Div tag as it's outer-most tag.  Inside my adapter I have:

        protected override void RenderBeginTag(HtmlTextWriter writer)
        {
            writer.RenderBeginTag(HtmlTextWriterTag.Span);
        }

        protected override void RenderEndTag(HtmlTextWriter writer)
        {
            writer.RenderEndTag();
        }

The problem is, none of the rest of the control renders at all, and it stops working entirely.  I just get the <span></span>

Shouldn't the objects Render() be called if I don't override it?  What am I missing?  How can I do this?

P.S.  The root problem I am trying to solve is the problem that when using a validation summary control inside an update panel with an ajax form, the page scrolls to the top when there are validation errors.  Based on I believe we can correct this with the right tweaks to the output html/javascript?
RobinBX
Asp.Net User
Re: Trying to Use Adapter To Modify ValidationSummary to use Span instead of Div1/16/2008 4:42:43 PM

0/0

If you are overriding, you should call the base method before apply modification.

 something like :

protected override void RenderBeginTag(HtmlTextWriter writer)
        {

            base.RenderBeginTag();
            writer.RenderBeginTag(HtmlTextWriterTag.Span);
        }

 

hope this help.
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