Web Forms :: Adding AnimationExtender Inside A Server Control?

May 6, 2010

so I avoid creating Server Controls like the plague, but I need one.

I have a Render method that creates a lot of divs. I use an animation extender to show and hide the divs within the server control.

But when adding the animation extender it tells me the control used for TargetControlID doesn't exist. How can I get the code for the animations to insert after the control has been rendered?

RenderContents method

[Code]....

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Exception Details: System.Web.HttpException: Control 'ctl00_TextBox1' of type 'TextBox' must be placed inside a form tag with runat=server.

Source Error:An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace: [HttpException (0x80004005): Control
'ctl00_TextBox1' of type 'TextBox'
must be placed inside a form tag with
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System.Web.UI.Page.VerifyRenderingInServerForm(Control
control) +2052287

Version Information: Microsoft .NET
Framework Version:2.0.50727.1873;
ASP.NET Version:2.0.50727.1433

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