Contents tagged with UpdatePanel
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ScriptManager's EnablePartialRendering and SupportsPartialRendering properties
In ASP.NET AJAX's ScriptManager control there are two properties that seem quite similar, but are in fact very different:
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Why don't file uploads work during async postbacks?
As many people have noticed in their AJAX-enabled pages, file uploads do not work when doing an async postback. To my knowledge there's no way to support this scenario due to the browser's security restrictions. To understand why the upload doesn't work it's important to understand how async postbacks are performed and how that's different from how the browser performs a regular postback.
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Sys.WebForms.PageRequestManagerParserErrorException - what it is and how to avoid it
If you've used the Microsoft ASP.NET AJAX UpdatePanel control, there's a good chance you've hit the "Sys.WebForms.PageRequestManagerParserErrorException" error.
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Suggestion Box
It's so hard to come up with blog topics that I've decided to outsource the whole idea creation operation. What topics do you want to hear about? As with most people, I prefer talking about my own area of expertise and not just random ramblings. Here are the general topics I'm familiar with:
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Customizing the rendering of the UpdatePanel
Over the past few months I've received some feedback that there need to be more ways to customize the rendering of the UpdatePanel control. The response I gave was that we felt that using <div> and <span> would cover by far most scenarios. The one thing I would have loved to add to UpdatePanel is at least a CssClass property, but there are some workarounds to it, so we ended up not adding it.
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HOWTO: Write controls compatible with UpdatePanel without linking to the ASP.NET AJAX DLL
This is another repost from a post I made to the ASP.NET Forums:
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What's up with UpdatePanels and how come nothing works? Or: A brief explanation of how UpdatePanel works by the guy who wrote the feature. (Long!)
This is a repost from a post I made to the ASP.NET Forums: