Updatepanel hidden field not updating

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In general, you should only have Update Panels areound areas where you wish to do partial updates.Don't wrap your entire page within an Update Panel, and don't be afraid to use several panels, since this will give you more control of which areas update and when they do it.The Update Panel control is probably the most important control in the ASP. It will AJAX'ify controls contained within it, allowing partial rendering of the area.We already used it in the Hello world example, and in this chapter, we will go in depth with more aspects of the control.TIA MC MC- Googling "updatepanel" and "javascript" will come up with various solutions. Note: This will throw a fit because VS2005 and Orcas do not recognize this as a valid event for a Text Box (anyone know why or if that will change? Your Text Box control, the one you want to use to generate the on Key Up event, will call that Java Script function. Client ID as a parameter to your Java Script call to make it more reusable. Longnecker someone suggest how I would add a new trigger such that when the JS event onkeyup in a textbox the update Panel refreshes? This helps "tag" the panel to ensure you're updating the correct one. The on Key Up javascript event on your Text Box control. Header in codebehind), your Java Script will look something like: This Java Script will do a postback based on the Client Id of a hidden field we'll add here in a moment.Here's one I've picked apart from various blogs and forum posts that works for me. You can also tie this to any Java Script event, like on Click, to force a specified update. If not could someone sugest how I could onkepup in a Textbox, refresh the contents of a gridview/repeater control? Note: This will throw a fit because VS2005 and Orcas do not recognize this as a valid event for a Text Box (anyone know why or if that will change? Your Text Box control, the one you want to use to generate the on Key Up event, will call that Java Script function. Client ID as a parameter to your Java Script call to make it more reusable. Longnecker someone suggest how I would add a new trigger such that when the JS event onkeyup in a textbox the update Panel refreshes?The tag has two childtags - the Content Template and the Triggers tags.

Here is the piece of code that fixes most of the issues so far: What made the whole thing be still slow was the initialization of the page after the Update Panel updated. and this always returns "blahblah", that is, the initial value. I hate when I get 3 perfect answers, how do I know which one to check...All of this stuff is in an update panel, but it's in the SAME update panel, all within the same Content Template. But since ASP does output HTML to the browser, once it does that then you can access it with Javascript.So if you use a ASP hidden control you can set the value in your codebehind then you can access it with javascript from the HTML. Please can u help me in solving the same problem i'm facing. Does it make any difference Thanks and Regards Kris Its been 11 days since you have posted so you may have already solved your problem.

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