Asp.net update panel back button

Podcast Making Agile work for data science. Stack Gives Back Featured on Meta. New post summary designs on greatest hits now, everywhere else eventually. Linked 2. Related 1. Hot Network Questions. Question feed. Stack Overflow works best with JavaScript enabled. Accept all cookies Customize settings. The date was also switched off between clicks, as the date is visible in the bottom label.

Finally of interest is the bottom label's color: it was updated more recently than the label's text, which demonstrates that control state is important, and users expect it to be preserved through AJAX postbacks. However , the time was not updated. NET runtime when the control was being re-rendered on the server. NET AJAX server code does not recognize in which methods the controls are changing state; it simply repopulates from view state and then runs the events that are appropriate.

It supports being updated automatically by its child controls, but can also respond to control events elsewhere on the page. To reduce potential for server processing load, it is recommended that the ChildrenAsTriggers property of an UpdatePanel be set to false , and that events be opted-into rather than included by default.

This also prevents any unneeded events from causing potentially-unwanted effects, including validation, and changes to input fields. These types of bugs may be difficult to isolate, because the page updates transparently to the user, and the cause may therefore not be immediately obvious.

By examining the inner workings of the ASP. In doing so, it preserves maximum compatibility with controls designed using the same framework, and intrudes minimally on any additional JavaScript written for the page. Rob Paveza is a senior. NET application developer at Terralever www. He can be reached at robpaveza gmail. Scott can be contacted via email at scott. Previous Next. Skip to main content. This browser is no longer supported. Download Microsoft Edge More info. Contents Exit focus mode.

Understanding ASP. NET UpdatePanel. Here we discuss the introduction to ASP. NET UpdatePanel along with programming example.

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By closing this banner, scrolling this page, clicking a link or continuing to browse otherwise, you agree to our Privacy Policy. Free Software Development Course. It gives the ScriptManager the ability to manage history for us. In order to use it, you need to set EnableHistory as true. For details, please check the links below:.

The browser back button will just reload the original HTML. You can get around this by using nStuff's UpdateControls library, in particular the Navigate function.