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Extreme ASP.NET: Asynchronous Web Parts

Posted By:      Posted Date: August 21, 2010    Points: 0   Category :ASP.Net

Building a customizable Web site complete with a collection of pluggable Web Parts is fairly easy with the portal infrastructure of ASP. NET 2. 0. This model is very flexible, allowing users to easily place your Web Parts anywhere on the Web page so they are free to customize your site.

Fritz Onion

MSDN Magazine July 2006

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A page in SharePoint is comprised of web parts the exist within zones. Web parts are available for just about everything. For example in the page below there are four web part highlighted by different colors. The purple web part displays a short list of the new announcements stored in the annoucements library. The pink web part displays events from a calendar within the site. The green web part displays an image from a location the user specifies. The gray web part displays a list of links from the links list on the site.

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Many call it the ASP.NET jQuery postback problem, but using the technique below should make it no problem anymore. $(document).ready() isn't called after an asynchronous postback. What this means? You lose the functionality that should be executed within $(document).ready() after an UpdatePanel rendered its contents after an asynchronous postback.

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The issue is that normally $(document).ready() is called when the DOM is ready to be manipulated. But this doens't happen after an ASP.NET Ajax asynch postback occurs.

This means that the initial jQuery bindings won't be automatically available after the asynchronous postback is over. I underline "automatically" here because my last post describes more possibilities, how this issue can be worked around.

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This article is written in the form of a step-by-step tutorial. It will give beginners a chance to successfully make, deploy, and try their first Web Parts, and will save some time for advanced users as you can always run into challenges when working with SharePoint.

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reference from menubuttons to text parts in article on the same page


Hi, I'm searching now for hours but couldn't find it.Cry

In my menu i have several buttons which (by a <a href..) should go the a part of an article that is in the same form.

Menu button : What is a database should go to the page default.aspx and in there is an article published.
A part of this article is having a piece of text about "what is a database"

Menu button: how to make a query should go to this same article in the same page but then to the part that is have the piece about the query. The next could be an example of what i'm doing:

    <li><a href="default.aspx ?????>what is a database</a></li>
    <li><a href="default.aspx ?????>what is a query</a></li>

Where my question marks are, there should be a connection to that particular piece of text.
In each article part there is an ID="text1" and the second part id="text2"

How shoudl i do that, Should i use a question mark.
Please give me some guidance how to structure the <li> statement or a pointer where I can read about it.


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