DataView Web Part with SharePoint Designer 2010 with Ajax

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By  André Lage   On  02 Jun 2011 09:06:21
Tag : SharePoint , Development and Programming
This Article Will try to explain how to activate the options for Ajax DataView Web Parts.For this example i created a new clean. Aspx page where i add the custom Will Dataview.
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Introduction

This Article Will try to explain how to activate the options for Ajax DataView Web Parts.For this example i created a new clean. Aspx page where i add the custom Will Dataview. 

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After we create the page Can Access to page and select the Data View and select the List in the Display Form.

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After we add the List View, we can use the Web Part options to add Ajax Script asynchronous update, one refresh button and the time to refresh content of the ListView.

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After we select the options and watch the DIFFERENT We Will code iff the script manager and the async methods are updated.

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If you open form two side by side and add new item on right FWLRQ, if you wait 15 seconds will applaud the new item on the Left From using the Ajax Methods.

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The question we need to make is, What is happening on background? To analyze the behavior Fiddler open and after waiting 15 second Ajax fire load the page content, returning 6kb of content.Now imagine if you go for a coffee and let the page load EVERY 15 seconds in 60 seconds Will Be 24kb now imagine your content is 50kb for 60 seconds 200kb Will Be .... If You Have a company of 100 users and all are Accessing this page then the values ​​are more impressive, 20000KB per minute. 

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So Nothing is free and always Evaluate the impact of the ajax actions .

 
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André Lage
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