looping dataset without postback.

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One aspx page has 2 sections, left section has static content say images. On load of this page I populate all of the data related to this page from sqlserver into a dataset.

on click of image1 from dataset based on a condition data needs to be filtered and shown in the grid on right hand side of the page. This has to happen without postback.

conditions vary depend on image.

Eg: data
ID Name URL GROUP
1 A a.aspx 1
2 B b.aspx 1
3 C c.aspx 1
4 D d.aspx 2
5 E e.aspx 2

upon click of image 1 the grid should show A,B,C in grid
and D,E when image 2 is clicked.

The most important thing here is it should happen without postback.

Regards

Posted 14-Jul-10 3:05am

aakhan

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Sandeep Mewara 14-Jul-10 10:43am

What do you mean by without postback here? What about using Update Panel?

perilbrain 14-Jul-10 23:24pm

FIRST AND THE STRONGEST OPTION AJAX.NET
OTHERWISE USING SIMPLE JAVASCRIPT TRY,
"XMLHTTPREQUEST"

<code>function postdatain_background(var1,var2)
{
    oHttp = window.ActiveXObject ? new ActiveXObject("Microsoft.XMLHTTP") : new XMLHttpRequest();
    oHttp.open("GET","www.yourpage.com?arg1="+var1+"& arg2="+var2, false);
    oHttp.send();
    
}

var1 and var2 are javascript variables or the custom elements that you want to post back

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perilbrain · Answer 1 · 2010-07-14T17:22:00