How to print a div in page and call codebehind with one ASP button

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I have an asp page contains a div and asp button
the button should print the div content and call code behind

the problem in my code is the way I use to print the div content. it changes the page code then print then return the page code back.
so it prints the div content and do NOT call BTNPrint_Click event.

how could I do that?

What I have tried:

this is a javascript code to print div content

<script language="javascript" type="text/javascript">
         function printDiv(divID) {
             //Get the HTML of div
             var divElements = document.getElementById(divID).innerHTML;
             //Get the HTML of whole page
             var oldPage = document.body.innerHTML;

             //Reset the page's HTML with div's HTML only
             document.body.innerHTML =
              "<html><head><title></title></head><body>" +
              divElements + "</body>";

             //Print Page
             window.print();

             //Restore orignal HTML
             document.body.innerHTML = oldPage;


         }
    </script>

this is the asp button

C#

<asp:Button ID="BTNPrint" runat="server"
           Text="Print" OnClientClick="javascript:printDiv('div1')" onclick="BTNPrint_Click" />

and here is the div

<div id="div1">
//some labels and gridview
</div>

Posted 30-Jul-17 9:16am

M. Daban

Updated 30-Jul-17 18:52pm

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SurangiTi · Accepted Answer · 2017-07-30T18:52:00

Solution 1

Refer below solution.
javascript - Print the contents of a DIV - Stack Overflow[^]

Posted 30-Jul-17 18:52pm

SurangiTi

Comments

M. Daban 31-Jul-17 6:42am

Thank you