How Would I Open Multiple Browser Tab On Button Click?

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I am trying to open open multiple browser tab but it is blocked by browser.
please help me to solve this problem.

C#

for (int i = 0; i < rptrsearchschool.Items.Count; i++)
{
  CheckBox chk = (CheckBox)rptrsearchschool.Items[i].FindControl("chkList");
    if (chk.Checked)
    {
      int i1 = Convert.ToInt32(chk.Attributes["Text"].ToString());
      string url = "MYPage.aspx?UserID=" + i1;
     Response.Write( "<script> window.open( '"+url+"','_blank' ); </script>");
     }
}

Posted 12-Nov-14 1:31am

MAK09

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ZurdoDev 12-Nov-14 8:06am

If the browser is blocking them, I'm not sure what else you can do.

1 solution

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Kornfeld Eliyahu Peter · Answer 1 · 2014-11-12T01:37:00

Opening new window/tab in such way is identified by all modern browsers as popup! The reason is that the origin of the open command is not a click on a link but some JavaScript function.
To allow or block such popup is up to the end user and can be configured from the browser settings but can not bypassed from code...
The only way is to do it is to open the new windows from the client directly from the click event of the button...

HTML

<!DOCTYPE html>
<html>
<head>
    <title></title>
</head>
<body>
    <input id="Button1" type="button" value="button" onclick="multiopen()" />

    <script type="text/javascript">
        function multiopen() {
            window.open('url1', '_blank');
            window.open('url2', '_blank');
            window.open('url3', '_blank');
        }
    </script>
</body>
</html>