Passing 3 textbox values to a javascript function from ASPX

Question

I want to pass three textbox values to a javascript function. However its not working.Any help is really appreciated.This is what I have tried.

<asp:ImageButton ID="ibut_cheque2" runat="server" target="_blank"
OnClientClick='<%# string.Format("window.open(\"Product.aspx?pid=\" +
document.getElementById(\"{0}\").value & chdate=\" + 
document.getElementById(\"{1}\").value & pname=\" + 
document.getElementById(\"{2}\").value, 
null,\"scrollbars=yes,top=10,left=10\", \"true\");", 
Form.FindControl("txt_voucher").ClientID,
Form.FindControl("txtbox_chqdate").ClientID,
Form.FindControl("txtbox_chprovider").ClientID)%>'
AlternateText="Print" CssClass="btn5" ForeColor="White" ToolTip="Print Cheque" />

Actually I need to pass these 3 textbox values to another page.And capture these values into a variable in the other page. — Ann Sara
– Ann Sara, Commented Nov 16, 2017 at 5:08
instead of using javascript function you can use Session to store value from one page and retrive those value in another page like this:stackoverflow.com/questions/47277535/… — Pankaj Toshniwal
– Pankaj Toshniwal, Commented Nov 16, 2017 at 6:31
There are a few ways to do this better ... Could be via SessionState or PreviousPage property ... And in my opinion you'd better do this in .cs and not in .aspx — Eduardo Carísio
– Eduardo Carísio, Commented Nov 17, 2017 at 12:02

Dinkar Veer · Accepted Answer · 2018-02-16 13:29:05Z

1

On first Page Button click code

<script>
var value1="value1";
var value2="value2";
var queryString = "?para1=" + value1 + "&para2=" + value2;
window.location.href = "page2.html" + queryString;
</script>

On Second Page

<script>

var queryString = decodeURIComponent(window.location.search);
queryString = queryString.substring(1);
var queries = queryString.split("&");
for (var i = 0; i < queries.length; i++)
{
  document.write(queries[i] + "<br>");
}

</script>

Hope this will help you

edited Feb 16, 2018 at 13:29

answered Nov 16, 2017 at 5:24

Dinkar Veer

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Ann Sara · Accepted Answer · 2017-11-17 11:47:47Z

     <asp:Button ID="PrintCheck" runat="server" target="_blank" 
     OnClientClick='openWindow()'   Text="Print Cheque" CssClass="btn5" 
     ForeColor="White" Width="120px" ToolTip="Print Cheque" />

     <script type="text/javascript">
     function openWindow() {
     var payname = document.getElementById('<%=txtbox_chprovider.ClientID 
      %>').value;
      var chdate = document.getElementById('<%=txtbox_chqdate.ClientID 
      %>').value;
      var chamount = document.getElementById('<%=txt_chamount.ClientID 
      %>').value;
    window.open("Product.aspx?payname=" + payname + "&chdate= " + chdate + " 
    &chamount= " + chamount + "", "_blank", 
    "toolbar=yes,scrollbars=yes,top=10,left=10", "true");
          };
</script>

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