How to access javascript function parameter value from code behind in asp.net

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Posted 21-Jul-14 1:43am

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Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ) 21-Jul-14 10:24am

Not clear. Can you elaborate more?

Member 10848796 21-Jul-14 12:11pm

I have a javascript function with parameter(passing textbox id in parameter) to show popup(showing WebDataGrid in popup) on mouseover of all Textboxes. I want to access "ID" of textbox where the cursor is focused so that WebDataGrid can be refreshed everytime.

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SteveyJDay · Answer 1 · 2014-07-21T05:08:00

Set the javascript parameter to a hidden field.
Access the hidden field from your code behind.

JavaScript:

JavaScript

<script>
function SendValueToCodeBehind(myValue){
     document.getElementById('hdnJavaScriptValue').value = myValue;
}
</script>

ASPX:

XML

<asp:hiddenfield id="hdnJavaScriptValue" runat="server" xmlns:asp="#unknown"></asp:hiddenfield>

Code Behind:

VB

Dim oJavaScriptValue as Object = hdnJavaScriptValue.Value

How to access javascript function parameter value from code behind in asp.net

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