How to get a variable value from aspx(jquery) to its codebehind?

Question

I have a jQuery variable like

Default.aspx:
  $(function () {
    $("#divimgbtnGo").click(function () {

       var ServiceNo = $(".ddlService option:selected").val();

    });
});

Here I am getting value into ServiceNo. I want to use these value in my codebehind (Default.aspx.cs).

Can anyone please help?

All information in search is about getting codebehind to aspx. SO could not found any useful result and stuck here

The drop down list box is send their selection to code behind with out do anything else. Now if you with so manipulate the serviceNo value and send it on code behind, you need to add it to some other hidden input control. — Aristos
– Aristos, Commented Apr 17, 2013 at 11:48
@Aristos SO never mentioned that ddlService is a server side control .. — rahularyansharma
– rahularyansharma, Commented Apr 17, 2013 at 11:52
@rahularyansharma Did not matter if its server side control, its looks that is a drop down list, so its send their selection to code behind anyway. — Aristos
– Aristos, Commented Apr 17, 2013 at 11:56

Mohammad · Accepted Answer · 2016-10-17 03:18:54Z

1

Have a hidden feild in your aspx page then pass your variable value to that hidden field like this

$(function () {
    $("#divimgbtnGo").click(function () {
        $("#<%= yourhiddenfield.ClientID %>").val($(".ddlService option:selected").val());
    });
});

In your Code behind get the value of hidden field as yourhiddenfield.Value

edited Oct 17, 2016 at 3:18

Mohammad

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answered Apr 17, 2013 at 11:49

Dolo

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Comments

Tigran · Accepted Answer · 2013-04-17 11:49:29Z

0

You can use, for example, a Hidden field, so ASP.NET will take care of transfering that data to the server and mapping it to CLR datatype after.

answered Apr 17, 2013 at 11:49

Tigran

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2 Comments

þÍńķ Over a year ago

SO again do i need to assign these variable value to hidden filed and transer ??

Tigran Over a year ago

@Pink: sure, you need to set the value into the field, so when the field is trasmited the valie of it can be read.

mmpatel009 · Accepted Answer · 2013-04-17 11:51:09Z

0

You can take hidden field and set ServiceNo value to hiddenField and u can use hiddenfield in server side. add hidden field in Default.aspx page <asp:HiddenField ID="hdnServiceNo" runat="server" />

set hidden field value.

$(function () {
$("#divimgbtnGo").click(function () {

   var ServiceNo = $(".ddlService option:selected").val();
   $('#hdnServiceNo').val(ServiceNo );
});

});

answered Apr 17, 2013 at 11:51

mmpatel009

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