How do I pass a value from JavaScript to C# using jQuery? [duplicate]

Question

I have a variable whose value I calculate in JavaScript. I want to pass that variable to C# to delete a record in the database. This is the code I'm using right now:

<div>
    <h4>Example 2</h4>
    <div class="indent">
        <p class="center"><img src="assets/ex2.jpg" /></p>
        <p class="right">
            <button onclick='
                $.msgbox("Are you sure that you want to permanently delete the selected element?",
                    {
                        type: "confirm",
                        buttons : [
                            {type: "submit", value: "Yes"},
                            {type: "submit", value: "No"},
                            {type: "cancel", value: "Cancel"}
                        ]
                    }, 
                    function(result) { 
                        $("#result2").text(result); 
                    } 
                );
            '>
                Example 2
            </button>
            <input id="inpHide" type="hidden" runat="server" />  
            <asp:Button ID="Button2" runat="server" Text="Button" onclick="Button2_Click" />
            Result: <span id="result2"></span>
    </div>

How do I pass the variable from JavaScript to C#?

This question depends a lot on your framework. If this is MVC, you might create a controller or Web API, then do a AJAX POST to it. If this is some other web tech, you may do a Web Service, Page Method, etc. — Christian Duvall
– Christian Duvall, Commented Jul 21, 2013 at 0:04

Miller · Accepted Answer · 2013-07-21 00:05:18Z

0

You can easily do this by using hidden field. Set the value of the hidden field through the jquery code and fetch the hidden field value through the server side code c#

answered Jul 21, 2013 at 0:05

Miller

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2 Comments

user2603193 Over a year ago

Is it possible to change my code or give an example please?

Meryovi Over a year ago

stackoverflow.com/questions/9516293/…

Ast Derek · Accepted Answer · 2014-01-08 06:24:57Z

0

you need to first change the button to the server side so you can add access server code like the one below:

< asp:Button ID="Button1" runat="server" Text="Button" onclick="Button1_Click" onClientClick="Your javascript code" />

you can add the javascript in onClientClick event
Add the value of the variable to hidden field.. adding
```
$("#inpHide").val(result); 
```

edited Jan 8, 2014 at 6:24

Ast Derek

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answered Jul 21, 2013 at 0:27

Miller

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3 Comments

Meryovi Over a year ago

And why exactly are you posting two different answers?

Miller Over a year ago

When giving answer it is not quite clean and clear in the comment with code

user2603193 Over a year ago

Thanks for the answer would have to replace $ ("# result2"). Text (result); than $ ("# inpHide"). Val (result); Use

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