call function in .aspx.cs from .aspx

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hi...

i want to call function which is in .aspx.cs page from .aspx. and at the i need to reflect th text i entered in text box to .cs page.
i tried some code but it doesn't work out...

<asp:TextBox ID="TextBox1" runat="server"   onkeyup="<%=CheckCharCounter(this))%>" />

in .cs page

C#

public void CheckCharCounter(string text)
   {

   }

how can i call function?

thanks in advance...

Posted 20-Jan-13 20:05pm

07405

Updated 13-Oct-22 0:58am

Rahul Rajat Singh

v3

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Rahul Rajat Singh · Answer 1 · 2013-01-20T22:30:00

If this server side function is just a helper function and does not refer to any controls inside i.e. you can afford to make it static then you can call is asynchronously from javascript. Here is the article that shows how it can be done.

AJAX for Beginners (Part 3) - Calling Server Side Methods and Consuming Web Services from JavaScript in an ASP.NET website[^]

Vishal.Shimpi144 · Answer 2 · 2013-01-21T00:45:00

You can achieve it by using JQuery, following is some sample code to call code behind method using jquery script

XML

<script type="text/javascript">
        $(function () {
            debugger;
            $.ajax({
                type: 'POST',
                url: 'Default.aspx/YourMethodName;,
                data: "{'args':'test'}",
                contentType: "application/json; charset=utf-8",
                dataType: "json",
                success: function (msg) {
                    //give alert if u want for success
                }
                Error:function(msg){
                    //give alert if ur functuion got some error
                }
            });
        });
    </script>

and your method is aspx.cs look like

using System.Web.Services; //add this namespace in your aspx.cs file

[WebMethod]
 public static ArrayList YourMethodName(string args)
 {
          // code here
 }</pre>

Nandakishore G N · Answer 3 · 2013-01-20T20:14:00

Solution 1

you can view this link it may help you..

http://stackoverflow.com/questions/3713/call-asp-net-function-from-javascript[^]

Posted 20-Jan-13 20:14pm

Nandakishore G N

Rocky New · Answer 4 · 2022-10-13T00:58:00

Solution 4

it is getting error of uncaught reference in ajax call

Posted 13-Oct-22 0:58am

Rocky New

Comments

Richard Deeming 13-Oct-22 7:29am

Your comment is not a solution to this question.

Rocky New 2-Nov-22 2:22am

it giving an exception , that i was telling , and i waiting for someone to give me a solution

call function in .aspx.cs from .aspx

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