code behond function calling using JQuery but page is refreshing

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hi all,
I am trying to call a code behind function using jquery but page is refershing when function is called, any help will be appreciated

<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4/jquery.min.js" type="text/javascript"></script>
		



<script type = "text/javascript">
    function ShowCurrentTime() {
        $.ajax({
            type: "POST",
            url: "default2.aspx/ServerSideMethod",
            data: '{}',
            contentType: "application/json; charset=utf-8",
            dataType: "json",
            async: true,
            cache: false,
            success: OnSuccess,
            failure: function (response) {
                alert(response.d);
            }
        });
    }
    function OnSuccess(response) {
        alert(response.d);
    }
</script>

--------------------------------

.cs function

[System.Web.Services.WebMethod]
   public static string ServerSideMethod()
   {
       return "Hello, this is string message";
   }

Posted 26-Jul-11 3:13am

suniltikli

Updated 26-Jul-11 3:32am

v3

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Ankur^\m/ 26-Jul-11 9:40am

How you are calling it? It works fine for me.

suniltikli 26-Jul-11 10:36am

I am using the below code to call the function

<asp:Button ID="Button2" runat="server" OnClientClick="ShowCurrentTime();" Text="New Button" />

2 solutions

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Christian Graus · Answer 1 · 2011-07-26T07:22:00

Solution 1

Onclientclick must return false to avoid a postback.

Posted 26-Jul-11 7:22am

Christian Graus

Comments

Manfred Rudolf Bihy 26-Jul-11 14:12pm

Yes indeed! 5+

Manfred Rudolf Bihy · Answer 2 · 2011-07-26T07:23:00

XML

<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4/jquery.min.js" type="text/javascript"></script>
<script type = "text/javascript">
    function ShowCurrentTime() {
        $.ajax({
            type: "POST",
            url: "default2.aspx/ServerSideMethod",
            data: '{}',
            contentType: "application/json; charset=utf-8",
            dataType: "json",
            async: true,
            cache: false,
            success: OnSuccess,
            failure: function (response) {
                alert(response.d);
            }
        });
        return false; // Will stop the event bubbling and thus keep from submitting the form.
    }
    
    function OnSuccess(response) {
        alert(response.d);
    }
</script>

ASP

<!--  return ShowCurrentTime(); // The return is important here other wise the submit event would still occur -->
<asp:Button ID="Button2" runat="server" OnClientClick="return ShowCurrentTime();" Text="New Button" />

Best Regards,

—MRB