Asp.net jquery ajax call -


i practicing jquery ajax call. happens when run project gives internal server error 500. error means , how encounter error?

i created sample project in added code:

   namespace sample {     public partial class jqajaxcall : system.web.ui.page     {         protected void page_load(object sender, eventargs e)         {             if (!ispostback)                 getdatetime();         }         [webmethod]         private static string getdatetime()         {             return datetime.now.tostring();         }     } }

my aspx code file:

    <script type="text/javascript" src="library/js/jquery-1.9.1-min.js"></script>     <script type="text/javascript">         $(document).ready(function () {             // add page method call onclick handler div.             $("#result").click(function () {                 $.ajax({                     type: "post",                     url: "jqajaxcall.aspx/getdatetime",                     data: "{}",                     contenttype: "application/json; charset=utf-8",                     datatype: "json",                     success: function (msg) {                         // replace div's content page method's return.                         $("#result").text(msg.d);                     }                 });             });         });     </script> </head> <body>     <form id="form1" runat="server">     <div id="result">         click here time.</div>     </form> </body> </html>

define function public...to access jquery this

 [webmethod] //define function public....         public static string getdatetime()         {             return datetime.now.tostring();         }

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