In the example below, how can i post data to webservice after clicking login button in asp.net?
$(document).ready(function () { var username=$("#username").val(); var password=$("#pass").val(); $("#dialog").dialog({ bgiframe: true, autoOpen: false, height: 400, width: 300, modal: true, buttons: { "Cancel": function () { $(this).dialog("close"); }, "Login":function() { $.ajax( { type:"POST", dataType:"json", url:"WebService.asmx/Login", contentType:"application/json", data:"{username:'"+username+"',password:'"+password+"'}", success:function(val) { $("#isValid").attr("value",val.d); }} ); }, }, }); var isValid = $("#isValid").val(); if (isValid== "false") { // Display the modal dialog. $("#dialog").dialog("open"); } });