Output:
Add a Web.Services DLL reference int your Project
using System.Web.Services;
Code for ASPX page:
<asp:Button ID="Button1" runat="server" Text="Click" />
<br/><br/>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.3/jquery.min.js" type="text/javascript"></script>
<script type ="text/javascript">
$(document).ready(function () {
$('#<%=Button1.ClientID %>').click(function () {
$.ajax({
type: "POST",
url: "CallWebMethod.aspx/CodeBehindMethod",
data: "{}",
contentType: "application/json; charset=utf-8",
dataType: "json",
async: true,
cache: false,
success: function (MethodReturnValue)
{
$('#myDiv').text(MethodReturnValue.d);
}
})
return false;
});
});
// Pass static value
function CallMethod1() {
$.ajax({
type: "POST",
url: "CallWebMethod.aspx/CodeBehindMethod",
data: "{'param1':
9870}",
contentType: "application/json; charset=utf-8",
dataType: "json",
async: true,
cache: false,
success: function (MethodReturnValue)
{
$('#myDiv').text(MethodReturnValue.d);
}
})
return false;
}
// Pass variable value
function CallMethod(variableValue) {
//
variableValue = "Hello Mr. Ravi Kumar Maloth";
$.ajax({
type: "POST",
url: "CallWebMethod.aspx/CodeBehindMethod2",
data: "{'paramVal':'" +
variableValue + "'}",
contentType: "application/json; charset=utf-8",
dataType: "json",
async: true,
cache: false,
success: function (returnValue) {
$('#myDiv').text(returnValue.d);
}
})
return false;
}
</script>
Code for Code Behind(ASPX.cs) page:
public static string CodeBehindMethod()
{
return "Message from
CodeBehindMethod.";
}
[WebMethod]
public static string CodeBehindMethod2(string paramVal)
{ // Passing variable name is same as function param
CallWebMethod mycallWeb = new CallWebMethod();
mycallWeb.hideData();
return "Message from
CodeBehindMethod : " + paramVal;
}
public void hideData()
{
try
{
//Logic here
}
catch (Exception ex) { }
}
