How to Call C# Method/Function Using jQuery Ajax

How to Call C# Method/Function Using jQuery Ajax

pageUrl = '<%= ResolveUrl("~/Default.aspx/jqueryAjaxCall") %>';
Default.aspx = Page Name and jqueryAjaxCall= c# method This is static web method.
firstName = $("#<%= txtFirstName.ClientID %>").val(); First Name parameters
lastName = $("#<%= txtLastName.ClientID %>").val(); Second Name parameters
parameter = { "firstName": firstName, "lastName": lastName }
Json format here first name and last name will we pass as the parameters to my jqueryAjaxCall method

.Aspx File

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title>Call C# method/function using JQuery Ajax</title>

    <script src="Script/jquery-1.11.0.min.js" type="text/javascript"></script>

    <script type="text/javascript" language="javascript">

        function JqueryAjaxCall() {
            var pageUrl = '<%= ResolveUrl("~/Default.aspx/jqueryAjaxCall") %>';
            var firstName = $("#<%= txtFirstName.ClientID %>").val();
            var lastName = $("#<%= txtLastName.ClientID %>").val();
            var parameter = { "firstName": firstName, "lastName": lastName }

            $.ajax({
                type: 'POST',
                url: pageUrl,
                data: JSON.stringify(parameter),
                contentType: 'application/json; charset=utf-8',
                dataType: 'json',
                success: function(data) {
                    onSuccess(data);
                },
                error: function(data, success, error) {
                    alert("Error : " + error);
                }
            });

            return false;
        }

        function onSuccess(data) {
            alert("welcome " + data.d + " to http://fantasyaspnet.blogspot.in/");
        }

    </script>

</head>
<body>
    <form id="form1" runat="server">
    <div>
        <table cellpadding="3" cellspacing="0" style="width: 25%;">
            <tr>
                <td>
                    First Name:
                </td>
                <td>
                    <asp:TextBox ID="txtFirstName" runat="server"></asp:TextBox>
                </td>
            </tr>
            <tr>
                <td>
                    Last Name:
                </td>
                <td>
                    <asp:TextBox ID="txtLastName" runat="server"></asp:TextBox>
                </td>
            </tr>
            <tr>
                <td>
                </td>
                <td>
                </td>
            </tr>
            <tr>
                <td>
                </td>
                <td>
                    <asp:Button ID="btnSubmit" runat="server" OnClientClick="return JqueryAjaxCall();"
                        Text="Submit" />
                </td>
            </tr>
        </table>
    </div>
    </form>
</body>
</html>

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.Services;

public partial class _Default : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {

    }

    [WebMethod]
    public static string jqueryAjaxCall(string firstName, string lastName)
    {
        return firstName + " " + lastName;
    }
}

Demo:

Asp.Net

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Thursday, 11 September 2014

How to Call C# Method/Function Using jQuery Ajax

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