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Thursday, 21 May 2015

Ajax Call Using UpdatePanel Display Data On Button Click Without Refresh In Asp.Net, C#

5/21/2015 - By Pranav Singh 0

This article will show you how you can do ajax call using updatepanel display data on button click without refresh in asp.net and c#.

Some of my previous articles are as follows: Call C# Code or Function or Method From Javascript In Asp.Net, Get All Checked Checkbox Value Using jQuery in Asp.Net CheckBoxList, Get RadioButton Value Using jQuery In Asp.Net, Comment System OR Form and Display In GridView Using C# In Asp.Net, Excel File Upload Or Import and Display In GridView Using C# In Asp.Net, Read List Of File From Server and Display In GridView Using C# In Asp.Net, How to Change DateTime Format Using C# In Asp.Net, Facebook like Button Integration In Asp.net Using C#.Net.

So for this article first I have created a new asp.net application and now on page add the ScriptManager and UpdatePanel. Now on update panel add a button control and a label. In this when you click on button the label text will change without refreshing the page.


<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="WebApplication2.WebForm1" %>

<!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>Ajax Call Using UpdatePanel Display Data On Button Click Without Refresh In Asp.Net, C#</title>
    <script src="Scripts/jquery-1.4.1.min.js" type="text/javascript"></script>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:ScriptManager ID="ScriptManager1" runat="server">
        </asp:ScriptManager>
        <asp:UpdatePanel ID="UpdatePanel1" runat="server">
            <ContentTemplate>
                <asp:Label ID="Label1" runat="server" Text="Label" Style="font-weight: 700; font-size: x-large"></asp:Label>
                <br />
                <br />
                <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="Submit" />
            </ContentTemplate>
        </asp:UpdatePanel>
    </div>
    </form>
</body>
</html>

Now use the below code to display the text on label control.

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

namespace WebApplication2
{
    public partial class WebForm1 : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {

        }

        protected void Button1_Click(object sender, EventArgs e)
        {
            Label1.Text = "This is server side ajax call";
        }
    }
}

Now we have done run the application to check the output.

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