Button OnClick not firing on first click in ASP.NET?

Question

protected void ButtonCancel_Click(object sender, EventArgs e)
    {

        Response.Redirect(\"~/Logon.aspx\");
    }

this is not workin

Answer 1

Do you have form tag in master page or this page?

<%@ Page Title="About" Language="C#" MasterPageFile="~/Site.Master" AutoEventWireup="true" CodeBehind="About.aspx.cs" Inherits="WebApplication2.About" %>


    
<%: Title %>.
    
Your application description page.
    
Use this area to provide additional information.
    
    


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 About : Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {

        }

        protected void Button1_ServerClick(object sender, EventArgs e)
        {
            Response.Write("hello");
        }

        protected void Button2_Click(object sender, EventArgs e)
        {
            Response.Write("hello");
        }
    }
}

Master page

<%@ Master Language="C#" AutoEventWireup="true" CodeBehind="Site.master.cs" Inherits="WebApplication2.SiteMaster" %>





    
    
    

    
        <%: Scripts.Render("~/bundles/modernizr") %>
    
    
    



    

        
            
                <%--To learn more about bundling scripts in ScriptManager see https://go.microsoft.com/fwlink/?LinkID=301884 --%>
                <%--Framework Scripts--%>
                
                
                
                
                
                
                
                
                
                
                
                
                <%--Site Scripts--%>
            
        

        

            

                

                    
                        
                        
                        
                    
                    Application name
                
                

                    

                        
Home
                        
About
                        
Contact
                    
                    
                        
                            

                                
Register
                                
Log in
                            
                        
                        
                            

                                
Hello, <%: Context.User.Identity.GetUserName()  %> !
                                

                                    
                                
                            
                        
                    
                
            
        
        

            
            
            

            

                
© <%: DateTime.Now.Year %> - My ASP.NET Application