<%@ 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>Untitled Page</title>
</head>
<body>
<form id="form1" runat="server" defaultbutton="Button1" defaultfocus="TextBox1">
<asp:TextBox ID="TextBox1" Text="Focus1" runat="server" TabIndex="1">
<asp:TextBox ID="TextBox2" Text="Focus2" runat="server" TabIndex="2">
<asp:TextBox ID="TextBox3" Text="Focus3" runat="server" TabIndex="3">
<asp:TextBox ID="TextBox4" Text="Focus4" runat="server" TabIndex="4">
<asp:Button runat="server" ID="Button1" Text="DefaultClick-IfPressed-EnterKey" OnClick="DefaultButtonClicked"/>
<asp:Button runat="server" ID="Button2" Text="ClickExplicitly" OnClick="ExplicitlyClicked"/>
</form>
</body>
</html>
if you are using master page then you have to do like this
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my master page source:
<%@ Master Language="C#" AutoEventWireup="true" CodeFile="MasterPage.master.cs" Inherits="MasterPage" %>
<!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></title>
<asp:ContentPlaceHolder id="head" runat="server">
</asp:ContentPlaceHolder>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:ContentPlaceHolder id="ContentPlaceHolder1" runat="server">
</asp:ContentPlaceHolder>
</div>
</form>
</body>
</html>
my content page source:
<%@ Page Title="" Language="C#" MasterPageFile="~/MasterPage.master" AutoEventWireup="true" CodeFile="Default5.aspx.cs" Inherits="Default5" %>
<asp:Content ID="Content1" ContentPlaceHolderID="head" Runat="Server">
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server">
<asp:Button ID="Button1" runat="server" onclick="Button1_Click" Text="Button" />
<br />
<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
</asp:Content>
my content page code behind:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
public partial class Default5 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
Page.Form.DefaultButton = Button1.UniqueID;
}
protected void Button1_Click(object sender, EventArgs e)
{
Response.Write("ha ha click me ");
}
}
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