asp.net 2.0 的代码隐藏

Figure 1 Syntax in ASP.NET 2.0

Default.aspx
<%@ Page Language="C#" AutoEventWireup="true"

CodeFile="Default.aspx.cs" Inherits="MsdnMag.Default" %>

Default.aspx.cs
namespace MsdnMag

{

public partial class Default : System.Web.UI.Page

{

protected void Page_Load(object sender, EventArgs e)

{

}

}

}


Figure 2 Implicit Server-Side Control Access

Default.aspx
<%@ Page Language="C#" AutoEventWireup="true"

CodeFile="Default.aspx.cs" Inherits="MsdnMag.Default" %>

<!DOCTYPE html PUBLIC "..." "...">

<html xmlns="http://www.w3.org/1999/xhtml" >

<head runat="server">

<title>Untitled Page</title>

</head>

<body>

<form id="form1" runat="server">

<div>

Enter your name:

<asp:TextBox ID="_nameTextBox" runat="server" /><br />

<asp:Button ID="_enterButton" runat="server"

Text="Enter" OnClick="_enterButton_Click"/> <br />

<asp:Label ID="_messageLabel" runat="server" />

</div>

</form>

</body>

</html>

Default.aspx.cs
namespace MsdnMag

{

public partial class Default : System.Web.UI.Page

{

protected void _enterButton_Click(object sender, EventArgs e)

{

_messageLabel.Text = "Hello there " + _nameTextBox.Text + "!";

}

}

}


Figure 3 Class Generation with Codebehind

Class for ASPX file generated by ASP.NET
namespace ASP

{

public class default_aspx : MsdnMag.Default

{

...

}

}

Sibling partial class generated by ASP.NET
namespace MsdnMag

{

public partial class Default : IRequiresSessionState

{

protected TextBox  _nameTextBox;

protected Button   _enterButton;

protected Label    _messageLabel;

private   HtmlForm form1;

...

}

}

Codebehind partial class that you write
namespace MsdnMag

{

public partial class Default : Page

{

void _enterButton_Click(object sender, EventArgs e)

{

_messageLabel.Text = "Hello there " + _nameTextBox.Text + "!";

}

}

}

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