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ASP.NET 2.0 - Master Pages ¿ØÖÆÒ³[Ö÷Ò³]


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Master pages provide templates for other pages on your web site.
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Master Pages
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Master pages allow you to create a consistent look and behavior for all the pages (or group of pages) in your web application.
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A master page provides a template for other pages, with shared layout and functionality. The master page defines placeholders for the content, which can be overridden by content pages. The output result is a combination of the master page and the content page.
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The content pages contains the content you want to display.
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When users request the content page, ASP.NET merges the pages to produce output that combines the layout of the master page with the content of the content page.
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Master Page Example:
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<%@ Master %>

<html>
<body>
<h1>ËùÓÐÒ³ÃæµÄ±êÌâ</h1>

<asp:ContentPlaceHolder id="CPH1" runat="server">
</asp:ContentPlaceHolder>

</body>
</html>

The master page above is a normal HTML page designed as a template for other pages.
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The @ Master directive defines it as a master page.
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The master page contains a placeholder tag <asp:ContentPlaceHolder> for individual content.
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The id="CHP1" attribute identifies the placeholder, allowing many placeholders in the same master page.
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This master page was saved with the name "master1.master"
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Note: The master page can also contain code, allowing dynamic content.
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Content Page Example:
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<%@ Page MasterPageFile="master1.master" %>

<asp:Content
ContentPlaceHolderId="CPH1" runat="server">

<h2>Individual Content</h2>
<p>Paragrap 1</p>
<p>Paragrap 2</p>

</asp:Content>

The content page above is one of the individual content pages of the web.
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The @ Page directive defines it as a standard content page.
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The content page contains a content tag <asp:Content> with a reference to the master page (ContentPlaceHolderId="CPH1").
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This content page was saved with the name "mypage1.aspx"
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When the user requests this page, ASP.NET merges the content page with the master page.
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Click to display mypage1.aspx.[²é¿´ÏÔʾµÄ½á¹û]

Note: The content text must be inside the <asp:Content> tag. No content is allowed outside the tag.
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Content Page With Controls:
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<%@ Page MasterPageFile="master1.master" %>


<asp:Content
ContentPlaceHolderId="CPH1" runat="server">

<h2>W3Schools</h2>
<form runat="server">
<asp:TextBox id="textbox1" runat="server" />
<asp:Button id="button1" runat="server" text="Button" />
</form>

</asp:Content>

The content page above demonstrates how .NET controls can be inserted into the content page just like an into an ordinary page.
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Click to display mypage2.aspx.[²é¿´Ð§¹û]

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