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Web Controls - • Derived from System.Web.UI.Control •...

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Chapter 6 Web Controls Detailed description of server controls provided by FCL.
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Chapter 7 User Controls Yingcai Xiao
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Custom controls built from HTML and server-side scripts. Create your own tags and tag prefixes. File.ASCX User Controls
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Creation (Hello.ascx) <h1>Hello, world</h1> Usage (UserControlDemo.aspx) <%@ Register TagPrefix="Xiao" TagName="Hello" src="Hello.ascx" %> <html> <body> <form RunAt="server"> <Xiao:Hello RunAt="server" /> </form> </body> </html> TagPrefix="Xiao" defines a new tag prefix. TagName="Hello" defines a new tag using src="Hello.ascx". User Controls
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Chapter 8 Custom Controls Yingcai Xiao
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Custom Controls Custom-built server controls using only a server-side language (no HTML).
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Unformatted text preview: • Derived from System.Web.UI.Control. • Create your own tags and tag prefixes. Custom Controls • Creation (Hello.cs) using System; using System.Web.UI; namespace WP { public class Hello : Control { protected override void Render (HtmlTextWriter writer) { writer.Write ("Hello, world"); } } } Note: the Render method is required to be overridden . • Compilation: csc /target:/library Hello.cs Move Hello.dll to “bin” of the virtual directory. • Usage CustomControlDemo.aspx <%@ Register TagPrefix="win" Namespace="WP" Assembly="Hello" %> <html> <body> <form RunAt="server"> <win:Hello RunAt="server" /> </form> </body> </html> Custom Controls...
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