ASP Web Form Quick Start for. NET (3)

ASP Web Form Quick Start for. NET

Server Control

In addition to using the <%> code block to program dynamic content, ASP. NET also provides server controls for the same functionality .. In the aspx file, the server control is defined as a tag that contains the runat = "server" attribute settings.
In the following example, four server controls are used: <form runat = server>, <asp: textbox runat = server>, <asp: dropdownlist runat = server>, and <asp: button runat = server>. During runtime, these server controls dynamically create HTML output content.

Intro4.aspx
Click execute to view the source code

We can see that using the server control can automatically keep any value input by the client without considering how many interactions with the server. The status of these controls is not stored on the server, but stored in a In addition to standard HTML output controls, ASP. NET allows developers to use a wide range of custom controls on pages. Please try the following example to see how to use the <asp: adrotator> Control to dynamically display the rotating advertisement on the page:

Intro5.aspx
Click execute to view the source code

For a detailed list of ASP. NET built-in server controls, see here