WebControl.Style Property
Gets a collection of text attributes that will be rendered as a style attribute on the outer tag of the Web server control.
Assembly: System.Web (in System.Web.dll)
Property Value
Type: System.Web.UI.CssStyleCollectionA CssStyleCollection that contains the HTML style attributes to render on the outer tag of the Web server control.
Use the Style collection to manage the style attributes rendered in the outer tag of the Web server control. This property will render on all browsers for all controls.
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Browsers that do not support style attributes will ignore the rendered HTML. |
Any style values set through the strongly typed style properties (for example, BackColor="Red") will automatically override a corresponding value in this collection.
Values set in this collection are not automatically reflected by the strongly typed style properties.
| Topic | Location |
|---|---|
| How to: Set ASP.NET Server Control Style Properties Programmatically | Building ASP .NET Web Applications |
| How to: Set ASP.NET Server Control Style Properties Programmatically | Building ASP .NET Web Applications |
The following example illustrates how to use the Style property to hide or display a Label control on a page.
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The following code sample uses the single-file code model and may not work correctly if copied directly into a code-behind file. This code sample must be copied into an empty text file that has an .aspx extension. For more information on the Web Forms code model, see ASP.NET Web Page Code Model. |
<%@ Page Language="C#" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <script runat="server"> void Button1_Click(Object sender, EventArgs e) { if (Label1.Style["visibility"] == "hidden") Label1.Style["visibility"] = "show"; else Label1.Style["visibility"] = "hidden"; } </script> <html xmlns="http://www.w3.org/1999/xhtml" > <head id="Head2" runat="server"> <title>Style Property of a Web Control</title> </head> <body> <form id="form1" runat="server"> <div> <h3>Style Property of a Web Control</h3> <asp:Label id="Label1" Text="This is a label control." BorderStyle="Solid" runat="server"/> <p> <asp:Button id="Button1" Text="Click to hide or unhide the label" OnClick="Button1_Click" runat="server"/> </p> </div> </form> </body> </html>
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
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