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StyleSheet Class

Organizes styles that will be applied to other controls.

Namespace:  System.Web.UI.MobileControls
Assembly:  System.Web.Mobile (in System.Web.Mobile.dll)

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<AspNetHostingPermissionAttribute(SecurityAction.InheritanceDemand, Level := AspNetHostingPermissionLevel.Minimal)> _
Public Class StyleSheet _
	Inherits MobileControl
Dim instance As StyleSheet
<mobile:StyleSheet />

A StyleSheet control can contain any number of style objects, or more specialized style objects that inherit from the Style class. These should have unique name properties. You can then refer to other controls on the same page by their Name property. This class has no visual representation.

A page can also use an external style sheet, and several pages can share the same external style sheet. For more information about styles, refer to the <Style> Element element and the Styles topic.


The StyleSheet control ignores its own style attributes; setting a style attribute on the StyleSheet itself has no effect on the styles contained as children within the StyleSheet control.

The following example shows how you can add Style properties to a StyleSheet control during the Page_Load event.

<%@ Page Language="VB"  
    Inherits="System.Web.UI.MobileControls.MobilePage" %>
<%@ Register TagPrefix="mobile"  
    Assembly="System.Web.Mobile" %>
<%@ Import Namespace="System.Web.UI.MobileControls" %>
<%@ Import Namespace="System.Drawing" %>

<script runat="server">
    Protected Sub Page_Load(ByVal sender As Object, ByVal e As EventArgs)
        If Not IsPostBack Then
            StyleSheet1("Style1").ForeColor = Color.Red
            StyleSheet1("Style1").Font.Size = _
            StyleSheet1("Style1").Font.Bold = BooleanOption.True
            StyleSheet1("Style1").Font.Italic = BooleanOption.True
            StyleSheet1("Style2").ForeColor = Color.Blue
            StyleSheet1("Style2").Font.Size = _
            StyleSheet1("Style2").Font.Bold = BooleanOption.False
            StyleSheet1("Style2").Font.Italic = BooleanOption.True
            StyleSheet1("Style3").ForeColor = Color.Green
            StyleSheet1("Style3").Font.Size = _
            StyleSheet1("Style3").Font.Bold = BooleanOption.False
            StyleSheet1("Style3").Font.Italic = BooleanOption.False 
        End If 
    End Sub 

    Private Sub SelectStyle(ByVal sender As Object, _
        ByVal e As EventArgs)

        ' Retrieve the style name as a string. 
        Dim myStyle As String = SelectionList1.Selection.ToString()

        ' Match the style name and apply the style to TextView1. 
        Select Case myStyle
            Case "hot"
                TextView1.StyleReference = "Style1" 
            Case "medium"
                TextView1.StyleReference = "Style2" 
            Case "mild"
                TextView1.StyleReference = "Style3" 
        End Select 
    End Sub

<html xmlns="http:'" >
    <mobile:StyleSheet id="StyleSheet1" runat="server">
        <mobile:Style Name="Style1" Font-Name="Arial"
            BackColor="#E0E0E0" Wrapping="Wrap">
        <mobile:Style Name="Style2" Font-Name="Arial"
            BackColor="blue" Wrapping="NoWrap">
        <mobile:Style Name="Style3" Font-Name="Arial Narrow"
            BackColor="Green" Wrapping="NoWrap">

    <mobile:Form id="Form1" runat="server">
        <mobile:Label id="Label1" runat="server" 
            Text="Today's Special" StyleReference="title" />
        <mobile:TextView id="TextView1" runat="server" 
        <mobile:SelectionList runat="server" id="SelectionList1">
           <item Text="hot" Value="hot"/>
           <item Text="medium" Value="medium"/>
           <item Text="mild" Value="mild"/>
        <mobile:Command ID="Command1" runat="server" 
           Text="Select Style" OnClick="SelectStyle" />

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1