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WebControl.Style Property

  • Reference

Definition

Namespace:
System.Web.UI.WebControls
Assembly:
System.Web.dll

Gets a collection of text attributes that will be rendered as a style attribute on the outer tag of the Web server control.

public:
 property System::Web::UI::CssStyleCollection ^ Style { System::Web::UI::CssStyleCollection ^ get(); };
[System.ComponentModel.Browsable(false)]
public System.Web.UI.CssStyleCollection Style { get; }
[<System.ComponentModel.Browsable(false)>]
member this.Style : System.Web.UI.CssStyleCollection
Public ReadOnly Property Style As CssStyleCollection

Property Value

CssStyleCollection

A CssStyleCollection that contains the HTML style attributes to render on the outer tag of the Web server control.

Attributes
BrowsableAttribute

Examples

The following example illustrates how to use the Style property to hide or display a Label control on a page.

Note

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 Forms 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>

<%@ Page Language="VB" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<script runat="server">
 
    Sub Button1_Click(sender As Object, e As EventArgs)
        If Label1.Style("visibility") = "hidden" Then
            Label1.Style("visibility") = "show"
        Else
            Label1.Style("visibility") = "hidden"
        End If
    End Sub
 
</script>

<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head2" runat="server">
    <title>Style Property Example</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>

Remarks

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.

Note

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.

Applies to

See also