Image::AlternateText Property
Gets or sets the alternate text displayed in the Image control when the image is unavailable. Browsers that support the ToolTips feature display this text as a ToolTip.
Assembly: System.Web (in System.Web.dll)
Use this property to specify the text to display if the image specified in the ImageUrl property is not available. In browsers that support the ToolTips feature, this text also displays as a ToolTip.
The value of this property, when set, can be saved automatically to a resource file by using a designer tool. For more information, see LocalizableAttribute and ASP.NET Globalization and Localization.
| Topic | Location |
|---|---|
| How to: Add Image Web Server Controls to a Web Forms Page | Building ASP .NET Web Applications |
| How to: Add Image Web Server Controls to a Web Forms Page | Building ASP .NET Web Applications |
| Walkthrough: Creating an Accessible Web Application | Building ASP .NET Web Applications in Visual Studio |
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.