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ControlDesigner::CreateErrorDesignTimeHtml Method (String)

Creates HTML markup to display a specified error message at design time.

Namespace:  System.Web.UI.Design
Assembly:  System.Design (in System.Design.dll)

protected:
String^ CreateErrorDesignTimeHtml(
	String^ errorMessage
)

Parameters

errorMessage
Type: System::String

The error message to include in the generated HTML markup.

Return Value

Type: System::String
An HTML markup string that contains the specified error message.

Use the CreateErrorDesignTimeHtml method to create HTML markup to display an error message for a control at design time. The value for errorMessage specifies a localized string that is displayed to the user of the control at design time.

The ControlDesigner class implementation of the CreateErrorDesignTimeHtml method returns a table with two rows, as follows:

  • The first row contains the type name and site name for the Component property of the ControlDesigner object.

  • The second row contains the input error message string.

To generate HTML markup for an error message with an associated exception, use the CreateErrorDesignTimeHtml(String, Exception) overload. To generate HTML markup for an exception without specifying a localized error message, use the GetErrorDesignTimeHtml method.

Notes to Inheritors:

The CreateErrorDesignTimeHtml(String) overload is functionally equivalent to calling the CreateErrorDesignTimeHtml(String, Exception) method with e set to nullptr.

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
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