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DataListDesigner.GetErrorDesignTimeHtml Method

Gets the HTML to display at design-time for the specified exception when an error has been encountered while rendering the control.

[Visual Basic]
Overrides Protected Function GetErrorDesignTimeHtml( _
   ByVal e As Exception _
) As String
[C#]
protected override string GetErrorDesignTimeHtml(
 Exception e
);
[C++]
protected: String* GetErrorDesignTimeHtml(
 Exception* e
);
[JScript]
protected override function GetErrorDesignTimeHtml(
   e : Exception
) : String;

Parameters

e
The Exception to display the error message for.

Return Value

The HTML displayed at design-time for the specified exception.

Example

[Visual Basic] The following code example overrides the GetErrorDesignTimeHtml method to return to the SimpleDataListDesigner class a custom string that will be displayed on the design surface when the GetErrorDesignTimeHtml is called.

[Visual Basic] This code example is part of a larger example provided for the System.DataListDesigner class.

[Visual Basic] 
' Write a string to the design surface if an error
' occurs while trying to render to the designer.
Overrides Protected Function GetErrorDesignTimeHtml(exc As Exception) As String
    Debug.Fail(exc.ToString())
    
 Return CreatePlaceHolderDesignTimeHtml( _
  "<b>An error occurred!</b>.<br>Check that all properties are valid.")            

End Function

[C#, C++, JScript] No example is available for C#, C++, or JScript. To view a Visual Basic example, click the Language Filter button Language Filter in the upper-left corner of the page.

Requirements

Platforms: Windows 2000, Windows XP Professional, Windows Server 2003 family

.NET Framework Security: 

See Also

DataListDesigner Class | DataListDesigner Members | System.Web.UI.Design.WebControls Namespace

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