Dundas Chart for ASP.NET
Exists Method
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Dundas.Charting.WebControl Namespace > ChartHttpHandler.IImageHandler Interface : Exists Method


settings
The settings.
key
The key.
Checks for existence the specified key.

Syntax

Visual Basic (Declaration)  
Function Exists( _
   ByVal settings As ChartHttpHandler.StorageSettings, _
   ByVal key As String _
) As Boolean
Visual Basic (Usage) Copy Code
Dim instance As ChartHttpHandler.IImageHandler
Dim settings As ChartHttpHandler.StorageSettings
Dim key As String
Dim value As Boolean
 
value = instance.Exists(settings, key)

Parameters

settings
The settings.
key
The key.

Requirements

Target Platforms: Windows 98, Windows NT 4.0, Windows Millennium Edition, Windows 2000, Windows XP Home Edition, Windows XP Professional, Windows Server 2003 family, Windows Vista, Windows Server 2008 family

See Also

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