| FarPoint.Web.Spread Assembly > FarPoint.Web.Spread.Data Namespace > DefaultSpreadDataViewMapper Class : IsValid Method | 
'Usage Dim instance As DefaultSpreadDataViewMapper Dim sheetView As SheetView Dim value As Boolean value = instance.IsValid(sheetView)
true if [is valid mapper] [the specified sheet view]; otherwise, false.Target Platforms: Windows 7, Windows 8, Windows Vista, Windows Server 2000, Windows 2000 Professional, Windows XP Professional, Windows NT 4.0 Workstation, SP6, Windows NT 4.0 Server, SP6