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dotnet-framework-api
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C1.Document.4.6.2 Assembly
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C1.Document
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Classes
- ArcShape
- BarcodeOptions
- BarcodeSizeOptions
- Border
- BorderConverter
- C1BookmarkPosition
- C1Brush
- C1CategoryAttribute
- C1DescriptionAttribute
- C1Document
- C1DocumentAction
- C1DocumentSource
- C1DocumentSourceContext
- C1DocumentSourceException
- C1DocumentSourceFeatures
- C1FindTextParams
- C1FoundPosition
- C1FragmentHighlight
- C1GradientBrush
- C1Hyperlink
- C1KeyedList<TKey, TItem>
- C1LinearBrush
- C1LinkTarget
- C1LinkTargetBase
- C1LinkTargetFile
- C1LinkTargetPage
- C1PageSettings
- C1PdfDocumentSource
- C1PrintOptions
- C1RadialBrush
- C1RplImportException
- C1SSRSDocumentSource
- C1SolidBrush
- C1SortedList<TKey, TValue>
- C1TextSearchManager
- CompatibilityOptions
- DocumentInfo
- EllipsePartShape
- EllipseShape
- ExecuteActionCompletedEventArgs
- ExportCompletedEventArgs
- FindActionCompletedEventArgs
- GetLinkTargetPositionCompletedEventArgs
- GetPageCompletedEventArgs
- GradientStop
- GradientStopCollection
- IsoscelesTriangleShape
- LabeledValue
- LabeledValues
- Line
- LineConverter
- LineShape
- LineShapeBase
- LogEntry
- LogEntryList
- LongOperationEventArgs
- NotifyCollectionEventArgs
- OutlineNode
- OutlineNodeCollection
- OutputRange
- OutputRange.Enumerator
- PagesLoadedEventArgs
- Parameter
- Parameter.PropsTable<T>
- ParameterCollection
- ParameterValidationError
- PdfPasswordException
- PieShape
- PolygonShape
- PropertyNotifyEventArgs
- RectangleShape
- RenderFlexChart
- RightTriangleShape
- SSRSDrillthroughReportLocation
- SSRSOpenReportAction
- SSRSReportLocation
- SSRSReportLocationBase
- SSRSSessionReportLocation
- SSRSSortAction
- SSRSToggleItemAction
- SecurityErrorEventArgs
- SecurityException
- ShapeBase
- StyleCollection
- TriangleShapeBase
-
Utils
- Fields
-
Methods
- AreObjectArraysEqual
- AreObjectsEqual
- AsNumber
- Assign
- BarCodeEnumToCodeType
- Compare
- CopyStream
- DeflateHalfLine
- FastFind
- FindTextInstances
- FromTwips
- GetFlag
- GetImageEmbeddedResource
- GetInterface
- GetMethod
- GetMinMax
- GetNearText
- GetParameterlessCtor
- GetProperty
- GetRelativePath
- GetResourceImage
- GetResourceStream
- GetStringEmbeddedResource
- GetWord
- InflateHalfLine
- IsCancelled
- IsCulturesSame
- IsEmpty
- IsEnum
- IsNull
- IsNumber
- IsValueType
- IsWholeWord
- SamePaperSizes
- SetFlag
- Swap
- ToBytes
- ToImage
- ToTwips
- TryAsNumber
- TryObjectAsDouble
- ValidateFileName
- ValidateParametersCompletedEventArgs
- VisualPrimitive
- Structs
- Enums
- Interfaces
- Delegates
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Classes
- C1.Document.Export
- C1.Document.Export.Ssrs
- C1.Document.FlexChart
- C1.Document.Serialization
- C1.Document.Util
- C1.ImportServices.ReportExecution4
- C1.ImportServices.ReportingService4
- C1.Interop
- C1.Ssrs
- C1.Ssrs.RplReader
- C1.Ssrs.RplReader.Recs
- C1.Util.Localization
- GrapeCity.Documents.Drawing
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C1.Document
- C1.Report.4.6.2 Assembly
- C1.Win.FlexReport.4.8 Assembly
- C1.Win.FlexReport.CustomFields.4.8 Assembly
- C1.Win.Document.4.8 Assembly
- C1.WPF.Document.4.6.2 Assembly
- C1.WPF.FlexReport.4.6.2 Assembly
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C1.Document.4.6.2 Assembly
- dotnet-standard-api
- dotnet-api
C1.Document.Utils.IsNull
IsNull Method
IsNull(object)
Returns a value indicating whether a value is null or System.DBNull.
Declaration
public static bool IsNull(object v)Public Shared Function IsNull(v As Object) As BooleanParameters
| Type | Name | Description |
|---|---|---|
| object | v | Value to test. |
Returns
| Type | Description |
|---|---|
| bool | Returns true if |