Load(Stream,WorkbookLoadOptions) Method

Reads a workbook from a stream.
Public Overloads Shared Function Load( _
   ByVal stream As Stream, _
   Optional ByVal loadOptions As WorkbookLoadOptions _
) As Workbook
public static Workbook Load( 
   Stream stream,
   WorkbookLoadOptions loadOptions


The stream to read the workbook from.
The options to use to load the stream or null to use the default options.

Return Value

The workbook loaded from the stream.
System.ArgumentExceptionstream does not contain valid Microsoft Excel file contents.
System.ArgumentException The file format cannot be determined from the specified stream.
System.InvalidOperationException The format of the workbook data is in an unsupported format.
System.NotSupportedExceptionThe workbook being loaded is in an Excel 2007 format and the CLR 2.0 Excel assembly is being used. The overload taking an Infragistics.Documents.Core.Packaging.IPackageFactory must be used in this case so the Excel 2007 file package can be accessed.
Infragistics.Documents.Core.InvalidPasswordExceptionOccurs when the workbook is encrypted and the open password specified in the loadOptions is not correct.
Infragistics.Documents.Core.DocumentEncryptedExceptionOccurs when the workbook is encrypted and no password was specified to open the stream in the loadOptions.
Infragistics.Documents.Core.EncryptionAlgorithmNotSupportedException Occurs when the workbook is encrypted with an unsupported encryption algorithm and cannot be decrypted.

When loading the workbook, the format will be determined the file extension or by the contents of the file. If a FileStream is specified, the extension of the file will be examined. If the extension is a standard Excel format extension, the workbook will be assumed to be in the corresponding format. Otherwise, the contents of the file will be examined to try to determine the format. The CurrentFormat of the returned workbook will indicate the format the workbook was loaded from.


Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

See Also