Spread Windows Forms 9.0 Product Documentation
IsExcelFile(String,ExcelWorkbookType) Method
Example 


Path and name of file
Returns the type of Excel workbook
Opens the specified file and determines whether it meets the minimal requirements to be considered a structured storage file that contains an Excel workbook.
Syntax
'Declaration
 
Public Overloads Function IsExcelFile( _
   ByVal fileName As String, _
   ByRef workbookType As ExcelWorkbookType _
) As Boolean
'Usage
 
Dim instance As FpSpread
Dim fileName As String
Dim workbookType As ExcelWorkbookType
Dim value As Boolean
 
value = instance.IsExcelFile(fileName, workbookType)
public bool IsExcelFile( 
   string fileName,
   ref ExcelWorkbookType workbookType
)

Parameters

fileName
Path and name of file
workbookType
Returns the type of Excel workbook
Exceptions
ExceptionDescription
System.IO.FileNotFoundExceptionSpecified file is not found
System.ArgumentNullExceptionNo file name is specified (or specified file name is null)
System.ArgumentExceptionNo file name is specified (or specified file name is empty)
Example
This example opens the excel file if it is determined to be one.
string s = "c:\\test.xls";
FarPoint.Excel.ExcelWorkbookType en;
en = FarPoint.Excel.ExcelWorkbookType.BIFF;
bool b = fpSpread1.IsExcelFile(s, ref en);
if (b)
{
fpSpread1.OpenExcel(s);
}
Dim s As String = "c:\test.xls"
Dim b As Boolean = FpSpread1.IsExcelFile(s, FarPoint.Excel.ExcelWorkbookType.BIFF)
If b Then
FpSpread1.OpenExcel(s)
End If
Requirements

Target Platforms: Windows 2000 Professional (SP4), Windows 2000 Server, Windows 2003 Server (SP1), Windows Server 2012 R2, Windows 2008, Windows XP (SP2), Windows Vista, Windows 7, Windows 8, Windows 8.1, Windows 10

See Also

Reference

FpSpread Class
FpSpread Members
Overload List

 

 


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