ExcelFileFormat Enumeration

Visual Basic
C#

'Declaration
 
Public Enum ExcelFileFormat 
   Inherits System.Enum

'Usage
 
Dim instance As ExcelFileFormat

public enum ExcelFileFormat : System.Enum

Member	Description
XLS	Uses BIFF (Binary Interchange File Format, which is well known as the default file format for Microsoft Office Excel 97-2003), the default file extension is .XLS.
XLSM	Uses OpenXML and enable macro.
XLSX	Uses OpenXML (Office Open XML, which is well known as the default file format for Microsoft Office Excel 2007), the default file extension is .XLSX.

This example uses the ExcelFileFormat enumeration.

C#

string f;
f = "c:\\zipfile\\test1.xlsx";
// Open an existing file named test1.xlsx
System.IO.FileStream s = new System.IO.FileStream(f, System.IO.FileMode.Open, System.IO.FileAccess.ReadWrite);
gcSpreadSheet1.SaveExcel(s, GrapeCity.Windows.SpreadSheet.Data.ExcelFileFormat.XLSX);
//gcSpreadSheet1.SaveExcel(s, GrapeCity.Windows.SpreadSheet.Data.ExcelFileFormat.XLSX, "12Test9");
//gcSpreadSheet1.SaveExcel(s, GrapeCity.Windows.SpreadSheet.Data.ExcelFileFormat.XLSX, GrapeCity.Windows.SpreadSheet.Data.ExcelSaveFlags.DataOnly);
//gcSpreadSheet1.SaveExcel(s, GrapeCity.Windows.SpreadSheet.Data.ExcelFileFormat.XLSX, GrapeCity.Windows.SpreadSheet.Data.ExcelSaveFlags.DataOnly, "12Test9");
s.Close();
gcSpreadSheet1.Invalidate();

VB.NET

Dim f As String
f = "c:\zipfile\test1.xlsx"
' Open an existing file named test1.xlsx
Dim s As New System.IO.FileStream(f, System.IO.FileMode.Open, System.IO.FileAccess.ReadWrite)
GcSpreadSheet1.SaveExcel(s, GrapeCity.Windows.SpreadSheet.Data.ExcelFileFormat.XLSX)
'GcSpreadSheet1.SaveExcel(s, GrapeCity.Windows.SpreadSheet.Data.ExcelFileFormat.XLSX, "12Test9")
'GcSpreadSheet1.SaveExcel(s, GrapeCity.Windows.SpreadSheet.Data.ExcelFileFormat.XLSX, GrapeCity.Windows.SpreadSheet.Data.ExcelSaveFlags.DataOnly)
'GcSpreadSheet1.SaveExcel(s, GrapeCity.Windows.SpreadSheet.Data.ExcelFileFormat.XLSX, GrapeCity.Windows.SpreadSheet.Data.ExcelSaveFlags.DataOnly, "12Test9")
s.Close()
GcSpreadSheet1.Invalidate()

System.Object
   System.ValueType
      System.Enum
         GrapeCity.Windows.SpreadSheet.Data.ExcelFileFormat

Reference

GrapeCity.Windows.SpreadSheet.Data Namespace