ActiveReports 12
Count Property (DDSheets)
Example 

GrapeCity.ActiveReports.Export.Excel.v12 Assembly > GrapeCity.SpreadBuilder Namespace > DDSheets Class : Count Property
Gets the number of elements contained in the DDSheets collection.
Syntax
'Declaration
 
Public ReadOnly Property Count As Integer
public int Count {get;}

Property Value

Integer.
Remarks
This property is read-only.
Example
if (MessageBox.Show ("Your spreadsheet is " + sb.Sheets.Count.ToString() + " sheet(s) long. Okay to save?", "Save", MessageBoxButtons.YesNo) == DialogResult.Yes) 
{
    //Save the Workbook to an Excel file
    sb.Save (Application.StartupPath + @"\x.xls");
    MessageBox.Show("Your Spreadsheet, " + sb.Sheets[0].Columns(0).OwnerSheet.Name + ", has been saved to " + Application.StartupPath + "\\x.xls");
}
sb.Clear();
If MessageBox.Show("Your spreadsheet is " + sb.Sheets.Count.ToString() + " sheet(s) long. Okay to save?", "Save", MessageBoxButtons.YesNo) = DialogResult.Yes Then
	'Save the Workbook to an Excel file
	sb.Save(Application.StartupPath + "\x.xls")
	MessageBox.Show("Your Spreadsheet, " + sb.Sheets(0).Columns(0).OwnerSheet.Name + ", has been saved to " + Application.StartupPath + "\x.xls")
End If
sb.Clear()
See Also

Reference

DDSheets Class
DDSheets Members