Ok.
See below how I works
If StringFuncties.IsNull(Str) Then
Str = ""
Else
Str = RegCursor.GetString("GeboorteDatum")
Str2 = RegCursor.GetString("EindDatum")
DateTime.DateFormat = "dd-MM-yyyy"
If StringFuncties.Is0(Str2) Then
Str2 = DateTime.Date(DateTime.Add(DateTime.Now,0,0,1))
Str = Algemeen.DaysBetween(Str,Str2)
Else
Str2 = DateTime.Date(DateTime.Add(DateTime.DateParse(Str2),0,0,1))
Str = Algemeen.DaysBetween(Str,Str2)
End If
End If
pdf.Canvas.DrawText(Str, l+416, t, Typeface.DEFAULT, fs1/ GetDeviceLayoutValues.Scale , Colors.Black , "CENTER")
Error on Null String :
(NullPointerException) java.lang.NullPointerException: Attempt to invoke virtual method 'boolean java.lang.Object.equals(java.lang.Object)' on a null object reference