Hi Claus,
Well, I think you may manually do it using your code.
E.g.,
Workbook workbook = new Workbook();
workbook.Open("d:\\test\\test_rangecopy1.xls");
object[,] oExcelRangeValues;
oExcelRangeValues = (System.Object[,])workbook.Worksheets[0].Cells.ExportArray(0, 0, 2, 4);
Workbook wkb = new Workbook();
Worksheet oWorksheet = wkb.Worksheets[0];
//Loop through the array and input "Null" manually
//if the particular array element is null.
for (int i = 0;i<2;i++)
{
for (int j =0;j<4;j++)
{
if (oExcelRangeValues[i,j]==null)
{
oExcelRangeValues[i,j]="Null";
}
}
}
oWorksheet.Cells.ImportTwoDimensionArray(oExcelRangeValues, 5, 2);
wkb.Save("d:\\test\\getarray.xls");
Thank you.