how to determine that a Cell of Excel contains nothing?

[cyhcyhhychyc]

I've tryed using syntax below:
Convert.IsDBNul l(xSheet.Cells[i, 2])

and
Excel.Range ran = (Excel.Range)xS heet.Cells[i, 2];
if (ran.Value2 == null)

All the trys end up with an exception msg:"HRESULT:0x 800A03EC".
dont know why.

[tlhintoq]

Try just getting the data from the cell and stick it in a string.
If it is an empty string, or if you get a 'null reference exception' while getting the data, it stands to reason it is null.