String.IsNullOrEmpty - don't work

Hello everyone, I need your help.
I need to check cells for void in Excel. Such a mistake.

1 Like

Hi @RPA3

Can you remove the “first_art.ToString”'s .ToString part and try again… So it should look like


also change the data type of first_art to String if it is generic


What about:
art.Contains(“art”) And model.Contains(“model”) And cost.Contains(“price”) And mass.Contains(“mass”) And sklad.Contains(“wert”) And cell.Contains(“cell”)

I have same error

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