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I have an ASP.NET application that crashes when a null date value is returned.
The code line is:
excelWorksheet.Cells("A" & xlRowCounter).Value = IIf(IsDBNull(dRow("sysdate")), "", Format(dRow("sysdate"), "MM/dd/yyyy"))
Error message:
ERROR: System.ArgumentException: Argument ‘Expression’ is not a valid value.
How would I check for a null date, and replace it with “” in my app ?
Try using
If([condition], [true-part], [false-part])instead:If you need an extra check to test for nothing, you can do this: