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how to check the cell if contains a value or has a how many strings in a cell

sample

id head
1 11

if head column has less than or equal to 1 string then

else

end if

What I have tried:

Dim columnName As String = dgvResults.Columns(e.ColumnIndex).Name
Dim cellVal As String = e.FormattedValue.ToString()
If e.ColumnIndex = 0 AndAlso cellVal.Length <> 5 Then
    e.Cancel = True
    MessageBox.Show(columnName & " must be 5 Digits Long!")
End If
Posted
Updated 16-May-22 21:50pm

1 solution

The Head column won't have index 0 - you have an ID column in front of it, so it's index would be 1.

So your If test assumes they are changing the ID column, not the Head.
   

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