I am very, very new to programming in VBA. I have come up with the following code for VBA. But, it doesn't work. I can still enter a duplicate. Can someone please share with me what I'm doing wrong? If Trim(Me.txtheatcode.Value) = "" Then MsgBox "Please enter a Heat Code" If Trim(Me.txtheatcode.Value) = (Sheets("PartsData").Range("D2:D999")) = 0 Then MsgBox "Duplicate Heat Code Found" Me.txtheatcode.SetFocus End If Thank you for your time.
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