your problem

' will not work
' If ((EmployeeCode Is Nothing)) Then
' MsgBox("[ValidateEmploye eID] Input Validation of EmployeeID Failed", MsgBoxStyle.Cri tical)
' Return False
' End If
' this will fire!
If IsNull(Employee Code) Then
MsgBox("[ValidateEmploye eID] Input Validation of EmployeeID Failed", MsgBoxStyle.Cri tical)...