WHY key down did't works in if ...else ... End if option

See more:

VB14

I want add two keys selection in text box
please help me to solve this ,following code do not work when i pressed tab

What I have tried:

Private Sub TextBox1_KeyDown(sender As Object, e As KeyEventArgs) Handles TextBox1.KeyDown
     If e.KeyCode = Keys.Enter Then
         TextBox2.BackColor = Color.Coral
         TextBox2.Focus()
         TextBox2.Select()
     ElseIf e.KeyCode = Keys.Tab Then
         TextBox2.BackColor = Color.PaleGoldenrod
         TextBox2.Focus()
         TextBox2.Select()
     End If
 End Sub