Sample.
Sorry if i can't show some image sorry..
Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
If TextBox1.Text = "simple" And TextBox2.Text = "simple" Then
If MessageBox.Show("testing", "Condition", MessageBoxButtons.YesNo, MessageBoxIcon.Question) = Windows.Forms.DialogResult.Yes Then
MessageBox.Show("You Click Yes")
Else
MessageBox.Show("You Click No")
End If
Else
MessageBox.Show("Wrong Username or Password")
End If
End Sub
End Class
