[RESOLVED] Button cannot do job if...[HELP]

[x DeaDLy]

Private Sub btnButton1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnButton1.Click
    If TextBox1.Text = "" Then
        MessageBox.Show("You need to enter a text", "Missing Information", MessageBoxButtons.OK, MessageBoxIcon.Error, MessageBoxDefaultButton.Button1)
    End If
End Sub

Thank you so much! +rep