Code:
If str = "add" Then
            ''''''ADD NEW RECORD'''''''
            If txtID.Text = "" Or txtFirst.Text = "" Or txtLast.Text = "" Or txtAddress.Text = "" Or TextBox2.Text = "" Or TextBox3.Text = "" Or TextBox4.Text = "" Or TextBox5.Text = "" Or TextBox6.Text = "" Or TextBox7.Text = "" Or TextBox8.Text = "" Or TextBox9.Text
...