Private Sub Button12_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnbus.Click
        conexion = New OdbcConnection("dsn=conexión_vb; uid= root; pwd= 123456;")
      sql = " select nombre, apellido from docentes where identificacion= " & txtid.Text & ";"
        comando = New OdbcCommand(sql, conexion)
         Try
          conexion.Open()
 
         leer = comando.ExecuteReader()
         txtnombre = leer(0)
        Txtap = leer(1)
         Catch ex As Exception
        MsgBox(ex.Message)
          End Try