VB.NET调用MySQL存储过程并获得返回值的方法

Dim myConnectionString As String = "Database=" & myDatabase & _   " ;Data Source=" & myHost & _   ";User Id=" & myUserId & ";Password=" & myPasswordDim myConnection As New MySqlConnection(myConnectionString)Try  myConnection.Open()Catch MyException As MySqlException  Console.WriteLine("Connection error: MySQL code: " & MyException.Number & _           " " + MyException.Message)End TryTry  Dim myCommand As New MySqlCommand("call error_test_proc(1)")  myCommand.Connection = myConnection  myCommand.ExecuteNonQuery()Catch MyException As MySqlException  Console.WriteLine("Stored procedure error: MySQL code: " & _      MyException.Number & " " & _      MyException.Message)End Try