Call the SQL Server AddProduct() stored procedure with SqlCommand

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using System;
using System.Data;
using System.Data.SqlClient;

class ExecuteAddProduct {
    public static void Main() {
        SqlConnection mySqlConnection = new SqlConnection("server=localhost;database=Northwind;uid=sa;pwd=sa");
        mySqlConnection.Open();
        SqlCommand mySqlCommand = mySqlConnection.CreateCommand();
        mySqlCommand.CommandText =
          "EXECUTE AddProduct @MyProductID OUTPUT, @MyProductName, " +
          "@MySupplierID, @MyCategoryID, @MyQuantityPerUnit, " +
          "@MyUnitPrice, @MyUnitsInStock, @MyUnitsOnOrder, " +
          "@MyReorderLevel, @MyDiscontinued";

        mySqlCommand.Parameters.Add("@MyProductID", SqlDbType.Int);
        mySqlCommand.Parameters["@MyProductID"].Direction = ParameterDirection.Output;
        mySqlCommand.Parameters.Add("@MyProductName", SqlDbType.NVarChar, 40).Value = "Widget";
        mySqlCommand.Parameters.Add("@MySupplierID", SqlDbType.Int).Value = 1;
        mySqlCommand.Parameters.Add("@MyCategoryID", SqlDbType.Int).Value = 1;
        mySqlCommand.Parameters.Add("@MyQuantityPerUnit", SqlDbType.NVarChar, 20).Value = "1 per box";
        mySqlCommand.Parameters.Add("@MyUnitPrice", SqlDbType.Money).Value = 5.99;
        mySqlCommand.Parameters.Add("@MyUnitsInStock", SqlDbType.SmallInt).Value = 10;
        mySqlCommand.Parameters.Add("@MyUnitsOnOrder", SqlDbType.SmallInt).Value = 5;
        mySqlCommand.Parameters.Add("@MyReorderLevel", SqlDbType.SmallInt).Value = 5;
        mySqlCommand.Parameters.Add("@MyDiscontinued", SqlDbType.Bit).Value = 1;
        mySqlCommand.ExecuteNonQuery();
        Console.WriteLine("New ProductID = " + mySqlCommand.Parameters["@MyProductID"].Value);
        mySqlConnection.Close();
    }
}