MYSQL+.NET中写SQL语句用参数的方式

using System;


using System.Collections.Generic;


using System.Text;


using MySql.Data.MySqlClient;


using System.Configuration;


using System.Data;




namespace testMSQL




...{


    class Program




    ...{


        static void Main(string[] args)




        ...{


            string connString = ConfigurationManager.ConnectionStrings["MySQL"].ConnectionString;




            using (MySqlConnection conn=new MySqlConnection(connString))




            ...{


                try




                ...{


                    MySqlCommand cmd = new MySqlCommand();




                    conn.Open();


                    cmd.Connection = conn;


                    cmd.CommandText="insert into tab (content) values(?content)";


                    cmd.CommandType = CommandType.Text; 


                    cmd.Parameters.AddWithValue("content", "test3");


                    


                    cmd.ExecuteNonQuery();




                }


                catch (Exception)




                ...{


                    


                    throw;


                }


            }


        }


    }


}