参考这个网站:
http://www.connectionstrings.com/

解决方案 »

  1.   

    SqlConnection conn;
    conn=new SqlConnection("SERVER=计算机名"+
    ";UID=Sa"+
    ";password="+ ";persist security info=False;initial catalog=“数据库”)"
    conn.Open();
      

  2.   

    SqlConnection conn=new SqlConnection("user id=sa;pwd=sa;data source=ServerName;initial catalog=DataBaseName"
      

  3.   

    (1)装MyODBC,然后通过OleDBConnection 连接
    (2)使用ADO.NET Provider for MySQL 
         http://crlab.com/mysqlnet/
      

  4.   

    using eInfoDesigns.dbProvider.MySqlClient;
    MySqlConnection oMySqlConn = new MySqlConnection();
    oMySqlConn.ConnectionString = "my connectionstring";
    oMySqlConn.Open();
      

  5.   

    http://blog.joycode.com/5drush/articles/10705.aspx