PetaPoco与MySQL

public class BaseViewModel
    {
        #region Create DataBase, if not exit
        private Database _db;
        private Database Db
        {
            get
            {
                if (_db == null)
                    _db = new Database("ConnectionStringMySQL");
                return _db;
            }
        }
        #endregion

        #region Common CURD

        public T Get<T>(string id)
        {
            return Db.SingleOrDefault<T>(id);
        }

        public List<T> GetAll<T>()
        {
            var className = typeof(T).ToString();
            var arg = className.Substring(
                className.LastIndexOf(‘.‘) + 1,
                className.Length - className.LastIndexOf(‘.‘) - 1);

            return Db.Fetch<T>(string.Format("SELECT * from {0}; ", arg));
        }

        public void Save(object obj)
        {
            Db.Save(obj);
        }

        public int Update(object obj)
        {
            return Db.Update(obj);
        }

        public int Delete(object obj)
        {
            return Db.Delete(obj);
        }

        #endregion
    } 

<add name="ConnectionStringMySQL" 
             connectionString="Server=localhost;Database=AutoApp;Uid=root;Pwd=root;charset=utf8;pooling=true;"  
             providerName="MySql.Data.MySqlClient"/>