EF执行存储过程返回DataSet

 public static System.Collections.Generic.IEnumerable<TElement> RunSP<TElement>(this Database self, string spName, params SqlParameter[] paras)
        {
            System.Collections.Generic.IEnumerable<TElement> entityList = new System.Collections.Generic.List<TElement>();
            DataSet set = self.RunSP(spName, paras);
            if ((set != null) && (set.Tables.get_Count() >= 1))
            {
                entityList = EntityHelper.GetEntityList<TElement>(set.Tables.get_Item(0));
            }
            return entityList;
        }

        public static DataSet RunSP(this Database self, string spName, params SqlParameter[] paras)
        {
            if (paras != null)
            {
                SqlParameter[] parameterArray = paras;
                for (int i = 0; i < parameterArray.Length; i = (int) (i + 1))
                {
                    SqlParameter parameter = parameterArray[i];
                    if (parameter.get_Value() == null)
                    {
                        parameter.set_Value(System.DBNull.Value);
                    }
                }
            }
            SqlDataAdapter adapter = new SqlDataAdapter();
            SqlConnection connection = self.Connection as SqlConnection;
            using (SqlCommand command = new SqlCommand(spName, connection))
            {
                adapter.set_SelectCommand(command);
                command.set_CommandType(CommandType.StoredProcedure);
                if (paras != null)
                {
                    SqlParameter[] parameterArray2 = paras;
                    for (int j = 0; j < parameterArray2.Length; j = (int) (j + 1))
                    {
                        SqlParameter parameter2 = parameterArray2[j];
                        command.Parameters.Add(parameter2);
                    }
                }
                DataSet set = new DataSet();
                adapter.Fill(set);
                adapter.SelectCommand.Parameters.Clear();
                return set;
            }
        }

        public static DataSet RunSP(this Database self, string spName, SqlTransaction tran, params SqlParameter[] paras)
        {
            if (paras != null)
            {
                SqlParameter[] parameterArray = paras;
                for (int i = 0; i < parameterArray.Length; i = (int) (i + 1))
                {
                    SqlParameter parameter = parameterArray[i];
                    if (parameter.get_Value() == null)
                    {
                        parameter.set_Value(System.DBNull.Value);
                    }
                }
            }
            SqlDataAdapter adapter = new SqlDataAdapter();
            SqlConnection connection = self.Connection as SqlConnection;
            using (SqlCommand command = new SqlCommand(spName, connection))
            {
                if (tran != null)
                {
                    command.set_Transaction(tran);
                }
                adapter.set_SelectCommand(command);
                command.set_CommandType(CommandType.StoredProcedure);
                if (paras != null)
                {
                    SqlParameter[] parameterArray2 = paras;
                    for (int j = 0; j < parameterArray2.Length; j = (int) (j + 1))
                    {
                        SqlParameter parameter2 = parameterArray2[j];
                        command.Parameters.Add(parameter2);
                    }
                }
                DataSet set = new DataSet();
                adapter.Fill(set);
                adapter.SelectCommand.Parameters.Clear();
                return set;
            }
        }

        public static System.Collections.Generic.IEnumerable<TElement> RunSql<TElement>(this Database self, string command, params SqlParameter[] paras)
        {
            System.Collections.Generic.IEnumerable<TElement> entityList = new System.Collections.Generic.List<TElement>();
            DataSet set = self.RunSql(command, paras);
            if ((set != null) && (set.Tables.get_Count() >= 1))
            {
                entityList = EntityHelper.GetEntityList<TElement>(set.Tables.get_Item(0));
            }
            return entityList;
        }

        public static DataSet RunSql(this Database self, string command, params SqlParameter[] paras)
        {
            if (paras != null)
            {
                SqlParameter[] parameterArray = paras;
                for (int i = 0; i < parameterArray.Length; i = (int) (i + 1))
                {
                    SqlParameter parameter = parameterArray[i];
                    if (parameter.get_Value() == null)
                    {
                        parameter.set_Value(System.DBNull.Value);
                    }
                }
            }
            SqlDataAdapter adapter = new SqlDataAdapter();
            SqlConnection connection = self.Connection as SqlConnection;
            using (SqlCommand command2 = new SqlCommand(command, connection))
            {
                command2.set_CommandType(CommandType.Text);
                if (paras != null)
                {
                    SqlParameter[] parameterArray2 = paras;
                    for (int j = 0; j < parameterArray2.Length; j = (int) (j + 1))
                    {
                        SqlParameter parameter2 = parameterArray2[j];
                        command2.Parameters.Add(parameter2);
                    }
                }
                adapter.set_SelectCommand(command2);
                DataSet set = new DataSet();
                adapter.Fill(set);
                adapter.SelectCommand.Parameters.Clear();
                return set;
            }
        }

        public static DataSet RunSql(this Database self, string command, SqlTransaction tran, params SqlParameter[] paras)
        {
            if (paras != null)
            {
                SqlParameter[] parameterArray = paras;
                for (int i = 0; i < parameterArray.Length; i = (int) (i + 1))
                {
                    SqlParameter parameter = parameterArray[i];
                    if (parameter.get_Value() == null)
                    {
                        parameter.set_Value(System.DBNull.Value);
                    }
                }
            }
            SqlDataAdapter adapter = new SqlDataAdapter();
            SqlConnection connection = self.Connection as SqlConnection;
            using (SqlCommand command2 = new SqlCommand(command, connection))
            {
                if (tran != null)
                {
                    command2.set_Transaction(tran);
                }
                command2.set_CommandType(CommandType.Text);
                if (paras != null)
                {
                    SqlParameter[] parameterArray2 = paras;
                    for (int j = 0; j < parameterArray2.Length; j = (int) (j + 1))
                    {
                        SqlParameter parameter2 = parameterArray2[j];
                        command2.Parameters.Add(parameter2);
                    }
                }
                adapter.set_SelectCommand(command2);
                DataSet set = new DataSet();
                adapter.Fill(set);
                adapter.SelectCommand.Parameters.Clear();
                return set;
            }
        }