CSFramework.EF 数据库框架 - 测试异步方法 (Async)

        private void button2_Click(object sender, EventArgs e)
        {
            //
            //测试异步方法，www.csframework.com
            //
            var config = GetConfig("WebApiSystem");
            IDatabase db = DatabaseFactory.GetDatabase(config);

            _NewCustomers.Clear();

            //测试异步
            Task.Run(() =>
            {
                DoTestAsync(db);
            }).Wait();

        }

        private async Task<String> DoTestAsync(IDatabase db)
        {
            var result = "";

            _NewCustomers.Clear();

            result += await db.AddAsync<Test_Customer>(NewCustomer());
            result += await db.AddAsync<Test_Customer>(NewCustomer());
            result += await db.AddAsync<Test_Customer>(NewCustomerList());
            result += await db.AddAsync<Test_Customer>(NewCustomerList());
            result += await db.ExecuteSqlAsync("select 1 from Test_Customer;");
            result += await db.RemoveAsync<Test_Customer>(_NewCustomers[0]);
            result += await db.RemoveAsync<Test_Customer>(new List<Test_Customer> { _NewCustomers[1], _NewCustomers[2] });

            var obj = _NewCustomers[3];
            obj.NativeName = "Async修改了：" + obj.NativeName;
            result += db.UpdateAsync<Test_Customer>(obj).Result;

            await db.RunTransactionAsync(() =>
             {
                 //edit
                 obj = _NewCustomers[4];
                 obj.NativeName = "RunTransactionAsync修改了：" + obj.NativeName;
                 result += db.Update<Test_Customer>(obj);

                 //remove
                 result += db.Remove(_NewCustomers[5]);

                 result += db.Add<Test_Customer>(NewCustomer());

                 return Task.CompletedTask;
             });


            //获取本次Test的对象
            var isid = _NewCustomers.Select(s => s.isid).ToList();
            var listResult = db.GetQueryable<Test_Customer>().Where(w => isid.Contains(w.isid)).ToList();

            this.Invoke(new OnShowGridAsync(this.ShowGrid), listResult, result);

            return result;
        }