本文转自:http://entityframework.net/improve-ef-add-performance When you overuse the Add() method for multiple entities, your application suffers from performance issues.           1 using (var ctx = new CustomerContext()) 2 { 3 foreach(var line in lines)…

好久没写博客了,终于憋出了一个大招,现在总结下. 虽然文章题目是针对EF的,但涉及的内容不仅仅是EF. 场景介绍 目前在做的一个项目,行业门户,项目部分站点按域名划分如下: user.xxx.com:用户登陆注册 owner.xxx.com:个人用户后台 company.xxx.com:企业后台 manage.xxx.com:网站管理 其中user.xxx.com为个人用户及企业用户登陆入口, manage.xxx.com/login为网站管理后台登陆入口. 四个项目都是mvc4+ef6+aut…

This article shows how to access MongoDB data using an Entity Framework code-first approach. Entity Framework 6 is available in .NET 4.5 and above. Entity Framework is an object-relational mapping framework that can be used to work with data as objec…

虽然文章题目是针对EF的,但涉及的内容不仅仅是EF. 场景介绍 目前在做的一个项目,行业门户,项目部分站点按域名划分如下: user.xxx.com:用户登陆注册 owner.xxx.com:个人用户后台 company.xxx.com:企业后台 manage.xxx.com:网站管理 其中user.xxx.com为个人用户及企业用户登陆入口,manage.xxx.com/login为网站管理后台登陆入口. 四个项目都是mvc4+ef6+autofac+automapper. 补充信息: .ne…

Performance Considerations for Entity Framework 4, 5, and 6 https://msdn.microsoft.com/en-sg/data/hh949853.aspx…

[自己的解决方案]数据量大时,可显著提升用户使用体验! 1.Root ListView 参考官方的E1554 点击导航菜单后首先跳出查询条件设置窗体进行设置 可设置查询方案或查询方案的查询条件,排序字段.排序方向,是否只查询前1000条. 2.LookupListView 可设置 TopReturnedObjects = 600 3.Code:http://pan.baidu.com/s/1o8MVKkq  密码:qfmv [官方方案] https://www.devexpress.com/Su…

Improve response times and handle more users with parallel processing Building a web application using non blocking calls to the data layer is a great way to increase the scalability of your system. Performing a task asynchronously frees up the worke…

Entity Framework是.NET平台下的一种简单易用的ORM框架,它既便于Domain Model和持久层的OO设计,也提高了代码的可维护性.但在使用中发现,有几类业务场景是EF不太擅长的,比如批量写入大量同类数据,为此本人做了一些对比测试,以供大家参考. 现假设我们需要做一个用户批量导入的功能,需要从某处导入1k~1w个User到SQLServer数据库,本人听说过的常见做法有如下几种: 使用ADO.NET单条SqlCommand执行1w次(根据常识作为EF的替代其性能还不够格,所以…

第8章 Code First将走向哪里? So far, this book has covered all of the Code First components that reached their final release at the time of writing. There are, however, some notable features that are still in preview at this time that you should be aware of.…

第7章 高级概念 The Code First modeling functionality that you have seen so far should be enough to get you up and running with most applications. However, Code First also includes some more advanced functionality that you may require as your needs advance.…