﻿<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>博客园-YJingLee's Blog-随笔分类-LINQ</title><link>http://www.cnblogs.com/lyj/category/113393.html</link><description>把握点点滴滴！</description><language>zh-cn</language><lastBuildDate>Sun, 15 Jun 2008 09:55:01 GMT</lastBuildDate><pubDate>Sun, 15 Jun 2008 09:55:01 GMT</pubDate><ttl>60</ttl><item><title>学习LINQ工具：LINQPad</title><link>http://www.cnblogs.com/lyj/archive/2008/04/17/1158509.html</link><dc:creator>李永京</dc:creator><author>李永京</author><pubDate>Thu, 17 Apr 2008 09:41:00 GMT</pubDate><guid>http://www.cnblogs.com/lyj/archive/2008/04/17/1158509.html</guid><wfw:comment>http://www.cnblogs.com/lyj/comments/1158509.html</wfw:comment><comments>http://www.cnblogs.com/lyj/archive/2008/04/17/1158509.html#Feedback</comments><slash:comments>18</slash:comments><wfw:commentRss>http://www.cnblogs.com/lyj/comments/commentRss/1158509.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/lyj/services/trackbacks/1158509.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: LINQPad 是一个很好的学习LINQ的工具，LINQPad 是完全免费的，无需安装，支持C# 3.0 和 Framework 3.5的全部功能，使用LINQ交互查询SQL数据库，无需SQL Management Studio。&nbsp;&nbsp;<a href='http://www.cnblogs.com/lyj/archive/2008/04/17/1158509.html'>阅读全文</a><img src ="http://www.cnblogs.com/lyj/aggbug/1158509.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://lyj.cnblogs.com/" target="_blank">李永京</a> 2008-04-17 17:41 <a href="http://www.cnblogs.com/lyj/archive/2008/04/17/1158509.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>LINQ可视化查询编辑器: VLinq</title><link>http://www.cnblogs.com/lyj/archive/2008/04/02/1135120.html</link><dc:creator>李永京</dc:creator><author>李永京</author><pubDate>Wed, 02 Apr 2008 12:43:00 GMT</pubDate><guid>http://www.cnblogs.com/lyj/archive/2008/04/02/1135120.html</guid><wfw:comment>http://www.cnblogs.com/lyj/comments/1135120.html</wfw:comment><comments>http://www.cnblogs.com/lyj/archive/2008/04/02/1135120.html#Feedback</comments><slash:comments>46</slash:comments><wfw:commentRss>http://www.cnblogs.com/lyj/comments/commentRss/1135120.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/lyj/services/trackbacks/1135120.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: <div style="float:left;text-align:center;font-size:9pt;color:teal;border:1px dotted teal;"><img alt="VLinq" src="http://lyj.cnblogs.com/images/cnblogs_com/lyj/LINQ/VLinqLogo.jpg"/><br/>VLinq</div><br/><br>大家学习LINQ是不是寻思写LINQ to SQL语句没有一个可视化的编程环境。Mitsu和他们的团队用了近一年的开发时间，在今天发布了VLinq（Visual Linq Query Builder，LINQ可视化查询编辑器）&nbsp;&nbsp;<a href='http://www.cnblogs.com/lyj/archive/2008/04/02/1135120.html'>阅读全文</a><img src ="http://www.cnblogs.com/lyj/aggbug/1135120.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://lyj.cnblogs.com/" target="_blank">李永京</a> 2008-04-02 20:43 <a href="http://www.cnblogs.com/lyj/archive/2008/04/02/1135120.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>LINQ体验(18)——LINQ to SQL语句之视图和继承支持</title><link>http://www.cnblogs.com/lyj/archive/2008/03/28/1128210.html</link><dc:creator>李永京</dc:creator><author>李永京</author><pubDate>Fri, 28 Mar 2008 13:19:00 GMT</pubDate><guid>http://www.cnblogs.com/lyj/archive/2008/03/28/1128210.html</guid><wfw:comment>http://www.cnblogs.com/lyj/comments/1128210.html</wfw:comment><comments>http://www.cnblogs.com/lyj/archive/2008/03/28/1128210.html#Feedback</comments><slash:comments>6</slash:comments><wfw:commentRss>http://www.cnblogs.com/lyj/comments/commentRss/1128210.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/lyj/services/trackbacks/1128210.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 在LINQ to SQL里支持视图和继承。在这篇文章具体介绍这两个方面，关于LINQ的更多内容请看<a target="_blank" href="http://www.cnblogs.com/lyj/archive/2008/03/24/1119671.html">LINQ体验系列</a>文章导航。&nbsp;&nbsp;<a href='http://www.cnblogs.com/lyj/archive/2008/03/28/1128210.html'>阅读全文</a><img src ="http://www.cnblogs.com/lyj/aggbug/1128210.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://lyj.cnblogs.com/" target="_blank">李永京</a> 2008-03-28 21:19 <a href="http://www.cnblogs.com/lyj/archive/2008/03/28/1128210.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>LINQ体验(17)——LINQ to SQL语句之动态查询</title><link>http://www.cnblogs.com/lyj/archive/2008/03/25/1122157.html</link><dc:creator>李永京</dc:creator><author>李永京</author><pubDate>Tue, 25 Mar 2008 14:47:00 GMT</pubDate><guid>http://www.cnblogs.com/lyj/archive/2008/03/25/1122157.html</guid><wfw:comment>http://www.cnblogs.com/lyj/comments/1122157.html</wfw:comment><comments>http://www.cnblogs.com/lyj/archive/2008/03/25/1122157.html#Feedback</comments><slash:comments>20</slash:comments><wfw:commentRss>http://www.cnblogs.com/lyj/comments/commentRss/1122157.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/lyj/services/trackbacks/1122157.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 有这样一个场景：应用程序可能会提供一个用户界面，用户可以使用该用户界面指定一个或多个谓词来筛选数据。这种情况在编译时不知道查询的细节，动态查询将十分有用。&nbsp;&nbsp;<a href='http://www.cnblogs.com/lyj/archive/2008/03/25/1122157.html'>阅读全文</a><img src ="http://www.cnblogs.com/lyj/aggbug/1122157.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://lyj.cnblogs.com/" target="_blank">李永京</a> 2008-03-25 22:47 <a href="http://www.cnblogs.com/lyj/archive/2008/03/25/1122157.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>LINQ体验系列文章导航</title><link>http://www.cnblogs.com/lyj/archive/2008/03/25/1119671.html</link><dc:creator>李永京</dc:creator><author>李永京</author><pubDate>Mon, 24 Mar 2008 16:05:00 GMT</pubDate><guid>http://www.cnblogs.com/lyj/archive/2008/03/25/1119671.html</guid><wfw:comment>http://www.cnblogs.com/lyj/comments/1119671.html</wfw:comment><comments>http://www.cnblogs.com/lyj/archive/2008/03/25/1119671.html#Feedback</comments><slash:comments>37</slash:comments><wfw:commentRss>http://www.cnblogs.com/lyj/comments/commentRss/1119671.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/lyj/services/trackbacks/1119671.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 本系列共三部分，第一部分讲述了Visual Studio 2008新特性，第二部分介绍了C# 3.0新语言特性和改进。第三部分开始讲解LINQ，先整体介绍了LINQ，再从LINQ to SQL语句入手贯穿了LINQ的精髓。<br>本文给出了本系列的导航。通过这个系列，您可以迅速入门LINQ。</span>&nbsp;&nbsp;<a href='http://www.cnblogs.com/lyj/archive/2008/03/25/1119671.html'>阅读全文</a><img src ="http://www.cnblogs.com/lyj/aggbug/1119671.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://lyj.cnblogs.com/" target="_blank">李永京</a> 2008-03-25 00:05 <a href="http://www.cnblogs.com/lyj/archive/2008/03/25/1119671.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>LINQ体验(16)——LINQ to SQL语句之DataContext</title><link>http://www.cnblogs.com/lyj/archive/2008/03/23/1118502.html</link><dc:creator>李永京</dc:creator><author>李永京</author><pubDate>Sun, 23 Mar 2008 07:25:00 GMT</pubDate><guid>http://www.cnblogs.com/lyj/archive/2008/03/23/1118502.html</guid><wfw:comment>http://www.cnblogs.com/lyj/comments/1118502.html</wfw:comment><comments>http://www.cnblogs.com/lyj/archive/2008/03/23/1118502.html#Feedback</comments><slash:comments>4</slash:comments><wfw:commentRss>http://www.cnblogs.com/lyj/comments/commentRss/1118502.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/lyj/services/trackbacks/1118502.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: DataContext作为LINQ to SQL框架的主入口点，为我们提供了一些方法和属性，本文用几个例子说明DataContext几个典型的应用。&nbsp;&nbsp;<a href='http://www.cnblogs.com/lyj/archive/2008/03/23/1118502.html'>阅读全文</a><img src ="http://www.cnblogs.com/lyj/aggbug/1118502.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://lyj.cnblogs.com/" target="_blank">李永京</a> 2008-03-23 15:25 <a href="http://www.cnblogs.com/lyj/archive/2008/03/23/1118502.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>LINQ体验(15)——LINQ to SQL语句之用户定义函数</title><link>http://www.cnblogs.com/lyj/archive/2008/03/19/1112356.html</link><dc:creator>李永京</dc:creator><author>李永京</author><pubDate>Tue, 18 Mar 2008 16:16:00 GMT</pubDate><guid>http://www.cnblogs.com/lyj/archive/2008/03/19/1112356.html</guid><wfw:comment>http://www.cnblogs.com/lyj/comments/1112356.html</wfw:comment><comments>http://www.cnblogs.com/lyj/archive/2008/03/19/1112356.html#Feedback</comments><slash:comments>4</slash:comments><wfw:commentRss>http://www.cnblogs.com/lyj/comments/commentRss/1112356.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/lyj/services/trackbacks/1112356.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 我们可以在LINQ to SQL中使用用户定义函数。只要把用户定义函数拖到O/R设计器中，LINQ to SQL自动使用FunctionAttribute属性和ParameterAttribute属性（如果需要）将其函数指定为方法。这时，我们只需简单调用即可。&nbsp;&nbsp;<a href='http://www.cnblogs.com/lyj/archive/2008/03/19/1112356.html'>阅读全文</a><img src ="http://www.cnblogs.com/lyj/aggbug/1112356.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://lyj.cnblogs.com/" target="_blank">李永京</a> 2008-03-19 00:16 <a href="http://www.cnblogs.com/lyj/archive/2008/03/19/1112356.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>LINQ体验(14)——LINQ to SQL语句之存储过程</title><link>http://www.cnblogs.com/lyj/archive/2008/03/17/1110374.html</link><dc:creator>李永京</dc:creator><author>李永京</author><pubDate>Mon, 17 Mar 2008 11:29:00 GMT</pubDate><guid>http://www.cnblogs.com/lyj/archive/2008/03/17/1110374.html</guid><wfw:comment>http://www.cnblogs.com/lyj/comments/1110374.html</wfw:comment><comments>http://www.cnblogs.com/lyj/archive/2008/03/17/1110374.html#Feedback</comments><slash:comments>29</slash:comments><wfw:commentRss>http://www.cnblogs.com/lyj/comments/commentRss/1110374.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/lyj/services/trackbacks/1110374.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 在我们编写程序中，往往需要一些存储过程，在LINQ to SQL中怎么使用呢？也许比原来的更简单些。下面我们以NORTHWND.MDF数据库中自带的几个存储过程来理解一下。&nbsp;&nbsp;<a href='http://www.cnblogs.com/lyj/archive/2008/03/17/1110374.html'>阅读全文</a><img src ="http://www.cnblogs.com/lyj/aggbug/1110374.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://lyj.cnblogs.com/" target="_blank">李永京</a> 2008-03-17 19:29 <a href="http://www.cnblogs.com/lyj/archive/2008/03/17/1110374.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>LINQ体验(13)——LINQ to SQL语句之运算符转换和ADO.NET与LINQ to SQL </title><link>http://www.cnblogs.com/lyj/archive/2008/03/13/1103893.html</link><dc:creator>李永京</dc:creator><author>李永京</author><pubDate>Thu, 13 Mar 2008 08:06:00 GMT</pubDate><guid>http://www.cnblogs.com/lyj/archive/2008/03/13/1103893.html</guid><wfw:comment>http://www.cnblogs.com/lyj/comments/1103893.html</wfw:comment><comments>http://www.cnblogs.com/lyj/archive/2008/03/13/1103893.html#Feedback</comments><slash:comments>13</slash:comments><wfw:commentRss>http://www.cnblogs.com/lyj/comments/commentRss/1103893.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/lyj/services/trackbacks/1103893.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: LINQ to SQL为我们提供了AsEnumerable、ToArray、ToList、ToDictionary方法可以把我们查询出来的IEnumerable&lt;T&gt类型转换成我们想要的形式。LINQ to SQL是ADO.NET 系列技术的一部分。它基于由ADO.NET提供程序模型提供的服务。因此，我们可以将LINQ to SQL代码与现有的ADO.NET应用程序混合在一起，将当前ADO.NET解决方案迁移到LINQ to SQL。 &nbsp;&nbsp;<a href='http://www.cnblogs.com/lyj/archive/2008/03/13/1103893.html'>阅读全文</a><img src ="http://www.cnblogs.com/lyj/aggbug/1103893.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://lyj.cnblogs.com/" target="_blank">李永京</a> 2008-03-13 16:06 <a href="http://www.cnblogs.com/lyj/archive/2008/03/13/1103893.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>LINQ体验(12)——LINQ to SQL语句之对象标识和对象加载</title><link>http://www.cnblogs.com/lyj/archive/2008/03/10/1098828.html</link><dc:creator>李永京</dc:creator><author>李永京</author><pubDate>Mon, 10 Mar 2008 07:11:00 GMT</pubDate><guid>http://www.cnblogs.com/lyj/archive/2008/03/10/1098828.html</guid><wfw:comment>http://www.cnblogs.com/lyj/comments/1098828.html</wfw:comment><comments>http://www.cnblogs.com/lyj/archive/2008/03/10/1098828.html#Feedback</comments><slash:comments>26</slash:comments><wfw:commentRss>http://www.cnblogs.com/lyj/comments/commentRss/1098828.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/lyj/services/trackbacks/1098828.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 本篇讨论一下LINQ to SQL语句的对象缓存功能和对象加载知识。对象加载包含延迟加载和立即加载。<br>在查询某对象时，实际上你只查询该对象。不会同时自动获取这个对象。这就是延迟加载。<br>LINQ to SQL 提供了DataLoadOptions用于立即加载对象。<br>熟练掌握它们，在我们编写程序中，对程序的性能有所提高。&nbsp;&nbsp;<a href='http://www.cnblogs.com/lyj/archive/2008/03/10/1098828.html'>阅读全文</a><img src ="http://www.cnblogs.com/lyj/aggbug/1098828.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://lyj.cnblogs.com/" target="_blank">李永京</a> 2008-03-10 15:11 <a href="http://www.cnblogs.com/lyj/archive/2008/03/10/1098828.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>LINQ体验(11)——LINQ to SQL语句之Null语义和String/DateTime方法</title><link>http://www.cnblogs.com/lyj/archive/2008/02/24/1079551.html</link><dc:creator>李永京</dc:creator><author>李永京</author><pubDate>Sun, 24 Feb 2008 09:13:00 GMT</pubDate><guid>http://www.cnblogs.com/lyj/archive/2008/02/24/1079551.html</guid><wfw:comment>http://www.cnblogs.com/lyj/comments/1079551.html</wfw:comment><comments>http://www.cnblogs.com/lyj/archive/2008/02/24/1079551.html#Feedback</comments><slash:comments>6</slash:comments><wfw:commentRss>http://www.cnblogs.com/lyj/comments/commentRss/1079551.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/lyj/services/trackbacks/1079551.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 这篇接着分享一下LINQ to SQL。<br>本篇用一些实例说明LINQ to SQL语句Null语义和String/DateTime方法。LINQ to SQL语句与SQL Server类型有些还是有些差异。&nbsp;&nbsp;<a href='http://www.cnblogs.com/lyj/archive/2008/02/24/1079551.html'>阅读全文</a><img src ="http://www.cnblogs.com/lyj/aggbug/1079551.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://lyj.cnblogs.com/" target="_blank">李永京</a> 2008-02-24 17:13 <a href="http://www.cnblogs.com/lyj/archive/2008/02/24/1079551.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>LINQ体验(10)——LINQ to SQL语句之开放式并发控制和事务</title><link>http://www.cnblogs.com/lyj/archive/2008/02/23/1078675.html</link><dc:creator>李永京</dc:creator><author>李永京</author><pubDate>Sat, 23 Feb 2008 05:04:00 GMT</pubDate><guid>http://www.cnblogs.com/lyj/archive/2008/02/23/1078675.html</guid><wfw:comment>http://www.cnblogs.com/lyj/comments/1078675.html</wfw:comment><comments>http://www.cnblogs.com/lyj/archive/2008/02/23/1078675.html#Feedback</comments><slash:comments>10</slash:comments><wfw:commentRss>http://www.cnblogs.com/lyj/comments/commentRss/1078675.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/lyj/services/trackbacks/1078675.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 从今天开始继续这个系列。今天简单的学习下开放式并发控制和事务的内容。&nbsp;&nbsp;<a href='http://www.cnblogs.com/lyj/archive/2008/02/23/1078675.html'>阅读全文</a><img src ="http://www.cnblogs.com/lyj/aggbug/1078675.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://lyj.cnblogs.com/" target="_blank">李永京</a> 2008-02-23 13:04 <a href="http://www.cnblogs.com/lyj/archive/2008/02/23/1078675.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>LINQ体验(9)——LINQ to SQL语句之Insert/Update/Delete操作</title><link>http://www.cnblogs.com/lyj/archive/2008/01/28/1056133.html</link><dc:creator>李永京</dc:creator><author>李永京</author><pubDate>Mon, 28 Jan 2008 06:03:00 GMT</pubDate><guid>http://www.cnblogs.com/lyj/archive/2008/01/28/1056133.html</guid><wfw:comment>http://www.cnblogs.com/lyj/comments/1056133.html</wfw:comment><comments>http://www.cnblogs.com/lyj/archive/2008/01/28/1056133.html#Feedback</comments><slash:comments>19</slash:comments><wfw:commentRss>http://www.cnblogs.com/lyj/comments/commentRss/1056133.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/lyj/services/trackbacks/1056133.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: Insert/Update/Delete操作，最为常用。但是我们在编程中，有一些注意的要点。在这一篇一一道来。&nbsp;&nbsp;<a href='http://www.cnblogs.com/lyj/archive/2008/01/28/1056133.html'>阅读全文</a><img src ="http://www.cnblogs.com/lyj/aggbug/1056133.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://lyj.cnblogs.com/" target="_blank">李永京</a> 2008-01-28 14:03 <a href="http://www.cnblogs.com/lyj/archive/2008/01/28/1056133.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>LINQ体验(8)——LINQ to SQL语句之Union All/Union/Intersect和Top/Bottom和Paging和SqlMethods</title><link>http://www.cnblogs.com/lyj/archive/2008/01/27/1054995.html</link><dc:creator>李永京</dc:creator><author>李永京</author><pubDate>Sun, 27 Jan 2008 05:46:00 GMT</pubDate><guid>http://www.cnblogs.com/lyj/archive/2008/01/27/1054995.html</guid><wfw:comment>http://www.cnblogs.com/lyj/comments/1054995.html</wfw:comment><comments>http://www.cnblogs.com/lyj/archive/2008/01/27/1054995.html#Feedback</comments><slash:comments>13</slash:comments><wfw:commentRss>http://www.cnblogs.com/lyj/comments/commentRss/1054995.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/lyj/services/trackbacks/1054995.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: Union All/Union/Intersect用于对两个集合的处理，例如追加、合并、取相同项、相交项等等<br>Take/Skip用于分页操作。提高系统性能。<br>SqlMethods为我们提供了方便，例如Like方法用于自定义通配表达式，Equals用于相比较是否相等。&nbsp;&nbsp;<a href='http://www.cnblogs.com/lyj/archive/2008/01/27/1054995.html'>阅读全文</a><img src ="http://www.cnblogs.com/lyj/aggbug/1054995.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://lyj.cnblogs.com/" target="_blank">李永京</a> 2008-01-27 13:46 <a href="http://www.cnblogs.com/lyj/archive/2008/01/27/1054995.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>LINQ体验(7)——LINQ to SQL语句之Group By/Having和Exists/In/Any/All/Contains</title><link>http://www.cnblogs.com/lyj/archive/2008/01/25/1052713.html</link><dc:creator>李永京</dc:creator><author>李永京</author><pubDate>Fri, 25 Jan 2008 02:55:00 GMT</pubDate><guid>http://www.cnblogs.com/lyj/archive/2008/01/25/1052713.html</guid><wfw:comment>http://www.cnblogs.com/lyj/comments/1052713.html</wfw:comment><comments>http://www.cnblogs.com/lyj/archive/2008/01/25/1052713.html#Feedback</comments><slash:comments>16</slash:comments><wfw:commentRss>http://www.cnblogs.com/lyj/comments/commentRss/1052713.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/lyj/services/trackbacks/1052713.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 这篇我们来讨论Group By/Having操作符和Exists/In/Any/All/Contains操作符。<br>Group By/Having操作符用于分组数据。<br>Exists/In/Any/All/Contains操作符用于判断集合中的元素满足某一条件。&nbsp;&nbsp;<a href='http://www.cnblogs.com/lyj/archive/2008/01/25/1052713.html'>阅读全文</a><img src ="http://www.cnblogs.com/lyj/aggbug/1052713.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://lyj.cnblogs.com/" target="_blank">李永京</a> 2008-01-25 10:55 <a href="http://www.cnblogs.com/lyj/archive/2008/01/25/1052713.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>LINQ in Action 电子书下载</title><link>http://www.cnblogs.com/lyj/archive/2008/01/24/1051807.html</link><dc:creator>李永京</dc:creator><author>李永京</author><pubDate>Thu, 24 Jan 2008 08:31:00 GMT</pubDate><guid>http://www.cnblogs.com/lyj/archive/2008/01/24/1051807.html</guid><wfw:comment>http://www.cnblogs.com/lyj/comments/1051807.html</wfw:comment><comments>http://www.cnblogs.com/lyj/archive/2008/01/24/1051807.html#Feedback</comments><slash:comments>48</slash:comments><wfw:commentRss>http://www.cnblogs.com/lyj/comments/commentRss/1051807.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/lyj/services/trackbacks/1051807.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 书名：LINQ in Action<br>作者：Fabrice Marguerie, Steve Eichert, Jim Wooley <br>出版日期：2008年1月15日 <br>出版社：Manning Publications&nbsp;&nbsp;<a href='http://www.cnblogs.com/lyj/archive/2008/01/24/1051807.html'>阅读全文</a><img src ="http://www.cnblogs.com/lyj/aggbug/1051807.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://lyj.cnblogs.com/" target="_blank">李永京</a> 2008-01-24 16:31 <a href="http://www.cnblogs.com/lyj/archive/2008/01/24/1051807.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>LINQ体验(6)——LINQ to SQL语句之Join和Order By</title><link>http://www.cnblogs.com/lyj/archive/2008/01/24/1051495.html</link><dc:creator>李永京</dc:creator><author>李永京</author><pubDate>Thu, 24 Jan 2008 06:01:00 GMT</pubDate><guid>http://www.cnblogs.com/lyj/archive/2008/01/24/1051495.html</guid><wfw:comment>http://www.cnblogs.com/lyj/comments/1051495.html</wfw:comment><comments>http://www.cnblogs.com/lyj/archive/2008/01/24/1051495.html#Feedback</comments><slash:comments>13</slash:comments><wfw:commentRss>http://www.cnblogs.com/lyj/comments/commentRss/1051495.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/lyj/services/trackbacks/1051495.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 本篇讲述Join操作符和Order By操作符。<br>在表关系中有一对一关系，一对多关系，多对多关系等。对各个表之间的关系，就用Join实现对多个表的操作。<br>Order By就是按指定的表达式对查询出来的集合进行排序。&nbsp;&nbsp;<a href='http://www.cnblogs.com/lyj/archive/2008/01/24/1051495.html'>阅读全文</a><img src ="http://www.cnblogs.com/lyj/aggbug/1051495.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://lyj.cnblogs.com/" target="_blank">李永京</a> 2008-01-24 14:01 <a href="http://www.cnblogs.com/lyj/archive/2008/01/24/1051495.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>LINQ体验(5)——LINQ to SQL语句之Select/Distinct和Count/Sum/Min/Max/Avg</title><link>http://www.cnblogs.com/lyj/archive/2008/01/23/1049686.html</link><dc:creator>李永京</dc:creator><author>李永京</author><pubDate>Wed, 23 Jan 2008 02:30:00 GMT</pubDate><guid>http://www.cnblogs.com/lyj/archive/2008/01/23/1049686.html</guid><wfw:comment>http://www.cnblogs.com/lyj/comments/1049686.html</wfw:comment><comments>http://www.cnblogs.com/lyj/archive/2008/01/23/1049686.html#Feedback</comments><slash:comments>16</slash:comments><wfw:commentRss>http://www.cnblogs.com/lyj/comments/commentRss/1049686.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/lyj/services/trackbacks/1049686.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 上一篇讲述了LINQ，这篇开始我们继续说LINQ to SQL语句。本篇详细讲解Select操作符和Count/Sum/Min/Max/Avg操作符。<br>Select操作符和SQL命令中的select作用相似但位置不同<br>Count/Sum/Min/Max/Avg操作符用于统计数据，比如统计数据的个数，求和，最小值，最大值，平均数。&nbsp;&nbsp;<a href='http://www.cnblogs.com/lyj/archive/2008/01/23/1049686.html'>阅读全文</a><img src ="http://www.cnblogs.com/lyj/aggbug/1049686.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://lyj.cnblogs.com/" target="_blank">李永京</a> 2008-01-23 10:30 <a href="http://www.cnblogs.com/lyj/archive/2008/01/23/1049686.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>LINQ体验(4)——LINQ简介和LINQ to SQL语句之Where</title><link>http://www.cnblogs.com/lyj/archive/2008/01/20/1046196.html</link><dc:creator>李永京</dc:creator><author>李永京</author><pubDate>Sun, 20 Jan 2008 06:08:00 GMT</pubDate><guid>http://www.cnblogs.com/lyj/archive/2008/01/20/1046196.html</guid><wfw:comment>http://www.cnblogs.com/lyj/comments/1046196.html</wfw:comment><comments>http://www.cnblogs.com/lyj/archive/2008/01/20/1046196.html#Feedback</comments><slash:comments>22</slash:comments><wfw:commentRss>http://www.cnblogs.com/lyj/comments/commentRss/1046196.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/lyj/services/trackbacks/1046196.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 通过前面3篇的了解，对Visual Studio 2008的新特性和C# 3.0新语言特性有了初步的了解。 <br>本篇开始介绍LINQ，从LINQ to SQL语句的讲解来贯穿LINQ的精髓。先从整体了解LINQ。再从LINQ to SQL语句入手&nbsp;&nbsp;<a href='http://www.cnblogs.com/lyj/archive/2008/01/20/1046196.html'>阅读全文</a><img src ="http://www.cnblogs.com/lyj/aggbug/1046196.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://lyj.cnblogs.com/" target="_blank">李永京</a> 2008-01-20 14:08 <a href="http://www.cnblogs.com/lyj/archive/2008/01/20/1046196.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>LINQ体验(3)——C# 3.0新语言特性和改进(下篇)</title><link>http://www.cnblogs.com/lyj/archive/2008/01/12/1035887.html</link><dc:creator>李永京</dc:creator><author>李永京</author><pubDate>Fri, 11 Jan 2008 16:53:00 GMT</pubDate><guid>http://www.cnblogs.com/lyj/archive/2008/01/12/1035887.html</guid><wfw:comment>http://www.cnblogs.com/lyj/comments/1035887.html</wfw:comment><comments>http://www.cnblogs.com/lyj/archive/2008/01/12/1035887.html#Feedback</comments><slash:comments>18</slash:comments><wfw:commentRss>http://www.cnblogs.com/lyj/comments/commentRss/1035887.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/lyj/services/trackbacks/1035887.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 系列的第三篇，此篇从C# 3.0新语言特性和改进入手，让大家对C# 3.0新语言特性有整体的了解。<br>本篇介绍：扩展方法(Extension Methods)、Lambda表达式和Lambda表达式树 (Lambda Expression and Lambda Expression Trees)<br>&nbsp;&nbsp;<a href='http://www.cnblogs.com/lyj/archive/2008/01/12/1035887.html'>阅读全文</a><img src ="http://www.cnblogs.com/lyj/aggbug/1035887.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://lyj.cnblogs.com/" target="_blank">李永京</a> 2008-01-12 00:53 <a href="http://www.cnblogs.com/lyj/archive/2008/01/12/1035887.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>LINQ体验(2)——C# 3.0新语言特性和改进(上篇)</title><link>http://www.cnblogs.com/lyj/archive/2008/01/08/1030525.html</link><dc:creator>李永京</dc:creator><author>李永京</author><pubDate>Tue, 08 Jan 2008 07:41:00 GMT</pubDate><guid>http://www.cnblogs.com/lyj/archive/2008/01/08/1030525.html</guid><wfw:comment>http://www.cnblogs.com/lyj/comments/1030525.html</wfw:comment><comments>http://www.cnblogs.com/lyj/archive/2008/01/08/1030525.html#Feedback</comments><slash:comments>21</slash:comments><wfw:commentRss>http://www.cnblogs.com/lyj/comments/commentRss/1030525.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/lyj/services/trackbacks/1030525.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 从C# 3.0新语言特性和改进入手，让大家对C# 3.0新语言特性有整体的了解，为LINQ打下基础。<br>本篇介绍：自动属性(Auto-Implemented Properties)、隐含类型局部变量(Local Variable Type Inference)、匿名类型(Anonymous Types)、对象与集合初始化器(Object and Collection Initializers)&nbsp;&nbsp;<a href='http://www.cnblogs.com/lyj/archive/2008/01/08/1030525.html'>阅读全文</a><img src ="http://www.cnblogs.com/lyj/aggbug/1030525.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://lyj.cnblogs.com/" target="_blank">李永京</a> 2008-01-08 15:41 <a href="http://www.cnblogs.com/lyj/archive/2008/01/08/1030525.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>LINQ体验(1)——Visual Studio 2008新特性</title><link>http://www.cnblogs.com/lyj/archive/2008/01/06/1027646.html</link><dc:creator>李永京</dc:creator><author>李永京</author><pubDate>Sun, 06 Jan 2008 02:56:00 GMT</pubDate><guid>http://www.cnblogs.com/lyj/archive/2008/01/06/1027646.html</guid><wfw:comment>http://www.cnblogs.com/lyj/comments/1027646.html</wfw:comment><comments>http://www.cnblogs.com/lyj/archive/2008/01/06/1027646.html#Feedback</comments><slash:comments>23</slash:comments><wfw:commentRss>http://www.cnblogs.com/lyj/comments/commentRss/1027646.html</wfw:commentRss><trackback:ping>http://www.cnblogs.com/lyj/services/trackbacks/1027646.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 开始LINQ体验系列，作为开篇从Visual Studio 2008的新特性开始。其包括.NET Framework 对重定向的支持；ASP.NET AJAX和JavaScript智能客户端支持；全新的Web开发新体验：Web设计器提供了分割视图编辑、嵌套母板页、以及强大的CSS编辑器集成；编程语言方面的改进和LINQ；浏览.NET Framework库源码；智能部署ClickOnce；.NET Framework 3.5 增强功能；集成对Office (VSTO)和Sharepoint 2007开发的支持；在Windows Server 2008, Windows Vista 和Microsoft Office 2007下最好的开发工具集；单元测试功能，所有的Visual Studio专业版本都支持单元测试功能等等。&nbsp;&nbsp;<a href='http://www.cnblogs.com/lyj/archive/2008/01/06/1027646.html'>阅读全文</a><img src ="http://www.cnblogs.com/lyj/aggbug/1027646.html?type=1" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://lyj.cnblogs.com/" target="_blank">李永京</a> 2008-01-06 10:56 <a href="http://www.cnblogs.com/lyj/archive/2008/01/06/1027646.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item></channel></rss>