摘要：
相信使用过ADO.NET的同志多半都见过这个exception吧： There is already an open DataReader associated with this Command which must be closed first. 抛出这个exception的主要原因是：一个SqlConnection只能和一个开着的SqlDataReader相关联。当开发人员忘记关掉打开的S... 阅读全文
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一周最新示例代码回顾 (5/14–5/20)
2012-05-21 10:17 by Jialiang, 1560 阅读, 收藏,
摘要：
回顾上周微软一站式示例代码库最新发布的7篇示例代码：[Sample of May 20th] Make ASP.NET GridView items single-selectable using RadioButton 该示例演示如何使ASP.NET GridView中的item可以通过RadioButton进行单选。[Sample of May 19th] User Session Expiration Alert in ASP.NET 该示例演示如何在ASP.NET中当用户session过期时发出一个alert。[Sample of May 18th] Handler to Sy... 阅读全文
一周最新示例代码回顾 (4/23–4/29)
2012-05-01 00:20 by Jialiang, 1559 阅读, 收藏,
摘要：
回顾上周微软一站式示例代码库最新发布的7篇示例代码：[Sample of Apr 29th] Add Dynamic Controls to ASP.NET GridView 该示例代码演示如何在ASP.NET GridView控件中动态添加控件[Sample of Apr 28th] Keep ASP.NET AutoComplete List Open 该实例演示如何保持ASP.NET AutoComplete列表一直打开[Sample of Apr 27th] Customized Intelligent TextBox via ASP.NET 该实例演示如何在ASP.NET中实现智能输 阅读全文
一周最新示例代码回顾 (4/30–5/6)
2012-05-07 10:53 by Jialiang, 1536 阅读, 收藏,
摘要：
回顾上周微软一站式示例代码库最新发布的7篇示例代码：[Sample of May 6th] Customize Outlook UI with Ribbon XML 该示例演示如何通过Ribbon XML定制 Outlook 界面[Sample of May 5th] Use XPath to read XML 该示例演示如何使用XPath读取XML文件[Sample of May 4th] Crop the image from Windows Forms PictureBox control 该示例演示在windows forms 的PictureBox控件上对图片进行切割... 阅读全文
一周最新示例代码回顾 (7/16 - 7/22)
2012-07-23 11:27 by Jialiang, 1494 阅读, 收藏,
摘要：
回顾上周微软一站式示例代码库最新发布的7篇示例代码：[Sample of July 22nd] VSTO Excel workbook customization 该实例演示如何使用VSTO定制Excel工作簿[Sample of July 21st] Windows Forms single instance application 该示例演示如何创建只允许运行单个进程的Windows Forms应用程序[Sample of July 20th] Named-pipe communication for IPC 该示例演示如何在.NET中通过命名管道实现进程间通信。[Sample of Ju 阅读全文
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