10 2011 档案
摘要：Why compiled views?First of all I prefer VS.NET to compile the cshtml code at build time because it will notice syntax errors like on any .cs file. Syntax errors are most important when I have to do a quick check-in of all my sources to repository and I need to make sure I will not crash the next te
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摘要：http://msdn.microsoft.com/en-us/library/bb738523.aspxThis topic provides an example of how to define a transaction that coordinates making changes to objects in an object context with other external operations. For more information, see Managing Connections and Transactions. The example in this t...
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摘要：Most of the time the Entity Framework (EF) can manage transactions for you. Every time you Add an Entity, Delete an Entity, Change an Entity, Create a Relationship or Delete a Relationship in your .NET code, these changes are remembered by the EF, and when you call SaveChanges()these are convert...
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摘要：在Entity Framework 中使用SaveChanges()是很频繁的，单次修改或删除数据后调用SaveChanges()返回影响记录数。要使用批量修改或者批量删除数据，就需要SaveChanges(false)+AcceptAllChanges()方法了。SaveChanges(false) 只是通知EF需要对数据库执行的操作，在内存中是属于挂起状态，在必要的时候是可以撤销的，比如AcceptAllChange()提交为真正成功，EF将撤销SaveChanges(false)的操作。而在处理分布式事务操作的时候，就有必要使用TransactionScope 来处理了，很多时候我们会这
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摘要：继续为想使用Entity Framework的朋友在前面探路，分享的东西虽然技术含量不高，但都是经过实践检验的。在Entity Framework中使用事务很简单，将操作放在TransactionScope中，并通过Complete()方法提交事务即可。示例代码如下：using (BlogDbContext context = new BlogDbContext()){ using (TransactionScope transaction = new TransactionScope()) { context.BlogPosts.Add(blogPost); ...
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摘要：Entity Framework
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