LINQ查询插入更新操作 [英] LINQ Query For Insert Update Operation

问题描述

我需要了解使用Linq中的Data上下文在一个函数中进行更新和插入查询是什么.请帮助我

I need to know what are the update and insert query in one single function using Data context in Linq..Please help me

推荐答案

请点击以下链接，

LINQ to SQL [ LINQ to SQL:所有常见操作(插入，更新，删除，获取) [ ^ ]
http://www.west-wind. com/weblog/posts/2008/Feb/05/Linq-to-SQL-DataContext-Lifetime-Management [ http://weblogs.asp.net/scottgu/archive/2007/05/19/using-linq-to-sql-part-1.aspx [ 检查operationMode值，可以使用适当的调用进行插入和更新.

这将给您一个不错的主意，让您自己开始.

欢呼

Please follow the links below,

LINQ to SQL[^]
LINQ to SQL: All common operations (Insert, Update, Delete, Get) in one base class[^]
http://www.west-wind.com/weblog/posts/2008/Feb/05/Linq-to-SQL-DataContext-Lifetime-Management[^]
http://weblogs.asp.net/scottgu/archive/2007/05/19/using-linq-to-sql-part-1.aspx[^]

For calling a single function, add one extra input parameter "operationMode" Add/Edit.
Checking the operationMode value, you can use the appropriate calling for insert and update.

This will give you fair idea to start on your own.

cheers

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