savechanges

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How to rollback a transaction in Entity Framework

string[] usersToAdd = new string[] { \"asd\", \"asdert\", \"gasdff6\" }; using (Entities context = new Entities())[详细]

2023-03-19 02:12 分类：问答
EF4/WCF SaveChanges() Best Practice

This is how we implement a generic Save() service in WCF for our EF entities. A TT does the work for us. Even though we don\'t have any problems with it, I hate to assume this is the best approach (ev[详细]

2023-03-14 21:02 分类：问答
Entity Framework SaveChanges() first call is very slow

I appreciate that this issue has been raised a couple of times before, but I can\'t find a definitive answer (maybe there isn\'t one!).开发者_JAVA技巧[详细]

2023-03-13 22:07 分类：问答
Entity framework SaveChanges() in a different DbContext inserting unnecessary rows

my supermarket model contains a StockItem class and an Alert class which contains a StockItem field: public class StockItem[详细]

2023-03-08 09:45 分类：问答
Ignore optional columns on save

When I update a table from a Form through Autogenerated EF, if I remove some data-columns from the view form because I don\'t want to be editable, that columns are updated with null value, how can avo[详细]

2023-03-07 20:33 分类：问答
python, saving changes made to an imported module

I have a situation where users can pick another method from another clases and use it in thier own class using the .im_func.i give an example below[详细]

2023-02-28 02:06 分类：问答
Assigning ids to entities with EntityFramework 4

I\'d like to implement \"default\" Id generation support for my entities. When saving the entity, I\'d like EntityFramework to only generate the id value for the Entity if it\'s not already set. If t[详细]

2023-02-24 00:22 分类：问答
EntityFramework show entities before saving changes

Entity Framework ObjectSet with its method ToList shows just saved entities. That means, when I call context.AddToCustomers(myNewCust);[详细]

2023-02-20 00:17 分类：问答
Is it possible to save changes in Firebug locally?

What I\'m trying to do is to save the changes I make to CSS and HTML on different sites with Firebug.[详细]

2023-01-31 05:12 分类：问答
SaveChanges() doesn't work?

I have the following code: User user = new User(); user.Name = \"ABC\"; user.Age = \"12\"; _context.AddToUser(user);[详细]

2023-01-28 08:31 分类：问答