ado.net-entity-data-model

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how to skip object when submitchanges in ado.net

I\'m using ado.net entity data model. I have 2 object User Organization My problem is User user=new User();[详细]

2023-01-23 22:51 分类：问答
ADO.Net Entity Data Model does not appear in Add Item List

I am going to start working with Entity framework but the problem is my Visual Studio 2008 Does not showing ADO.开发者_开发知识库Net Entity Data Model in Items list.[详细]

2023-01-22 08:22 分类：问答
ADO.NET Entity Framework SaveChanges is not working

I have a .NET 4 WinForms app that uses the ADO.NET Entity Framework. Some code that was working perfectly has decided to stop working and although I\'ve tried to figure out what changed that could cau[详细]

2023-01-22 05:52 分类：问答
How do I create a stored procedure with Entity Framework?

I read an old MSDN Forums post a开发者_Go百科bout Entity Framework where Julie Lerman stated: wrt Stored Procedures. This is even[详细]

2023-01-19 19:50 分类：问答
Entity Framework 4: Does it make sense to create a single diagram for all entities?

I wrote a few assumptions regarding Entity Framework, then a few questions (so please correct where I am wrong).I am trying to use POCOs with EF 4.[详细]

2023-01-18 17:12 分类：问答
WCF DataService Data Retrieve Issue

I\'m using .net 4.0 (Visual Studio 2008). We are using WCF DataService, through this we are able to update the data. While calling UpdateObject(..) method its working fine and its been updated to data[详细]

2023-01-18 09:23 分类：问答
Table foreign key / association to itself?

I\'ve got a table that stores inventory for a store that looks like this InventoryIdint ParentIdint ShortDescint[详细]

2023-01-17 14:43 分类：问答
Problems with EDM associations

I\'m making an OData service and using an EDM to map the structure of my database and specify associations between tables and create Navigation Properties.[详细]

2023-01-17 12:33 分类：问答
Forcing a bridge/join table to become a many to many relationship in EF4

I have a simple database with 2 main tables with a many to many relationship through a 3rd bridge/join table.[详细]

2023-01-16 10:23 分类：问答
ADO.NET Entity Framework - Composite primary key CRUD

i have following entities as you see BudgetPost has a composite primary key which is a foreign keys to entities Category and Budget. My question is what is the best way to make CRUD? Is there any wa[详细]

2023-01-15 23:29 分类：问答