edmx
How to programatically generate CSDL or EDMX from a set of existing POCO objects
I\'d like to simulate what WCF Data Services does with it\'s \"$metadata\" tag... that is, send a CSDL document that describes an existing set of objects that may (or may not) be part of an Entity Fra[详细]
2023-01-24 05:21 分类:问答Entity data model, unique index
In my entity data model I have an entity with one property as the primary key and another property that will have unique values too, so I’d like to create a unique index on that 开发者_开发技巧other[详细]
2023-01-21 17:54 分类:问答Update existing EntityCollection in Entity Framework
I try to work with link to entity, and i want to work directly with my entity in my application. using System;[详细]
2023-01-21 08:15 分类:问答Entity Designer Database Generation Power Pack generates datetime and not datetime2 for ProviderManifestToken = 2008
Im having trouble with the DDL-generation from EDMX using the \"Entity De开发者_开发知识库signer Database Generation Power Pack\" add-on. It generates datetime-columns instead on datetime2 even though[详细]
2023-01-20 08:25 分类:问答importing a pre-existing edmx file is a new vs 2010 solution
Hi I started from scr开发者_StackOverflow中文版ath a new vs 2010 solution. How can I add a preexisting edmx file generated with the vs tool avoiding mess :)? (The cleanest way)[详细]
2023-01-19 06:24 分类:问答How to create a computed property in Data Services (OData)?
I am creating an OData service with WCF Data Services using an E开发者_StackOverflow中文版DMX. How can I create a computed property for an entity type, so that its value gets computed in the service ([详细]
2023-01-19 05:26 分类:问答Upgrade/update SQL database to new schema version while keeping as much of the old data as possible
Im not used to work with SQL and I hardly know any DDL-scripting at all. Im using ADO.NET Entity Framework 4 in Visual Studio 2010 with EDMX-designer and a Self-Tracking Entity Generator. It does the[详细]
2023-01-18 21:25 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edmx file to an XML document
Can I connect an edmx to an xml document instea开发者_开发问答d of a sql database.If so how can this be done?No, not unless you write an EF provider for it. But there is LINQ to XML.[详细]
2023-01-16 19:41 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