objectquery

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Query Object's elements in c#

I have a problem when i try to ret开发者_高级运维rieve query results from object in c#. I did a linq query that return object element and the i wanna get all elements value in c# (server side)...[详细]

2023-04-01 20:20 分类：问答
ObjectContext Closed error when using Include?

I am trying to create a generic Get method for Entity Framework, with a dynamic Where and Include. I am using the code below, however when I try to access a Navigation Property that was in the Include[详细]

2023-03-30 07:24 分类：问答
Linking separate attributes to the same table in Entity Framework / .NET MVC

I have spent hours trying to find an answer to this, and have come up empty. I am completely new to .NET and MVC - I completed the MvcMusicStore tutorial and have now started working on a more comple[详细]

2023-02-26 07:29 分类：问答
Get SQL commandtext and parameters from EntityFramework ObjectQuery

I have some queries that EF is unable to support: spatial, indexhints, etc. etc. Most of the data however is EF friendly and I can use the linq provider.[详细]

2023-02-21 03:09 分类：问答
ObjectQuery lambda expression for select inside select

i want to开发者_开发知识库 create query like this using lambda expression in ObjectQuery SELECT *[详细]

2023-02-16 05:08 分类：问答
Using Contains in ObjectQuery

Here is my situation: I\'ve got a m:n-relation between artists and events. What I\'m trying to do is to get a IQueryable containing only events that include a certain artist. I\'m using a repository[详细]

2023-01-25 14:57 分类：问答
Few GroupJoin in one query

I\'m trying to write ObjectQuery with few consistent GroupJoin, it means that there should be one main table selection + few additional LEFT JOIN. I\'m doing it as following, with SelectMany method, b[详细]

2023-01-21 22:47 分类：问答
Entity Framework - how to join tables without LINQ and with only string?

I have a question about Entity Framework. Please answer if you know answer on this. I have such query :[详细]

2023-01-18 01:33 分类：问答
How to use ObjectQuery with Where filter separated by OR clause

Could somebody help me to answer how to rewrite raw SQL filter WHERE (...) OR (...) with ObjectQuery bilder, please?[详细]

2023-01-17 07:24 分类：问答
Can ObjectQuery.OrderBy() use NEWID()?

I found that Entity SQL support NEWID(), but does ObjectQuery support it as well? http://msdn.micros开发者_StackOverflow中文版oft.com/en-us/library/bb738616.aspx,[详细]

2023-01-08 17:02 分类：问答