linq-expressions

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Custom extension method for Linq To Entities

I\'d like to make a query to my SQL Server 2008 R2 database using Linq-To-Entities. I use Entity Framework 4.1 (Code-First)[详细]

2023-04-03 05:40 分类：问答
Using brackets in dynamic .NET expressions

I have a grid in witch 开发者_开发技巧a user can fill-in the \"filter\" on a collection. The user has to fill-in some columns:[详细]

2023-04-03 04:48 分类：问答
Dynamic Expression using LINQ. How To Find the Kitchens?

I try do implement a user dynamic filter, where used selects some properties, selects some operators and selects also the values.[详细]

2023-03-28 22:27 分类：问答
How to create NotStartsWith Expression tree

I\'m using jqGrid to display some data to users. jqGrid has search functionality that does string compares like Equals, NotEquals, Contains, StartsW开发者_如何学运维ith, NotStartsWith, etc.[详细]

2023-03-28 10:51 分类：问答
Expression tree for String.IndexOf method

How should I construct Expression tree for string.IndexOf(\"substring\", StringComparison.OrdinalIgnoreCase)?[详细]

2023-03-28 10:30 分类：问答
Build a simple Expression Tree in .NET

I have a interface in that user indicates some elements and operators between them and I should display the result.[详细]

2023-03-28 04:51 分类：问答
What's wrong with this linq expression creation (using contains)

I am trying to dynamically create a linq expression with the contains operator. After reading several posts related to this topic, I have come up with the following code that allows me to perform a \[详细]

2023-03-25 00:46 分类：问答
How to create a collection of Expression<Func<T, TRelated>>?

I have a repository with the following method: IEnumerable<T> FindAll<TRelated>(Specification<T> specification,[详细]

2023-03-16 06:04 分类：问答
Left outer join with Linq Expressions

I\'m trying to build left outer join queries with Linq Expressions but now I really hit the wall. What I want to accomplish is the following query:[详细]

2023-03-13 21:55 分类：问答
LINQ member expression getting column name

Hello, I am using LINQ and EF with C# 4.0. I have dragged the basic ELMAH table into EF (built and saved many many times).[详细]

2023-03-11 06:27 分类：问答