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)
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:
I try do implement a user dynamic filter, where used selects some properties, selects some operators and selects also the values.
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.
How should I construct Expression tree for string.IndexOf(\"substring\", StringComparison.OrdinalIgnoreCase)?
I have a interface in that user indicates some elements and operators between them and I should display the result.
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 \
I have a repository with the following method: IEnumerable<T> FindAll<TRelated>(Specification<T> specification,
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:
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).
加载中,请稍侯......