expression-trees
How can I create expression to be used in another expression?
I use Linq2Sql to access DB and Repository pattern implemented for that. public abstract class RepositoryBase<T, TDb> : IRepository<T>[详细]
2023-02-16 12:24 分类:问答With a parse tree of an arithmetic expression how to generate the infix expression as the result in Haskell
Here is the tree defi开发者_StackOverflow中文版nition: data Tree = Leaf Char | Node (Char, Tree, Tree)[详细]
2023-02-16 09:08 分类:问答Convert Linq to Sql Expression to Expression Tree
Can anyone convert this 开发者_StackOverflowsimple LINQ-to-SQL to an Expression Tree: List<Region> lst = (from r in dc.Regions[详细]
2023-02-15 14:38 分类:问答Convert Boolean to condition in Expression tree
Hi Experts How I Can convert this statement to Expression tree: x=>x.Contains(\"bla\") 开发者_如何学编程thanksvar parameter = Expression.Parameter(typeof(string), \"x\");[详细]
2023-02-15 10:05 分类:问答references to Func's of different types
I have a singleton that can register a func to resolve an id value for each type: public void RegisterType<T>(Func<T, uint> func)[详细]
2023-02-14 09:20 分类:问答How can I get object instance from ()=>foo.Title expression
I have a simple class with a property class Foo { string Title { get; set; } } I am trying to simplify data binding by calling a function like[详细]
2023-02-13 11:07 分类:问答Expression.LessThan vs LambdaExpression<Func<ParamType,object>>
I\'ve got a LambdaExpression which takes one object as a Parameter and ultimately returns an object. For the purposes of testing, here\'s a Lambda (created longhand to match what i\'m really passing i[详细]
2023-02-13 04:32 分类:问答How do I dynamically create an Expression<Func<MyClass, bool>> predicate from Expression<Func<MyClass, string>>?
I trying to append where predicates and my goal is to create the same expression as: Services.Where(s => s.Name == \"Modules\" && s.Namespace == \"Namespace\");[详细]
2023-02-13 04:04 分类:问答Why is a conversion necessary in Expression Trees
From this question I asked 5 minutes ago, it\'s clear that the following code throws an exception, stating that[详细]
2023-02-12 15:07 分类:问答Expression Trees and Nullable Types
I\'ve been playing around with Expression Trees.I have the following simple method that performs a query by dynamically creating an Expression Tree.ItemType is a nullable int in the database, and also[详细]
2023-02-12 03:41 分类:问答