expression-trees
Detect parenthesis in BinaryExpression
I am building a expression analyser from which I would like to generate database query code, I\'ve gotten quite far but am stuck parsing BinaryExpressions accurately. It\'s quite easy to break them up[详细]
2023-03-09 01:18 分类:问答Using a lambda inside a method and match against a List
I have the following code that is used for producing data for a jquery graph. However it is quite repetitive and in order to k开发者_如何学编程eep DRY I would like to refactor by introducing a method.[详细]
2023-03-08 17:55 分类:问答Creating ContainsAny and ContainsAll extensions
I\'m trying to create a ContainsAny and ContainsAll extension so I can basically do the following string[] words = keywords.split(\' \');[详细]
2023-03-08 10:14 分类:问答MemberExpression: InvalidOperationExpression variable 'x' referenced from scope '', but it is not defined
I\'m using System.Linq.Expressions I was attempting to build a simple LambdaExpression that includes a MemberExpression. If I create the MemberExpression explicitly with the System.Linq.Expressions A[详细]
2023-03-08 09:18 分类:问答How to convert Expression<Func<T, object>> to Expression<Func<object, object>>
Is there way to convert Express开发者_JAVA百科ion<Func<T, object>> to Expression<Func<object, object>> ?I\'ve had to do this before...[详细]
2023-03-06 03:23 分类:问答Is it possible to interpret a C# expression tree to emit JavaScript?
For example, if you have an expression like this: Expression<Func<int, int>> fn = x => x * x;[详细]
2023-03-06 01:24 分类:问答LINQ-to-SQL Generic GetByIDs method
I\'m currently using this to get an object by it\'s primary key value. I\'m trying to find a way to create a similar method GetByIDs where I can pass an IEnumerable(of object) and do ids.contains(pk)[详细]
2023-03-05 01:09 分类:问答LINQ dynamic method call using expressions
I\'m trying to implement multicolumn filtering using LINQ expressions in a class that extends BindingList(Of T).Here is the relevant code:[详细]
2023-03-02 19:22 分类:问答Problem with using Join operator in Lambda Expression and Expression Tree
I write this method: public List<TResult2> SelectAndJoin<TOuter, TInner, TKey, TResult, TResult2>(IEnumerable<TInner> inner,[详细]
2023-03-01 14:58 分类:问答How can I factor out clauses in a parameterized Expression?
Hey all.I\'m trying to optimize a Linq to Entities call by statically caching and reusing a compiled query.The query checks the same thing for a variable number of filter arguments, and the only way t[详细]
2023-03-01 05:24 分类:问答