c# Programming Glossary: expression.lambda
combining two lamba expressions in c# http://stackoverflow.com/questions/1717444/combining-two-lamba-expressions-in-c-sharp new ExpressionRewriter .AutoInline invoke invoke return Expression.Lambda Func T1 T3 body outer.Parameters public class ExpressionRewriter..
Copy values from one object to another http://stackoverflow.com/questions/2624823/copy-values-from-one-object-to-another Expression.New typeof TTarget bindings return Expression.Lambda Func TSource TTarget initializer sourceParameter .Compile ..
How do I create an expression tree to represent 'String.Contains(“term”)' in C#? http://stackoverflow.com/questions/278684/how-do-i-create-an-expression-tree-to-represent-string-containsterm-in-c stringValue So far I have got private static Expression.Lambda Func string bool GetContainsExpression T string propertyName.. propertyExp this is where I got lost obviously ... return Expression.Lambda Func string bool containsMethodExp parameterExp then something.. Expression.Call propertyExp method someValue return Expression.Lambda Func T bool containsMethodExp parameterExp You might find this..
Mutating the expression tree of a predicate to target another type http://stackoverflow.com/questions/2797261/mutating-the-expression-tree-of-a-predicate-to-target-another-type Func DataContract.Widget bool predicate var lambda Expression.Lambda Func ActiveRecord.Widget bool predicate.Body predicate.Parameters.. bool predicate var visitor new Visitor ... var lambda Expression.Lambda Func ActiveRecord.Widget bool visitor.Visit predicate.Body predicate.Parameters.Select.. VisitParameter I imagine and in GetMany itself var lambda Expression.Lambda Func ActiveRecord.Widget bool visitor.Visit predicate.Body predicate.Parameters.Select..
How do I apply OrderBy on an IQueryable using a string column name within a generic extension method? http://stackoverflow.com/questions/307512/how-do-i-apply-orderby-on-an-iqueryable-using-a-string-column-name-within-a-gene param columnName var sortExpression Expression.Lambda body param return query.OrderBy sortExpression Because the type.. it something like this at run time var sortExpression Expression.Lambda T TSortColumn body param Or return query.OrderBy T TSortColumn.. parameter property var orderByExp Expression.Lambda propertyAccess parameter MethodCallExpression resultExp Expression.Call..
Dynamic LINQ OrderBy on IEnumerable<T> http://stackoverflow.com/questions/41244/dynamic-linq-orderby-on-ienumerablet .MakeGenericType typeof T type LambdaExpression lambda Expression.Lambda delegateType expr arg object result typeof Queryable .GetMethods..
Combining two expressions (Expression<Func<T, bool>>) http://stackoverflow.com/questions/457316/combining-two-expressions-expressionfunct-bool body Expression.AndAlso expr1.Body expr2.Body var lambda Expression.Lambda Func T bool body expr1.Parameters 0 This also works well to.. Func T bool Not T this Expression Func T bool expr return Expression.Lambda Func T bool Expression.Not expr.Body expr.Parameters 0 Otherwise.. left param Expression.Invoke right param var lambda Expression.Lambda Func T bool body param return lambda Somewhere I have got some..
LINQ Expression to return Property value? http://stackoverflow.com/questions/567963/linq-expression-to-return-property-value predicate Expression.Call method keys member var lambda Expression.Lambda Func T bool predicate row foreach T record in source.Where..
How to create LINQ Expression Tree with anonymous type in it http://stackoverflow.com/questions/606104/how-to-create-linq-expression-tree-with-anonymous-type-in-it p.Name .OfType MemberBinding Expression selector Expression.Lambda Expression.MemberInit Expression.New dynamicType.GetConstructor..
Hows to quick check if data transfer two objects have equal properties in C#? http://stackoverflow.com/questions/986572/hows-to-quick-check-if-data-transfer-two-objects-have-equal-properties-in-c else body Expression.AndAlso body propEqual Compare Expression.Lambda Func T T bool body x y .Compile Edit updated to handle fields.. body null Compare delegate return true else Compare Expression.Lambda Func T T bool body x y .Compile share improve this answer..
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