c# Programming Glossary: lambdaexpression
IQueryable extension method for linq2entities http://stackoverflow.com/questions/10826275/iqueryable-extension-method-for-linq2entities expressionId private string _expressionId public LambdaExpression TranslationExpression get return _expressionId null QueryMethodTranslationExpressions.GetRegistered.. private static Dictionary string LambdaExpression expressionList new Dictionary string LambdaExpression summary.. LambdaExpression expressionList new Dictionary string LambdaExpression summary Register expression summary typeparam name TFunc type..
Linq2SQL “or/and” operators (ANDed / ORed conditions) http://stackoverflow.com/questions/1450983/linq2sql-or-and-operators-anded-ored-conditions from buttom to top so the line in question is var method LambdaExpression.Lambda orExp Expression.Parameter typeof int value the body.. Type Bar var orExp Expression.OrElse exp1 exp2 var method LambdaExpression.Lambda orExp Expression.Parameter typeof int value method.Compile.. instead of compiling the expression if you need the LambdaExpression to be translated into something different than binary code E.g...
combining two lamba expressions in c# http://stackoverflow.com/questions/1717444/combining-two-lamba-expressions-in-c-sharp expression null throw new ArgumentNullException expression LambdaExpression lambda LambdaExpression expression.Expression ExpressionRewriter.. ArgumentNullException expression LambdaExpression lambda LambdaExpression expression.Expression ExpressionRewriter childScope new ExpressionRewriter..
Most efficient way to test equality of lambda expressions http://stackoverflow.com/questions/283537/most-efficient-way-to-test-equality-of-lambda-expressions case ExpressionType.Lambda return ExpressionEqual LambdaExpression x .Body LambdaExpression y .Body case ExpressionType.MemberAccess.. return ExpressionEqual LambdaExpression x .Body LambdaExpression y .Body case ExpressionType.MemberAccess MemberExpression mex..
How do I create an expression tree calling IEnumerable<TSource>.Any(…)? http://stackoverflow.com/questions/326321/how-do-i-create-an-expression-tree-calling-ienumerabletsource-any an expression tree version of Any then you ought to pass a LambdaExpression instead which you would be quoting and is one of the rare cases..
Dynamic LINQ OrderBy on IEnumerable<T> http://stackoverflow.com/questions/41244/dynamic-linq-orderby-on-ienumerablet delegateType typeof Func .MakeGenericType typeof T type LambdaExpression lambda Expression.Lambda delegateType expr arg object result..
How to get the PropertyInfo of a specific property? http://stackoverflow.com/questions/491429/how-to-get-the-propertyinfo-of-a-specific-property T TValue selector Expression body selector if body is LambdaExpression body LambdaExpression body .Body switch body.NodeType case.. Expression body selector if body is LambdaExpression body LambdaExpression body .Body switch body.NodeType case ExpressionType.MemberAccess..
Automatically INotifyPropertyChanged http://stackoverflow.com/questions/527602/automatically-inotifypropertychanged null return Get property name var lambda Property as LambdaExpression MemberExpression memberExpression if lambda.Body is UnaryExpression.. s e Get name of Property var lambda Property as LambdaExpression MemberExpression memberExpression if lambda.Body is UnaryExpression..
Retrieving Property name from lambda expression http://stackoverflow.com/questions/671968/retrieving-property-name-from-lambda-expression static MemberExpression GetMemberInfo Expression method LambdaExpression lambda method as LambdaExpression if lambda null throw new ArgumentNullException.. Expression method LambdaExpression lambda method as LambdaExpression if lambda null throw new ArgumentNullException method MemberExpression..
Validate assemblies and namespaces in VAB config file http://stackoverflow.com/questions/8900510/validate-assemblies-and-namespaces-in-vab-config-file propertyName private static string ExtractPropertyName LambdaExpression propertySelector if propertySelector null throw new ArgumentNullException.. body.Member.Name private static string ExtractFieldName LambdaExpression fieldSelector if fieldSelector null throw new ArgumentNullException..
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