Expression Tree Tutorial - Knowledge Base (KB)

Unable to cast object of type 'System.Linq.Expressions.UnaryExpression' to type 'System.Linq.Expressions.MemberExpression'

I created a ...method in C#... to get methodname...public string GetCorrectPropertyName<T>(Expression<Func<T, string>> expression) { return ((MemberExpression)expression.Body).Member.Name; // Failure Point } ...and calling it as...string lcl_name = fal...

Using the Select method for dynamic queries and expression trees

I am attempting to create a dynamic query using expression trees to match the following statement:...var items = data.Where(i => i.CoverageType == 2).Select(i => i.LimitSelected); ...I can create the where method and get a result from it; however, I canno...