Link-method

public class BaseController: ApiController
{
        
        public string Link<TController>(Expression<Func<TController, IHttpActionResult>> method)
            where TController : ApiController
        {
            UrlHelper url = new UrlHelper(this.Request);
            var methodCallExpression = (method.Body as MethodCallExpression);
            if (methodCallExpression == null) throw new Exception("Not a method");

            var action = methodCallExpression.Method;
            var arguments = methodCallExpression.Arguments;
            var methodParameters = action.GetParameters();
            var routeAttribute = action.GetCustomAttribute<RouteAttribute>();

            if (routeAttribute == null || string.IsNullOrEmpty(routeAttribute.Name))
            {
                throw new Exception("Missing RouteAttribute with Name");
            }

            var parameters = new Dictionary<string, object>();
            for (int i = 0; i < methodParameters.Length; i++)
            {

                LambdaExpression lambda = Expression.Lambda(arguments[i]);
                var val = lambda.Compile().DynamicInvoke();
                parameters.Add(methodParameters[i].Name, val);
            }

            return url.Link(routeAttribute.Name, parameters);
        }
}