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Function in Razor view (@helper in razor)

We can create function in cshtml by using @helper syntax syntax: @helper <FunctionName>(paramtype param1) { //your custom logic } Here the function is same as the one we write in class file except  "@helper" . This function can be invoked from any where in the view simply like this @FunctionName(param1); @helper syntax enables in code reusability scenario : Following code implements recursive function using @helper in view @helper Recurson(IEnumerable<Menu> nodes, int? parentId) {     if (nodes.Any(n => n.ParentId == parentId))     {         <ul>             @foreach (var node in nodes.Where(n => n.ParentId == parentId))             {                 <li>                     @node.Name                     @Recursion(node.Menus, node.Id)                 </li>             }         </ul>     } }         @Recurson(Model.Menus, Model.Id)     In Above Code Menu Contains hierarchical data which will be itera