Get the list of all Controllers, Methods, Viewes of your .NET project

GetAllControllerActions.cs

// Modal
public class ControllerActions
{
    public string Controller { get; set;  }
    public string Action { get; set; }
    public string Attributes { get; set; }
    public string ReturnType { get; set; }
    public string HttpMethods { get; set; }
    public string ReturnsView { get; set; }
    public string ViewPath { get; set; }
}

// API which will return result
// Replace <NAMESPACE> with your project namespace
public ActionResult GetAllControllerActions()
{
    var asm = Assembly.GetAssembly(typeof(<NAMESPACE>.MvcApplication));
    var controlleractionlist = asm.GetTypes()
            .Where(type => typeof(System.Web.Mvc.Controller).IsAssignableFrom(type))
            .SelectMany(type => type.GetMethods(BindingFlags.Instance | BindingFlags.DeclaredOnly | BindingFlags.Public))
            .Where(m => !m.GetCustomAttributes(typeof(System.Runtime.CompilerServices.CompilerGeneratedAttribute), true).Any())
            .Select(x => new
            {
                Controller = x.DeclaringType.Name,
                Action = x.Name,
                ReturnType = x.ReturnType.Name,
                Attributes = String.Join(",", x.GetCustomAttributes().Select(a => a.GetType().Name.Replace("Attribute", ""))),
                HttpMethods = String.Join(",", x.GetCustomAttributes()
                                    .OfType<ActionMethodSelectorAttribute>()
                                    .Select(attr =>
                                    {
                                        if (attr is HttpGetAttribute) return "GET";
                                        if (attr is HttpPostAttribute) return "POST";
                                        if (attr is HttpPutAttribute) return "PUT";
                                        if (attr is HttpDeleteAttribute) return "DELETE";
                                        return "UNKNOWN";
                                    })),
                ReturnsView = typeof(ViewResult).IsAssignableFrom(x.ReturnType) || typeof(ActionResult).IsAssignableFrom(x.ReturnType),
                ViewPath = $"~/Views/{x.DeclaringType.Name.Replace("Controller", "")}/{x.Name}.cshtml"
            })
            .OrderBy(x => x.Controller).ThenBy(x => x.Action).ToList();
    var list = new List<ControllerActions>();

    foreach (var item in controlleractionlist)
    {
        list.Add(new ControllerActions()
        {
            Controller = item.Controller,
            Action = item.Action,
            Attributes = item.Attributes,
            ReturnType = item.ReturnType,
            HttpMethods = string.IsNullOrWhiteSpace(item.HttpMethods) ? "GET" : item.HttpMethods,
            ReturnsView = item.ReturnsView ? "Yes" : "No",
            ViewPath = item.ReturnsView ? item.ViewPath : "N/A"
        });
    }

    return Json(list, JsonRequestBehavior.AllowGet);
}