Central Button Creator (driven by users permission) in MVC

In view, call to create the button @Html.Button("Create", "user", -1) the function public static class HtmlExtensions { public static IHtmlString Button(this HtmlHelper htmlHelper, string buttonText, string controllerName, int id) { using (var db = new DA_Reporting_ServiceContext()) { User user = db.Users.First(u => u.User_Login == htmlHelper.ViewContext.HttpContext.User.Identity.Name); var button = new TagBuilder("input"); //button.SetInnerText(buttonText); button.MergeAttribute("type", "submit"); button.MergeAttribute("value", buttonText); if (!user.IsAuthorized(controllerName, id)) { button.MergeAttribute("disabled", "disabled"); } return new HtmlString(button.ToString()); } } public static IHtmlString PermitLink(this HtmlHelper htmlHelper, string linkText, string controllerName, string actionName, object routeValues) { bool hasPermission = false; using (var db = new DA_Reporting_ServiceContext()) { User user = db.Users.First(u => u.User_Login == htmlHelper.ViewContext.HttpContext.User.Identity.Name); hasPermission = user.IsAuthorized(controllerName, int.Parse(routeValues.ToString().Split(',')[0].Split('=')[1])); // get the first parameter as the default id } if (hasPermission) { var link = new TagBuilder("a"); link.SetInnerText(linkText); StringBuilder sb= new StringBuilder(); sb.AppendFormat(@"/{0}/{1}?",controllerName,actionName); foreach (var item in ParseRouteValues(routeValues)) { sb.Append(item.Key + "=" + item.Value+"&"); } link.MergeAttribute("href", sb.ToString()); return new HtmlString(link.ToString()); } return new HtmlString(""); } public static IHtmlString Message(this HtmlHelper htmlHelper, TempDataDictionary tempData) { var label = new TagBuilder("label"); if (!String.IsNullOrEmpty((string)tempData["info"])) { label.SetInnerText(((string)tempData["info"]).Replace(System.Environment.NewLine,"
")); label.AddCssClass("InfoMessage"); } if (!String.IsNullOrEmpty((string)tempData["error"])) { label.SetInnerText(((string)tempData["error"]).Replace(Environment.NewLine,"
")); label.AddCssClass("ErrorMessage"); } if(label.InnerHtml.Length>0) return new HtmlString("

"+label.ToString()+"

"); return new HtmlString(label.ToString()); } private static Dictionary ParseRouteValues(object _routeValues) { string values = _routeValues.ToString().Substring(1, _routeValues.ToString().Length - 2); Dictionary pairs = new Dictionary(); foreach (var item in values.Split(',')) { pairs.Add(item.Split('=')[0].Trim(), item.Split('=')[1].Trim()); } return pairs; } public static IHtmlString EnumToSelectList(this HtmlHelper htmlHelper, T enumSource, string selectedValue) where T : struct { var list = new TagBuilder("select"); foreach (T item in Enum.GetValues(typeof(T)).Cast()) { var option = new TagBuilder("option"); //option.MergeAttribute("value",(int)item); option.SetInnerText(item.ToString()); list.InnerHtml += option.ToString(); } return new HtmlString(list.ToString()); } }