problem about html-helper-Collection of common programming errors


  • RPM1984
    asp.net-mvc asp.net-mvc-3 razor html-helper viewpage
    I’ve got a ASP.NET MVC 3 Razor Web Application.I’ve got a WebViewPage extension:public static bool Blah(this WebViewPage webViewPage) {return blah && blah; }And i want to access this from my HtmlHelper extension:public static MvcHtmlString BlahHelper(this HtmlHelper htmlHelper, string linkText, string actionName) {// how can i get access to the WebViewPage extension method here? }I can of course duplicate the functionality of the WebViewPage extension if i had to, but just wondering if i

  • chobo2
    c# .net asp.net-mvc-2 html-helper
    I was using this custom html helper in asp.net mvc 1.0 but now I am trying to use it in a 2.0 project and it crasheshttp://blog.pagedesigners.co.nz/archive/2009/07/15/asp.net-mvc-ndash-validation-summary-with-2-forms-amp-1.aspxThis is the error I get.System.MissingMethodException was unhandled by user codeMessage=Method not found: ‘System.String System.Web.Mvc.Html.ValidationExtensions.ValidationSummary(System.Web.Mvc.HtmlHelper)’.Source=CustomHtmlHelpersStackTrace:at CustomHtmlHelpers.ActionVal

  • Sachin Kainth
    asp.net-mvc-3 razor html-helper access-denied renderaction
    I am working on a new project and am trying to log into the site (it uses forms authentication), but as soon as I log in I get this error.Access is denied. (Exception from HRESULT: 0x80070005 (E_ACCESSDENIED)) Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.Exception Details: System.UnauthorizedAccessException: Access is denied. (Exception from HRES

  • teresko
    asp.net-mvc c#-4.0 html-helper
    I am working on MVC POST/GET requests, but I observed some strange behavior. My form is posted after editing it by clicking “Save” from browser, but when I received the request, all the attributes were undefined. CourseName, CourseCreditPts, Institute were null or zeros.Code:[AcceptVerbs(HttpVerbs.Post)] public ActionResult Edit(tblCourse a_Course) {// Retrieve existing objectvar CourseToBeSaved = _pr.FindCourseById(a_Course.CourseID);// without try-catch exception throwntry{TryUpdateModel(Cours

  • John Brown
    javascript html random html-helper
    I’m developing a webpage but I need a JS script which selects a random page from a directory. At the moment I have this script;<!– Hide this script from old browsers –var links = new Array(10) links[0] = “anal.html” links[1] = “brr-fail.htm” links[2] = “anal.html” links[3] = “brr-fail.htm” links[4] = “anal.html” links[5] = “brr-fail.htm” links[6] = “anal.html” links[7] = “brr-fail.htm” links[8] = “anal.html” links[9] = “brr-fail.htm” links[10] = “anal.html” function go() { var

  • Joseph Silber
    php html web html-helper
    I had my code working earlier today, with first asks for your name with html and then generated a “Hello -username- -surname-” message with php. I was trying to adjust the indentation and i think i must have erased something that now makes it simply display the code… Thanks for the help!The html page:<!DOCTYPE html PUBLIC “-//W3C//DTD HTML 4.01//EN” “http://www.w3.org/TR/html4/strict.dtd”> <html><head><meta content=”text/html; charset=ISO-8859-1″ http-equiv=”content-type”&

  • Jimbo
    c# jquery asp.net-mvc html-helper include
    I have build a custom Html Helper extension as follows:public static string DatePicker(this HtmlHelper helper, string name, string value) {return string.Format(@”<script type=’text/javascript’> $(document).ready(function(){{$(‘#{0}’).datepicker({{ changeMonth: true, changeYear:true, dateFormat: ‘d-M-yy’, firstDay: 1, showButtonPanel: true, showWeek: true }}); }}); </script> <input type=’text’ name='{0}’ id='{0}’ value='{1}’>”, name, value); }The problem is that this now require