{"id":2227,"date":"2022-08-30T15:23:06","date_gmt":"2022-08-30T15:23:06","guid":{"rendered":"https:\/\/unknownerror.org\/index.php\/2014\/01\/05\/problem-about-html-helper-collection-of-common-programming-errors\/"},"modified":"2022-08-30T15:23:06","modified_gmt":"2022-08-30T15:23:06","slug":"problem-about-html-helper-collection-of-common-programming-errors","status":"publish","type":"post","link":"https:\/\/unknownerror.org\/index.php\/2022\/08\/30\/problem-about-html-helper-collection-of-common-programming-errors\/","title":{"rendered":"problem about html-helper-Collection of common programming errors"},"content":{"rendered":"<ul>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/17f5a1ef29d8cb7951281b8996e3fef2?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nRPM1984<br \/>\nasp.net-mvc asp.net-mvc-3 razor html-helper viewpage<br \/>\nI&#8217;ve got a ASP.NET MVC 3 Razor Web Application.I&#8217;ve got a WebViewPage extension:public static bool Blah(this WebViewPage webViewPage) {return blah &amp;&amp; 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<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/13871016e7ff62f95d47c0eeb9194674?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nchobo2<br \/>\nc# .net asp.net-mvc-2 html-helper<br \/>\nI 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: &#8216;System.String System.Web.Mvc.Html.ValidationExtensions.ValidationSummary(System.Web.Mvc.HtmlHelper)&#8217;.Source=CustomHtmlHelpersStackTrace:at CustomHtmlHelpers.ActionVal<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/39d159a6f2a0cacf9e03a0e16bbd3097?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nSachin Kainth<br \/>\nasp.net-mvc-3 razor html-helper access-denied renderaction<br \/>\nI 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<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/40de750233b3ce8268f235ba0b6a489b?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nteresko<br \/>\nasp.net-mvc c#-4.0 html-helper<br \/>\nI am working on MVC POST\/GET requests, but I observed some strange behavior. My form is posted after editing it by clicking &#8220;Save&#8221; 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<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/5587fc71c1b5a32692000f8693567a6d?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nJohn Brown<br \/>\njavascript html random html-helper<br \/>\nI&#8217;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;&lt;!&#8211; Hide this script from old browsers &#8211;var links = new Array(10) links[0] = &#8220;anal.html&#8221; links[1] = &#8220;brr-fail.htm&#8221; links[2] = &#8220;anal.html&#8221; links[3] = &#8220;brr-fail.htm&#8221; links[4] = &#8220;anal.html&#8221; links[5] = &#8220;brr-fail.htm&#8221; links[6] = &#8220;anal.html&#8221; links[7] = &#8220;brr-fail.htm&#8221; links[8] = &#8220;anal.html&#8221; links[9] = &#8220;brr-fail.htm&#8221; links[10] = &#8220;anal.html&#8221; function go() { var<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/061dbecb6643f2f75580d4ea57853674?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nJoseph Silber<br \/>\nphp html web html-helper<br \/>\nI had my code working earlier today, with first asks for your name with html and then generated a &#8220;Hello -username- -surname-&#8221; 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&#8230; Thanks for the help!The html page:&lt;!DOCTYPE html PUBLIC &#8220;-\/\/W3C\/\/DTD HTML 4.01\/\/EN&#8221; &#8220;http:\/\/www.w3.org\/TR\/html4\/strict.dtd&#8221;&gt; &lt;html&gt;&lt;head&gt;&lt;meta content=&#8221;text\/html; charset=ISO-8859-1&#8243; http-equiv=&#8221;content-type&#8221;&amp;<\/li>\n<li>\n<img decoding=\"async\" src=\"http:\/\/www.gravatar.com\/avatar\/69e56ba57db6774aa70eca1d8d5684aa?s=32&amp;d=identicon&amp;r=PG\" \/><br \/>\nJimbo<br \/>\nc# jquery asp.net-mvc html-helper include<br \/>\nI have build a custom Html Helper extension as follows:public static string DatePicker(this HtmlHelper helper, string name, string value) {return string.Format(@&#8221;&lt;script type=&#8217;text\/javascript&#8217;&gt; $(document).ready(function(){{$(&#8216;#{0}&#8217;).datepicker({{ changeMonth: true, changeYear:true, dateFormat: &#8216;d-M-yy&#8217;, firstDay: 1, showButtonPanel: true, showWeek: true }}); }}); &lt;\/script&gt; &lt;input type=&#8217;text&#8217; name='{0}&#8217; id='{0}&#8217; value='{1}&#8217;&gt;&#8221;, name, value); }The problem is that this now require<\/li>\n<\/ul>\n<p id=\"rop\"><small>Originally posted 2014-01-05 09:08:21. <\/small><\/p>","protected":false},"excerpt":{"rendered":"<p>RPM1984 asp.net-mvc asp.net-mvc-3 razor html-helper viewpage I&#8217;ve got a ASP.NET MVC 3 Razor Web Application.I&#8217;ve got a WebViewPage extension:public static bool Blah(this WebViewPage webViewPage) {return blah &amp;&amp; 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 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2227","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/2227","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/comments?post=2227"}],"version-history":[{"count":0,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/posts\/2227\/revisions"}],"wp:attachment":[{"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/media?parent=2227"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/categories?post=2227"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/unknownerror.org\/index.php\/wp-json\/wp\/v2\/tags?post=2227"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}