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By: a guest on Aug 4th, 2010  |  syntax: C#  |  size: 1.57 KB  |  views: 58  |  expires: Never
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  1. Getting error: <code>Description: An error occurred during the compilation of a resource required to service this request. Please review the following specific error details and modify your source code appropriately.
  2.  
  3. Compiler Error Message: CS1061: 'System.Web.Mvc.HtmlHelper<object>' does not contain a definition for 'Body' and no extension method 'Body' accepting a first argument of type 'System.Web.Mvc.HtmlHelper<object>' could be found (are you missing a using directive or an assembly reference?)</code> on the <code>body</code> line   
  4.  
  5.         namespace MySite.Helpers
  6.         {
  7.                 public static class HtmlHelpers
  8.                 {
  9.                         public static MvcHtmlString Body(this HtmlHelper htmlHelper)
  10.                         {
  11.                                 string currentControllerName = (string)htmlHelper.ViewContext.RouteData.Values["controller"];
  12.                                 string currentActionName = (string)htmlHelper.ViewContext.RouteData.Values["action"];
  13.                                 string css = currentControllerName + "-" + currentActionName;
  14.                                 var body = new TagBuilder("body");
  15.                                 body.AddCssClass(css);
  16.                                 return MvcHtmlString.Create(body.ToString(TagRenderMode.StartTag));
  17.                         }
  18.                 }
  19.                
  20.         }
  21.  
  22. ~/Views/Shared/Site.Master:
  23.  
  24.         <%@ Master Language="C#" Inherits="System.Web.Mvc.ViewMasterPage" %>
  25.  
  26.         <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
  27.         <html xmlns="http://www.w3.org/1999/xhtml">
  28.         <head runat="server">
  29.                 <title><asp:ContentPlaceHolder ID="TitleContent" runat="server" /></title>
  30.                 <link href="../../Content/Site.css" rel="stylesheet" type="text/css" />
  31.         </head>
  32.  
  33.         <body id="argh" class="<%= Html.Body() %>">
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