'System.Web.Mvc.HtmlHelper' does not contain a definition for 'Calendar'

Hi,

 

Please anybody tell me what this error. I use asp.net MVC Beta. This error showing in gridview too how to rectify it?

Compiler Error Message: CS1061: 'System.Web.Mvc.HtmlHelper' does not contain a definition for 'Calendar' and no extension method 'Calendar' accepting a first argument of type 'System.Web.Mvc.HtmlHelper' could be found (are you missing a using directive or an assembly reference?) Source Error: Line 8: Line 9:

Mvc Calendar 1: Simplest Calendar

Line 10: <%= Html.Calendar() %> Line 11: Line 12:

 

 

 

 


0
Ambikaa
10/20/2008 7:28:38 AM
asp.net.mvc 4300 articles. 0 followers. Follow

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 OOTB, MVC beta 1 doesn't contain html helper for calendar, so I presume you created extension method on your own.

In beta 1, all OOTB HTML helpers are now in separate System.Web.Mvc.Html assembly, so you might want to change your extension method code in order to resolve this. In fact, this is probably a source for this error. Try replacing

System.Web.Mvc.HtmlHelper
with
System.Web.Mvc.Html.HtmlHelper

 Complete code sample for extension method, controller, and view would be very helpful here.


Dragan Panjkov
[http://blogpanjkov.qsh.eu/] [http://www.microsoft.com/bih]

0
panjkov
10/20/2008 8:44:43 AM

Here's an example of adding a new HtmlHelper extension method called Calendar.

 

1    namespace MvcApplication7
2    {
3        using System;
4        using System.Web.Mvc;
5    
6        public static class CalendarHelper
7        {
8            public static string Calendar(this HtmlHelper htmlHelper)
9            {
10               return String.Empty;
11           }
12       }
13   }

 

In Web.Config, add the following the namespace of the extension method to the <Pages> element.

1        <pages>
2          <controls>
3            <add tagPrefix="asp" namespace="System.Web.UI" assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
4            <add tagPrefix="asp" namespace="System.Web.UI.WebControls" assembly="System.Web.Extensions, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/>
5          </controls>
6    
7          <namespaces>
8            <add namespace="Microsoft.Web.Mvc"/>
9            <add namespace="System.Web.Mvc"/>
10           <add namespace="System.Web.Mvc.Ajax"/>
11           <add namespace="System.Web.Mvc.Html"/>
12           <add namespace="System.Web.Routing"/>
13           <add namespace="System.Linq"/>
14           <add namespace="System.Collections.Generic"/>
15           <add namespace="MvcApplication7"/>
16         </namespaces>
17       </pages>
In your view, you can now write something like <% =Html.Calendar() %>. Note that you might have to rebuild the project before the new method will be picked up by the intellisense
Jacques
 
0
jeloff
10/20/2008 10:58:26 PM

 @jeloff: i asked @Ambikaa to post his code that is throwing an error... but thanks. I hope it will help to resolve that error :)


Dragan Panjkov
[http://blogpanjkov.qsh.eu/] [http://www.microsoft.com/bih]

0
panjkov
10/22/2008 6:01:22 AM
Reply:

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