Html.Form extension writing out debug message? RSS

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  robinvdb

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  Html.Form extension writing out debug message?

  Dec 11, 2007 10:18 AM|LINK

  Hi,

  I have created a page in which I use the following extension method of the HtmlHelper class:

  <%= Html.Form("AddField", "Home", FormExtensions.FormMethod.post) %>

  This renders my <form> tag as: 
  

  <form action="/CRTMvcWeb/Home.mvc/AddField" method=post >System.Web.Mvc.FormExtensions+SimpleForm

  Seems like it's writing out a little too much...

  Grz

  Robin 

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  robinvdb

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  Re: Html.Form extension writing out debug message?

  Dec 11, 2007 11:12 AM|LINK

  Digging a little deeper into Html.Form I found that there are two ways of using it:

  <%= Html.Form("AddField", "Home") %>
    ... some other markup ...
  </form>

  This is not so nice since your VS designer will tell you that there is no starting tag for </form>.

  Another way is:

  <% FormExtensions.SimpleForm frm = Html.Form("AddField", "Home"); %>
    ... some other markup ...
  <% frm.WriteEndTag(); %>
  My question is: is the second way the preferred one and is this the way it is supposed to be used?
  Robin 

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  robconery

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  195 Posts

  Re: Html.Form extension writing out debug message?

  Dec 11, 2007 05:19 PM|LINK

  Html.Form returns a Form object (in our case we have two kinds - Simple and Mvc<>) and not a string, so using the "<%=" (which is sugar for Response.Write) outputs the tags AND the type.
  

  In this case you want to do one of two things:

  <%using(Html.Form(...)){%>

   

  <%}%>

  or

  <form action="<%=Url.Action("action","controller")%>">

   
   

  • Marked as answer by Haacked on Dec 11, 2007 07:25 PM
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  robinvdb

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  Re: Html.Form extension writing out debug message?

  Dec 11, 2007 07:51 PM|LINK

  Oh... my bad...

  Thanks for the illuminating explanation!

  Didn't see that the Dispose method of SimpleForm called WriteEndTag() and didn't think further about my <%= tag writing out the contents of the Form object. 

  Anyway, very well-written stuff you have there... [Yes]

  Keep up the good work and thanks for the instant help! I do love MVC AND the toolkit...
  

   

  Robin 

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  robconery

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  852 Points

  195 Posts

  Re: Html.Form extension writing out debug message?

  Dec 11, 2007 07:53 PM|LINK

   Thanks Robin :)