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HomeHomeOur CommunityOur CommunityGeneral Discuss...General Discuss...Virtual directory and src=/images/image1.jpg problemVirtual directory and src=/images/image1.jpg problem
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2/6/2009 1:00 AM
 
Store Integrator


Joined: 11/27/2007
Posts: 238

Hi,

We are using WAP setup. In project X we would like to use the images located at /portal/0/images/image1.jpg. We made client side code like 'src='/portal/0/images/image1/jpg' in an ascx control. However, it seems that with the virtualdirectory localhost/virtualdir we get no images since the src is rendered like /localhost/portal/0/images/image1/jpg instead of /localhost/virtualdir/portal/0/images/image1/jpg. The same problem happens if we want to use the images dir of dnn.

Using an host header fixes this problem. However, we do not fully understand why this is happening. It is much easier to use a virtual directory to set up a development environment instead you need to set up a hostheader. I do not see an advantage to use a hostheader, but now for some reason my virtualdir is not being used.

Any help appreciated.

J.
 
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2/6/2009 1:08 AM
 
Oliver Hine


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www.nbrane.com
Joined: 7/2/2003
Posts: 559

I'd have to double check, but I think you've got at least 2 choices...

  • mark the image placeholder as a serverside control (runat=server), and then prefix ~/ to the url.... "~/portals/0/images/image1.jpg"
  • ResolveUrl("~/portals/0/images/image1.jpg"), either via <img src='<%=ResolveUrl("~/portals/0/images/image1.jpg")%>'/>, or at runtime in your codebehind / page_load functions...

Let me know if I failed with my quick response :)
 
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2/6/2009 1:56 AM
 
Store Integrator


Joined: 11/27/2007
Posts: 238

Thank you.

I would rather not use serverside controls since images are meant to be client side. So less page rendering and less server work to do on postback. Will ResolveUrl then also work?

J.
 
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2/6/2009 2:12 AM
 
Oliver Hine


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www.nbrane.com
Joined: 7/2/2003
Posts: 559

I'd try both ResolveUrl and MapPath, the more I think about it I'm pretty sure you'll want MapPath to get a valid path with the ~/ prefix. I think the ResolveUrl function will return the path based on the location of the control calling it (i.e.. if included in your module view control, it will return the desktopmodules path to your module plus the bits passed into it)

Just test this out at page_load, call both of these functions and write the output into a Label or Literal control to see what they return, or inside <%= %> blocks. It'll take 2 seconds :)
 
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2/6/2009 2:13 AM
Accepted Answer 
Store Integrator


Joined: 11/27/2007
Posts: 238

Thankx it works also clientside.
 
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HomeHomeOur CommunityOur CommunityGeneral Discuss...General Discuss...Virtual directory and src=/images/image1.jpg problemVirtual directory and src=/images/image1.jpg problem


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