Disregard my comment about the ‘for loop’ exiting problem. I just
realized I had previously fixed that problem :-).
On Nov 26, 6:22 pm, steve <[EMAIL PROTECTED]> wrote:
> I’ve discovered that Google Base sometimes indicates there are images,
> however when I try to display the image it doesn’t exist. I don’t
> know if it’s a problem with Base, or if the publisher deleted the
> photo. I’ve worked around the problem by first checking if the image
> exists. See the code below.
>
> The C# code below transfers the images from GBaseEntry to my "Vehcile"
> object. The 'for loop' could use some optimization, and exit when the
> web request fails.
>
> if (entry.GBaseAttributes.GetUrlAttributes("image link").GetLength
> (0) > 0)
> {
> foreach (string imageLink in
> entry.GBaseAttributes.GetUrlAttributes("image link"))
> {
> vehicle.SmallImageLink.Add(imageLink);
> vehicle.ImageCount++;
>
> if (vehicle.primarySmallImage == "~/Images/NoPhoto.gif")
> vehicle.primarySmallImage = imageLink;
>
> //get the primary small image link
> if (imageLink.Length < vehicle.primarySmallImage.Length)
> {
> vehicle.primarySmallImage = imageLink;
> }
> }
>
> try
> {
> // Creates an HttpWebRequest for the specified URL.
> HttpWebRequest myReq = (HttpWebRequest)WebRequest.Create
> (vehicle.primarySmallImage);
> // Sends the HttpWebRequest and waits for a response.
> HttpWebResponse myHttpWebResponse = (HttpWebResponse)
> myReq.GetResponse();
> if (myHttpWebResponse.StatusCode != HttpStatusCode.OK)
> {
> vehicle.ImageCount = 0;
> vehicle.primarySmallImage = "~/Images/NoPhoto.gif";
> }
> }
> catch (Exception)
> {
> vehicle.ImageCount = 0;
> vehicle.primarySmallImage = "~/Images/NoPhoto.gif";
> }
> }
>
> www.fecfs.com
>
> On Nov 26, 4:39 pm, "Nicolas (Google)" <[EMAIL PROTECTED]> wrote:
>
>
>
> > Hi Dennis,
>
> > Unfortunately there is currently a bug on the "image_link" attribute.
> > The issues have already been reported and we are waiting for a fix
> > from our engineering team.
>
> > For your information, I think the correct Query URI would
> > be:http://www.google.com/base/feeds/snippets/-/vehicles?bq=[year:2006][price%3C15000%20usd][vehicle_type:Sedan][image%20link]
>
> > But as you can imagine I can't test this right now :)
>
> > In the mean time, as a workaround I would recommend downloading the
> > query result without filtering on the image_link attribute :
>
> >http://www.google.com/base/feeds/snippets/-/vehicles?bq=[year:2006][price%3C15000%20usd][vehicle_type:Sedan]
> > and then filtering the search result programmatically.
>
> > Cheers,
> > Nicolas
>
> > On Nov 26, 5:46 pm, Dennis123 <[EMAIL PROTECTED]> wrote:
>
> > > I would like to do a query that only shows cars with a photo, without
> > > having to manually sort thru them
>
> > > So I pretty much want to do something like
> > > this..http://www.google.com/base/feeds/snippets/-/vehicles?bq=[year:2006][price%3C15000%20usd][vehicle_type:Sedan][image_link!=null]
>
> > > Any ideas?
>
> > > Thanks much!
> > > Dennis- Hide quoted text -
>
> > - Show quoted text -- Hide quoted text -
>
> - Show quoted text -
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