[Google-Docs-Data-APIs] Show ppt presentations in a frame

[prasadz...@gmail.com]

hello all,
       I've a web application in which am trying to integrate google
presentations as in linked in.
using google client libraries am able to login and retrieve all the
documents present.

here is the sample code am using:

for login:

 service = new DocumentsService("DocListUploader");
                    ((GDataRequestFactory)
service.RequestFactory).KeepAlive = false;
                    service.setUserCredentials(Username.Text.Trim(),
Password.Text.Trim());
                    //force the service to authenticate
                    DocumentsListQuery query = new DocumentsListQuery
();
                    query.NumberToRetrieve = 1;
                    service.Query(query);
                    loggedIn = true;

for retrieving:

 DocumentsFeed feed = GetDocs();

                foreach (DocumentEntry entry in feed.Entries)
                {
                    ListItem item = new ListItem(entry.Title.Text);
                    item.Value = entry.AlternateUri.ToString();
                    DocList.Items.Add(item);
                }

  public DocumentsFeed GetDocs()
        {
            DocumentsListQuery query = new DocumentsListQuery();
            DocumentsFeed feed = service.Query(query);
            return feed;
        }

but i want to retrieve only ppt documents .

Also clicking on the document , i like to show it in the iframe

sample:

 <iframe src="http://docs.google.com/present/embed?
id=dd7rd6b4_3595ghws4ckh" frameborder="0" width="410" height="342"></
iframe>

for this am using selection change

protected void DocList_SelectedIndexChanged(object sender, EventArgs
e)
        {
           //DocList.SelectedValue;
            iframe.Attributes["src"] = DocList.SelectedValue;
        }

but the value is not same as sample iframe and am not able to show the
presentation.

Could anyone please help me with this????

Thanks,
Hari.


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