Re: Efficiently Deleteng All Events in a Calendar

code to delete all entries in the calendar is actually in the unittest caltest.cs in the C# lib. Looks like this:

 while (calFeed != null && calFeed.Entries.Count > 0)
                {
                    // look for the one with dinner time...
                    foreach (AtomEntry entry in calFeed.Entries)
                    {
                        entry.Delete(); 
                        iCount++; 
                        Tracing.TraceMsg("CalendarCleanup = deleting entry" + iCount);
                    }
                    // just query the same query again.
                    calFeed = service.Query(query);
                }

You should not have problems with the NextChunk property in general, what's the problem you got? I found that it is not useful for the delete job, as the server, when you start deleting, would end up skipping entries... 

Frank Mantek

On 9/29/06, jwalton@xxxxxxxxx <jwalton@xxxxxxxxx> wrote:

Jenyphur wrote:

>
> Can you post your code so I can see if we are doing things the same
> way? Thanks.
>

My code is very standard and as follows. One important point is that I
found it possible to make use of the ".NextChunk()" method; doing so
always returned a result that was incompatible with the query.Uri
property, so resulting in a run-time abort. In the end I just read all
the events in one go.

John

Precis of code:

string calendarURI = "myUrl";
string userName = " xxxxx@xxxxxxxxxxxxxx";
string passWord = "mypassword";

            EventQuery query = new EventQuery();
            CalendarService service = new
CalendarService(ApplicationName);

            if (userName != null)
            {
                service.setUserCredentials(userName, passWord);
            }

            query.Uri = new Uri(calendarURI);
                        query.NumberToRetrieve=999 ;

            EventFeed calFeed = service.Query(query);

            DeleteEvents (calFeed, query, service);

private void DeleteEvents (EventFeed calFeed,
        EventQuery query,
        CalendarService service){
        int i=0;
            while (calFeed != null && calFeed.Entries.Count > 0)
            {
                foreach (EventEntry entry in calFeed.Entries){
          i++;
          Response.Write (i.ToString() + " Deleting: " + entry.Title.Text +
"<br />");
          entry.Delete();
                }
         calFeed = null;
            }
}

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