如何从asp应用程序更新Google日历事件？

Question

我想插入事件的主键到谷歌日历，然后在EventQuery调用后检索它来更新该事件

我没有在Evententry类中找到任何属性来分配主键，以及稍后检索以更新事件。

Answer 1

它可以通过使用ExtendedProperty下面

1.Assign an ID (same as you set in your DB) to each event you add through 
    ExtendedProperty . 
2.When updating/deleting you pass the ID and use Query to fetch it for you 
3.If the event is found you can delete/update the specific event 

Google.GData.Calendar.EventEntry Entry = new Google.GData.Calendar.EventEntry(); 

//create the ExtendedProperty and add the EventID in the new event object, 
//so it can be deleted/updated later 
ExtendedProperty oExtendedProperty = new ExtendedProperty(); 
oExtendedProperty.Name = "EventID"; 
oExtendedProperty.Value = GoogleAppointmentObj.EventID; 
Entry.ExtensionElements.Add(oExtendedProperty); 

string ThisFeedUri = "http://www.google.com/calendar/feeds/" + CalendarID 
+ "/private/full"; 
Uri postUri = new Uri(ThisFeedUri); 

//create an event query object and attach the EventID to it in Extraparameters 
EventQuery Query = new EventQuery(ThisFeedUri); 
Query.ExtraParameters = "extq=[EventID:" + GoogleAppointmentObj.EventID + "]"; 
Query.Uri = postUri; 

//Find the event with the specific ID 
EventFeed calFeed = CalService.Query(Query); 

//if search contains result then delete 
if (calFeed != null && calFeed.Entries.Count > 0) 
{ 
    foreach (EventEntry SearchedEntry in calFeed.Entries) 
    { 
     SearchedEntry.Delete(); 
     //To update comment the code above and uncomment the code below 
     //CalService.Update(SearchedEntry); 
     break; 
    } 
} 
else 
{ 
    InsertedEntry = CalService.Insert(postUri, Entry); 
} 

的方法来完成