private async void InsertCurrentUser()
 {
     customers cust = new customers
     {
         name = LiveUserInfo.Name,
         userId = LiveUserInfo.Id,
         createdAt = DateTime.Now.ToUniversalTime(),
         updatedAt = DateTime.Now.ToUniversalTime(),
         userImage = LiveUserInfo.pic,//"http://azmob.blob.core.windows.net/images/" + LiveUserInfo.Name.Replace(' ', '_').ToLower() + ".jpg",
         channeluri = LiveUserInfo.channelUri
     };
     await App.MobileService.GetTable<customers>().InsertAsync(cust);
     this.Frame.Navigate(typeof(WhereTheFriend.Welcome));
 }
 private async void UpdateCurrentUser(List<customers> list)
 {
     customers cust = new customers
     {
         id = Convert.ToInt32(list[0].id),
         name = list[0].name,
         userId = list[0].userId,
         createdAt = list[0].createdAt,
         updatedAt = DateTime.Now.ToUniversalTime(),
         userImage = list[0].userImage,
         channeluri = LiveUserInfo.channelUri
     };
     if (cust.userImage == null)
         cust.userImage = LiveUserInfo.pic;// "http://azmob.blob.core.windows.net/images/" + cust.name.Replace(' ', '_').ToLower() + ".jpg";
     await App.MobileService.GetTable<customers>().UpdateAsync(cust);
 }