protected void DeleteSeriesButton_Clicked(object sender, ImageClickEventArgs e)
        {

            if (DeletingSeries==null || DeletingSeries.Count==0)
                return;
                    
            Study study = DeletingSeries[0].Study;

            string serverPartitionAE = DeletingSeries[0].ServerPartitionAE;

            if (Page.IsValid)
            {
                try
                {
                    var reason = ReasonListBox.SelectedItem.Text;

                    if (!String.IsNullOrEmpty(SaveReasonAsName.Text))
                    {
                        reason = SaveReasonAsName.Text;
                        SaveCustomReason();
                    }

                    OnDeletingSeries();
                    StudyController controller = new StudyController();

                    if(DeleteEntireStudy)
                    {
                        try
                        {
                            
                            controller.DeleteStudy(DeletingSeries[0].StudyKey, reason + ImageServerConstants.ReasonCommentSeparator[0] + Comment.Text);
                        }
                        catch (Exception ex)
                        {
                            Platform.Log(LogLevel.Error, ex);
                            StringBuilder log = new StringBuilder();
                            log.AppendLine(string.Format("Unable to delete all series in study {0} on partition {1}", study.StudyInstanceUid, serverPartitionAE));
                            log.AppendLine(ex.Message);
                            Platform.Log(LogLevel.Error, log.ToString());

                            throw;
                        }

                    } 
                    else
                    {
                        try
                        {
                            IList<Series> series = new List<Series>();
                            foreach (DeleteSeriesInfo seriesInfo in DeletingSeries)
                            {
                                series.Add((seriesInfo.Series));
                            }
                            controller.DeleteSeries(DeletingSeries[0].Study, series, reason + ImageServerConstants.ReasonCommentSeparator[0] + Comment.Text);
                        }
                        catch (Exception ex)
                        {
                            Platform.Log(LogLevel.Error, ex);
                            StringBuilder log = new StringBuilder();
                            log.AppendLine(string.Format("Unable to delete the following series in study {0} on partition {1}", study.StudyInstanceUid, serverPartitionAE));
                            foreach (var series in DeletingSeries)
                            {
                                log.AppendLine(string.Format("\tSeries #{0}  {1}  {2}", series.SeriesNumber, series.Description, series.Modality));
                            }

                            log.AppendLine(ex.Message);
                            Platform.Log(LogLevel.Error, log.ToString());
                            throw;
                        }
                    }

                    OnSeriesDeleted(study);
                }
                finally
                {
                    Close();
                }
            }
            else
            {
                EnsureDialogVisible();
            }
        }
        protected override void OnInit(EventArgs e)
        {
            base.OnInit(e);

            DeleteConfirmation.Confirmed += delegate
                                                {
                                                  ScriptManager.RegisterStartupScript(Page, Page.GetType(),
                                                                                      "alertScript", "self.close();",
                                                                                      true);

                                                  DeleteRequest deleteRequest = DeleteConfirmation.Data as DeleteRequest;

                                                  StudyController studyController = new StudyController();
                                                  studyController.DeleteSeries(deleteRequest.SelectedStudy, deleteRequest.Series, deleteRequest.Reason);
                                              };

            DeleteSeriesButton.Roles = AuthorityTokens.Study.Delete;
            MoveSeriesButton.Roles = AuthorityTokens.Study.Move;

            UpdateAuthorityGroupDialog.AuthorityGroupsEdited += UpdateAuthorityGroupDialog_AuthorityGroupsEdited;

            //DataAccessTabPanel.Visible = Thread.CurrentPrincipal.IsInRole(ClearCanvas.Enterprise.Common.AuthorityTokens.Admin.Security.AuthorityGroup);
            DataAccessTabPanel.Enabled = Thread.CurrentPrincipal.IsInRole(ClearCanvas.ImageServer.Enterprise.Authentication.AuthorityTokens.Study.EditDataAccess);
            
        }