DeploymentTracker.App.Windows.AppConfigManager.ShowTFSConnectionStringManager C# (CSharp) Method

        private void ShowTFSConnectionStringManager(OperationType operation)
        {
            try
            {
                switch (operation)
                {
                    case OperationType.Add:
                        using (TFSConnectionEditor editor = new TFSConnectionEditor())
                        {
                            editor.StartPosition = FormStartPosition.CenterParent;
                            editor.ShowDialog(this);
                        }

                        break;
                    case OperationType.Edit:
                        using (TFSConnectionEditor editor = new TFSConnectionEditor(this.selectedTFSConnectionString, true))
                        {
                            editor.StartPosition = FormStartPosition.CenterParent;
                            editor.ShowDialog(this);
                        }

                        break;
                    case OperationType.Delete:
                        using (AdvancedMessageBox advBox = new AdvancedMessageBox("Are you sure you want to continue?", ReportStatus.Information, true))
                        {
                            if (DialogResult.OK == advBox.ShowDialog(this))
                            {
                                this.selectedTFSConnectionString.DeleteTFSConnectionStringToDB();
                            }
                        }

                        break;
                    default:
                        break;
                }
                string selectedServername = this.selectedTFSConnectionString != null ? this.selectedTFSConnectionString.ServerName : string.Empty;
                this.tFSConnectionsTableAdapter.Fill(this.deploymentTrackerLocalDBTFSConnectionsDataSet.TFSConnections);
                this.dgvTFSsettings.Refresh();
                if (!string.IsNullOrEmpty(selectedServername))
                {
                    foreach (DataGridViewRow item in this.dgvTFSsettings.Rows)
                    {
                        if (item.Cells[0].Value.ToString() == selectedServername)
                        {
                            item.Selected = true;
                            break;
                        }
                    }
                }
            }
            catch (InvalidOperationException invalidOps)
            {
                invalidOps.ShowUIException();
            }
            catch (ArgumentException argexception)
            {
                argexception.ShowUIException();
            }
            catch (DBConcurrencyException dbexception)
            {
                dbexception.ShowUIException();
            }
            catch (Exception e)
            {
                e.ShowGenericException();
            }
            finally
            {
                this.CheckForNoRows();
            }
        }