Esempio n. 1
0
        private void AssignEventOnButtons()
        {
            btnNew.Click += (obj, e) =>
            {
                if (!btnNew.Visible || !btnNew.Enabled)
                {
                    return;
                }

                try
                {
                    IAppHandler.StartBusy("Executing New");
                    FormState = FormStates.fsNew;
                    Run();

                    VMasterDataTable.Clear();
                    foreach (JkDetailDataSet DataSet in IAppHandler.FindControlByType("JkDetailDataSet", this))
                    {
                        DataSet.DataTable.Clear();
                    }
                }
                finally
                {
                    IAppHandler.EndBusy("Executing New");
                }
            };

            btnEdit.Click += (obj, e) =>
            {
                if (!btnEdit.Visible || !btnEdit.Enabled)
                {
                    return;
                }

                try
                {
                    IAppHandler.StartBusy("Executing Edit");
                    FormState = FormStates.fsEdit;
                    Run();
                }
                finally
                {
                    IAppHandler.EndBusy("Executing Edit");
                }
            };

            btnSave.Click += (obj, e) =>
            {
                Control focusedControl = IAppHandler.FindFocusedControl(this);

                if (!btnSave.Visible || !btnSave.Enabled)
                {
                    return;
                }

                //remove focus on databound controls, so that it will perform its validation or computation
                this.splitContainer.Panel2.Focus();

                //perform Validation first
                OnValidateSave();
                if (ValidationFails)
                {
                    if (focusedControl != null)
                    {
                        focusedControl.Select();
                    }

                    return;
                }

                if (IMessageHandler.Confirm(ISystemMessages.SavingQuestion) == DialogResult.Yes)
                {
                    try
                    {
                        IAppHandler.StartBusy("Executing Save");
                        OnBeforeSave();
                        //this should be called after before save, so that before save can be used on
                        //performing operations before assigning it to MasterColumns
                        SetColumnsValue();
                        try
                        {
                            try
                            {
                                //all of the events which interacts with the database
                                //should be just put in one connection, so if in case
                                //error occurs all the processes will be rolled back
                                VTransactionHandler.Connect();
                                VTransactionHandler.BeginTran();

                                if (FormState == FormStates.fsEdit)
                                {
                                    UnPost();
                                }

                                if (FormState == FormStates.fsNew)
                                {
                                    VTransactionHandler.SaveMaster(CommandText, ref VMasterDataTable, Parameters);
                                    SaveDetail();
                                }
                                else if (FormState == FormStates.fsEdit)
                                {
                                    VTransactionHandler.EditMaster(CommandText, Parameters);
                                    EditDetail();
                                }

                                Post();

                                VTransactionHandler.CommitTran();
                            }
                            catch (Exception ex)
                            {
                                VTransactionHandler.Rollback();
                                if (FormState == FormStates.fsNew)
                                {
                                    IMessageHandler.ShowError(ISystemMessages.SaveDataError + ex.Message);
                                }
                                else
                                {
                                    IMessageHandler.ShowError(ISystemMessages.EditDataError + ex.Message);
                                }

                                return;
                            }
                        }
                        finally
                        {
                            VTransactionHandler.Disconnect();
                        }


                        if (FormState == FormStates.fsNew)
                        {
                            KeyList.Add(Parameters[0].Value);
                            KeyId = KeyList.Count() - 1;
                        }
                        OnAfterSave();
                        FormState = FormStates.fsView;
                        Run();
                    }
                    finally
                    {
                        IAppHandler.EndBusy("Executing Save");
                    }
                }
            };

            btnCancel.Click += (obj, e) =>
            {
                if (!btnCancel.Visible || !btnCancel.Enabled)
                {
                    return;
                }

                if (IMessageHandler.Confirm(ISystemMessages.ClosingOrCancellingQuestion) == DialogResult.Yes)
                {
                    this.splitContainer.Panel2.Focus();
                    try
                    {
                        IAppHandler.StartBusy("Executing Cancel");
                        if (FormState == FormStates.fsNew)
                        {
                            if (ParametersHasValues())
                            {
                                FormState = FormStates.fsView;
                                Run();
                            }
                            else
                            {
                                CloseForm();
                            }
                        }
                        else
                        {
                            FormState = FormStates.fsView;
                            Run();
                        }
                    }
                    finally
                    {
                        IAppHandler.EndBusy("Executing Cancel");
                    }
                }
            };

            btnFirstRecord.Click += (obj, e) =>
            {
                if (!btnFirstRecord.Visible || !btnFirstRecord.Enabled)
                {
                    return;
                }

                ReQuery(obj, e);
            };

            btnPreviousRecord.Click += (obj, e) =>
            {
                if (!btnPreviousRecord.Visible || !btnPreviousRecord.Enabled)
                {
                    return;
                }

                ReQuery(obj, e);
            };

            btnNextRecord.Click += (obj, e) =>
            {
                if (!btnNextRecord.Visible || !btnNextRecord.Enabled)
                {
                    return;
                }

                ReQuery(obj, e);
            };

            btnLastRecord.Click += (obj, e) =>
            {
                if (!btnLastRecord.Visible || !btnLastRecord.Enabled)
                {
                    return;
                }

                ReQuery(obj, e);
            };
        }