/// <summary> /// Method responsible for raising the Updating event /// </summary> protected virtual void OnUpdating(EntityCancelEventArgs e) { if (Updating != null) { Updating(this, e); } }
/// <summary> /// Method responsible for raising the Saving event /// </summary> protected virtual void OnSaving(EntityCancelEventArgs e) { if (Saving != null) { Saving(this, e); } }
/// <summary> /// Method responsible for raising the Inserting event /// </summary> protected virtual void OnInserting(EntityCancelEventArgs e) { if (Inserting != null) { Inserting(this, e); } }
/// <summary> /// Method responsible for raising the Deleting event /// </summary> protected virtual void OnDeleting(EntityCancelEventArgs e) { if (Deleting != null) { Deleting(this, e); } }
/// <summary> /// Persists a Customer object to the data store. This is /// internal, and is used for recursive saves within a transaction. /// </summary> /// <param name="helper">The data connection helper</param> public override void Save(SqlHelper helper) { EntityCancelEventArgs e = new EntityCancelEventArgs(this, helper); bool isSavingEntity = false; EnsureParentProperties(); OnSaveStarting(e); if (!e.Cancel) { if (IsNew || IsDirty || IsDeleted) { isSavingEntity = true; OnSaving(e); this.Validate(helper); if ((!this.IsDeleted) && (this.ValidationErrors.Count > 0)) { throw new EntityException("Validation failed.", this, helper); } if (!e.Cancel) { if (this.IsDeleted) { this.Delete(helper); return; } if (this.IsDirty) { if (this.IsNew) { this.Insert(helper); } else { this.Update(helper); } } } } if (!e.Cancel) { UpdateChildren(helper, UpdateType.Save); if (isSavingEntity) { OnSaved(new EntityEventArgs(this, helper)); } } OnSaveFinished(new EntityEventArgs(this, helper)); } }
/// <summary> /// Deletes a Customer object from the data store. This is /// is used for deletes within a transaction. /// </summary> /// <param name="helper">The data connection helper</param> public void Delete(SqlHelper helper) { EntityCancelEventArgs e = new EntityCancelEventArgs(this, helper); OnDeleting(e); if (!e.Cancel) { string commandText = this.DeleteSqlStatement; System.Collections.Generic.List <SqlParameter> parameters = GetParameterList(ColumnType.PrimaryKeyColumn); helper.Execute(commandText, CommandType.Text, parameters); OnDeleted(new EntityEventArgs(this, helper)); } }
///// <summary> ///// Updates a Customer object to the data store. This is ///// protected, and is used for updates within a transaction. ///// </summary> ///// <param name="helper">The data connection helper</param> protected void Update(SqlHelper helper) { EntityCancelEventArgs e = new EntityCancelEventArgs(this, helper); OnUpdating(e); if (!e.Cancel) { string commandText = this.UpdateSqlStatement; System.Collections.Generic.List <SqlParameter> parameters = GetParameterList(ColumnType.DatabaseColumn); using (IDataReader reader = helper.ExecuteDataReader(commandText, CommandType.Text, parameters)) { if (reader.Read()) { this.Initialize(reader); } } OnUpdated(new EntityEventArgs(this, helper)); } }