public void AddClientCommand_Executed(object sender) { if (AppProperties.FormHaveModifications) { _contoData.ClientAdd(new Client { Name = Name, Address = Address, City = City, PostalCode = PostalCode, FiscalCode = FiscalCode, VatCode = VatCode }); Name = string.Empty; Address = string.Empty; City = string.Empty; PostalCode = string.Empty; FiscalCode = string.Empty; VatCode = string.Empty; _completeList = new List <Client>(_contoData.ClientsGet()); NumberOfPages = (int)Math.Ceiling((double)_completeList.Count / NumberOfRowsInClientsGrid); SetClientsList(); AppProperties.FormHaveModifications = false; } }