道歉不接受以前的答案。我不知道如何接受他們。找不到問題
現在我的問題是不是一個而是兩個,其中如下:
應用要求:員工的輸入方式並點擊保存按鈕。應在表格視圖中添加員工的姓名。單擊一行,細節應該顯示在詳細視圖中。
問題1:單擊保存按鈕,第一次後,它會顯示在表視圖,但是從下一個點擊,它纔會顯示,除非應用程序被重新啓動。我的代碼如下:
(void)saveDetails{
EmployeeDetailsAppDelegate *appDelegate = (EmployeeDetailsAppDelegate *) [[UIApplication sharedApplication] delegate];
NSManagedObjectContext *context = [appDelegate managedObjectContext];
NSManagedObject *newDetails;
newDetails = [NSEntityDescription insertNewObjectForEntityForName:@"Details" inManagedObjectContext:context];
[newDetails setValue:empID.text forKey:@"EmployeeID"];
[newDetails setValue:empName.text forKey:@"EmployeeName"];
[newDetails setValue:empDepartment.text forKey:@"EmployeeDepartment"];
empID.text = @"";
empName.text = @"";
empDepartment.text = @"";
[[appDelegate rootViewController]addNewObject:empName.text];
NSError *error;
[context save:&error];
[self dismissModalViewControllerAnimated:YES];
}
問題2:這基本上不是一個問題,而是一個查詢。在點擊表格視圖中的一行時,員工部門將顯示在詳細視圖中。現在我想顯示員工ID。我該怎麼做?我給僱員部門顯示的代碼是:
(void)tableView:(UITableView *)aTableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
if([self.array count]){
dictionary = [self.array objectAtIndex:indexPath.row] ;
if([dictionary objectForKey:@"EmployeeDepartment"]){
[dictionary objectForKey:@"EmployeeDepartment"];
NSString *empDep = [dictionary objectForKey:@"EmployeeDepartment"];
NSLog(@"Dep is %@",empDep);
}
}
detailViewController.detailItem = [NSString stringWithFormat:@"Employee Department: %@",[dictionary objectForKey:@"EmployeeDepartment"]];
self.navigationItem.leftBarButtonItem.enabled = YES;
}
問候, Dipanjan
PS:這是爲iPad與用作存儲核心數據。