username=@"sri";
CalendarViewController *calendarViewController=[[CalendarViewController alloc]initWithNibName:@"CalendarViewController" bundle:nil AndUserName:username];
[self.navigationController pushViewController:calendarViewController animated:YES];
-[UITextFieldLabel setTextColor:], /SourceCache/UIKit_Sim/UIKit-1448.89/UILabel.m:314 2012-12-11 11:00:59.257 TIMESHEET_MANAGER[553:207] 中的断言失败*由于未捕获的异常“NSInternalInconsistencyException”而终止应用程序, 原因:'无效参数不满足:颜色'
*在第一次抛出时调用堆栈: