如何从一个viewcontroller在另一个视图控制器中为NSString设置值 [英] How to set value for NSString in another view controller from one viewcontroller

问题描述

我正在使用Xcode 4.3.2& iOS 5.1模拟器，在我的项目中，我使用两个视图控制器:testingViewController和detailView.我想在testingViewController中选择tableViewCell后为detailView中的NSString设置值.

I'm using Xcode 4.3.2 & iOS 5.1 simulator, and in my project I am using two View Controllers: testingViewController, and detailView. I want to set values for an NSString in detailView once I didSelect tableViewCell in testingViewController.

为此，我使用了以下代码:

For that i used following code:

testingViewController.h

testingViewController.h

testingViewController.m

testingViewController.m

detailView.h

detailView.h

detailView.m

detailView.m

我在控制台中同时获得wordName和wordMeaning的空值.

I get null values for both wordName and wordMeaning in the console.

任何人都有解决方案吗?在此先感谢！

Anyone have a solution? Thanks in Advance!

推荐答案

如果您在testingViewController和detailView之间使用情节提要，请在testingViewController的prepareForSegue:方法中更改行

If you have a storyboard segue between testingViewController and detailView, in your testingViewController's prepareForSegue: method you should change line

detailView *dVw = [[detailView alloc] init]; 

到

detailView *dVw = (detailView *)segue.destinationViewController;

此外，我建议您在detailView.h文件中更改

Also, I recommend you to change in your detailView.h file the

@property (nonatomic, assign) NSString *YOUR_STRING; 

到

@property (nonatomic, copy) NSString *YOUR_STRING;

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