2 个不同页面之间的 MVVM 传输 [英] MVVM transfer between 2 different pages

问题描述

我有 MainPaqe.cs (MainPaqe.xaml) 和 Periodic_Request.cs (Periodic_Request.xaml)，此外，Periodic_Request.xaml 有名为 TxtBlock_numRequest 的 TextBox 和名为 CmbBox_lvlPriority 的 Combobox代码> 可能有 3 个选项.

I have MainPaqe.cs (MainPaqe.xaml) and Periodic_Request.cs (Periodic_Request.xaml), in addition, Periodic_Request.xaml has TextBox with name TxtBlock_numRequest and Combobox with name CmbBox_lvlPriority with possible 3 options.

问题是如何从 MainPaqe.cs 中的 TextBox 和 Combobox 获取用户书写的数字或字符串.我需要在按下 button 后获取所有这些信息.

The problem is how get user written numbers or strings from TextBox and Combobox in the MainPaqe.cs. I need to get all this information after pressing button.

我完全无法理解如何编写它并使用该模式，所以这就是为什么我需要实际代码

I completely can`t understand how to write it and use that pattern, so this why I need actual code

推荐答案

您可以尝试在 QueryString 中传递数据吗?查看此链接 样品

You can try passing the data in a QueryString? Check out this link for samples

private void button_Click(object sender, RoutedEventArgs e)
{
    string uri = String.Format("/Periodic_Request.xaml?numRequest={0}", TxtBlock_numRequest.Text);
    NavigationService.Navigate(new Uri(uri, UriKind.Relative));
}

这篇关于2 个不同页面之间的 MVVM 传输的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！