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wpf app全局变量传参方法（代码片段）

清空某行绑定的行数据：

1    int RowIndex = datagrid.SelectedIndex;
2  _Table.Rows[RowIndex]["AVERAGE_PRICE"] = DBNull.Value;

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弹出层对象：（用于弹出二级页面）

 1  /// 弹出层对象  
 2         public static NavigationWindow window = null;
 3         #region 使用NavigationWindow弹出页面
 4         private void ShowNavigationWindow(string title, string uri, int width, int height)
 5         {
 6             try
 7             {
 8                 window = new NavigationWindow();//创建窗体对象
 9                 window.Title = title;
10                 window.MaxHeight = height;
11                 window.MaxWidth = width;
12                 window.Width = this.ActualWidth;
13                 window.Height = this.ActualHeight;
14                 window.WindowStyle = WindowStyle.ToolWindow;//设置边框样式
15                 window.WindowStartupLocation = WindowStartupLocation.CenterScreen;//设置显示位置
16                 window.ResizeMode = ResizeMode.NoResize;//设置显示
17                 window.Source = new Uri(uri, UriKind.Relative);//设置url
18                 window.ShowsNavigationUI = false;
19                 window.ShowInTaskbar = false;
20                 window.ShowDialog();
21                 window.Close();
22             }
23             catch(Exception ex){
24                 
25             }
26           
27         }

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将变量赋值给app中的全局变量

 1  string backgoodsid = ""; string backgoodscode = "";
 2             DataGridRow row = sender as DataGridRow;
 3             var cell = row.Item;
 4             DataRowView item = cell as DataRowView; 
 5             if (item != null)
 6             {
 7                 backgoodsid = item[0].ToString();
 8             }
 9             if (item != null)
10             {
11                 backgoodscode = item[4].ToString();
12             }
13             string Startdate = STARTDATE.Text;
14             string Enddate = ENDDATE.Text;
15             string a = StaffSearchType.Text;
16             (Application.Current as App).BackgoodsCode = backgoodscode;
17             (Application.Current as App).Backgoodsid = backgoodsid;
18             (Application.Current as App).StartDate = Startdate;
19             (Application.Current as App).EndDate = Enddate;
20             (Application.Current as App).window = a;

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在二级页面获取数据

 1   #region 获取数据
 2 
 3             if ((Application.Current as App).BackgoodsCode != "")
 4             {
 5                 backgoodscode = (Application.Current as App).BackgoodsCode;
 6             }
 7             if((Application.Current as App).Backgoodsid != "")
 8             {
 9                 backgoodsid= (Application.Current as App).Backgoodsid;
10             }
11             if ((Application.Current as App).Type != "")
12             {
13                 type = (Application.Current as App).Type;
14             } 
15             if ((Application.Current as App).StartDate != "")
16             {
17                 Startdate = (Application.Current as App).StartDate;
18             }
19             if ((Application.Current as App).EndDate != "")
20             {
21                 Enddate = (Application.Current as App).EndDate;
22             }
23             if ((Application.Current as App).window != "")
24             {
25                 a = (Application.Current as App).window;
26             }
27             #endregion

View Code

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原文地址：https://www.cnblogs.com/wangzhe688/p/9323860.html

wpf app全局变量传参方法（代码片段 ）

wpf app全局变量传参方法（代码片段）