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@ -1,10 +1,12 @@ |
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using System; |
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using System.Collections.Generic; |
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using System.Data; |
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using System.Linq; |
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using System.Text; |
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using System.Threading.Tasks; |
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using System.Windows; |
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using System.Windows.Controls; |
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using System.Windows.Controls.Primitives; |
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using System.Windows.Data; |
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using System.Windows.Documents; |
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using System.Windows.Input; |
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@ -12,6 +14,7 @@ using System.Windows.Media; |
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using System.Windows.Media.Imaging; |
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using System.Windows.Navigation; |
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using System.Windows.Shapes; |
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using static DyeingComputer.UserClass.SqliteHelper; |
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namespace DyeingComputer.View |
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{ |
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@ -23,6 +26,72 @@ namespace DyeingComputer.View |
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public SysSetView() |
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{ |
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InitializeComponent(); |
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set_sql(); |
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} |
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private SQLiteHelper SQLiteHelpers = null; //定义数据库
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private readonly string DBAddress = Environment.CurrentDirectory + "\\DataBase\\800COMPUTER.db"; //数据库路径
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DataSet sql; //内存数据缓存
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public void set_sql() |
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{ |
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SQLiteHelpers = new SQLiteHelper(DBAddress); //数据库连接路径
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SQLiteHelpers.Open(); //打开数据库
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string sql_script = "select * from System order by ParameterID asc"; |
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if (sql != null) sql.Clear(); //清空缓存
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sql = SQLiteHelpers.ExecuteDataSet(sql_script, null); //读取计划表写入缓存
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if (sql != null) Grid.ItemsSource = sql.Tables[0].DefaultView; //转换显示计划表
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SQLiteHelpers.Close(); //关闭连接
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} |
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private void Grid_CellEditEnding(object sender, DataGridCellEditEndingEventArgs e)//数据表输入事件
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{ |
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string ID; |
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string newValue = (e.EditingElement as TextBox).Text;//获得输入单元格信息
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int rownum = Grid.SelectedIndex;//获取鼠标选中行并定义变量
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if (rownum != -1)//判断鼠标定位是否有效
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{ |
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ID = (Grid.Columns[1].GetCellContent(Grid.Items[rownum]) as TextBlock).Text;//定位第0列,
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Dictionary<string, object> datagrid_v = new Dictionary<string, object>();//缓存函数
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datagrid_v.Add("Value", newValue); |
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SQLiteHelpers = new SQLiteHelper(DBAddress); //数据库连接路径
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SQLiteHelpers.Open(); //打开数据库
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SQLiteHelpers.Update("System", datagrid_v, "ParameterID ='" + ID + "'", null);//更新
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SQLiteHelpers.Close();//关闭数据库
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} |
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} |
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private void UserControl_Loaded(object sender, RoutedEventArgs e)//打开页面时的操作
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{ |
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DataGridRow dr = (DataGridRow)Grid.ItemContainerGenerator.ContainerFromIndex(0);//取第0行单元格
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DataGridCellsPresenter presenter = GetVisualChild<DataGridCellsPresenter>(dr); |
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DataGridCell cell = (DataGridCell)presenter.ItemContainerGenerator.ContainerFromIndex(3); //取第3列每行单元格
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cell.Focus(); |
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Grid.SelectedIndex = 0; |
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} |
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public static T GetVisualChild<T>(Visual parent) where T : Visual |
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{ |
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T child = default(T); |
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int numVisuals = VisualTreeHelper.GetChildrenCount(parent); |
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for (int i = 0; i < numVisuals; i++) |
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{ |
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Visual v = (Visual)VisualTreeHelper.GetChild(parent, i); |
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child = v as T; |
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if (child == null) |
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{ |
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child = GetVisualChild<T>(v); |
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} |
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if (child != null) |
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{ |
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break; |
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} |
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} |
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return child; |
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} |
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} |
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} |
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