C# 如何在RadGridView的一行中填充数据?
我想从网格中保存和加载设置。保存设置时,此设置将保存在文件中。当我加载时,设置将再次放置在网格中。只有数据未显示在网格中。原因是什么 xaml.cs:C# 如何在RadGridView的一行中填充数据?,c#,wpf,telerik-grid,C#,Wpf,Telerik Grid,我想从网格中保存和加载设置。保存设置时,此设置将保存在文件中。当我加载时,设置将再次放置在网格中。只有数据未显示在网格中。原因是什么 xaml.cs: namespace WpfApplication1 { /// <summary> /// Interaction logic for MainWindow.xaml /// </summary> public partial class MainWindow : Window {
namespace WpfApplication1
{
/// <summary>
/// Interaction logic for MainWindow.xaml
/// </summary>
public partial class MainWindow : Window
{
string fileName = @"C:\temp\myFile.txt";
private Stream stream;
public MainWindow()
{
InitializeComponent();
InitializeSettings();
InitializeDataContext();
}
private void InitializeSettings()
{
using (var filestream = new FileStream(fileName, FileMode.OpenOrCreate, FileAccess.Read))
{
PersistenceManager manager = new PersistenceManager();
manager.Load(filestream);
}
}
private void InitializeDataContext()
{
DataContext = new ViewModel();
}
private void Window_Closing(object sender, CancelEventArgs e)
{
PersistenceManager manager = new PersistenceManager();
stream = manager.Save(myGrid);
using (var fileStream = new FileStream(fileName, FileMode.Create, FileAccess.Write))
{
stream.CopyTo(fileStream);
}
}
}
}
命名空间WpfApplication1
{
///
///MainWindow.xaml的交互逻辑
///
公共部分类主窗口:窗口
{
字符串文件名=@“C:\temp\myFile.txt”;
私有流;
公共主窗口()
{
初始化组件();
初始化设置();
初始化的TacContext();
}
私有无效初始化设置()
{
使用(var filestream=newfilestream(文件名,FileMode.OpenOrCreate,FileAccess.Read))
{
PersistenceManager=新建PersistenceManager();
加载(文件流);
}
}
private void InitializeDataContext()
{
DataContext=新的ViewModel();
}
私有无效窗口\u关闭(对象发送方,取消事件参数)
{
PersistenceManager=新建PersistenceManager();
stream=manager.Save(myGrid);
使用(var fileStream=newfilestream(文件名,FileMode.Create,FileAccess.Write))
{
CopyTo(fileStream);
}
}
}
}
xaml文件:
<Window x:Class="WpfApplication1.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:telerik="http://schemas.telerik.com/2008/xaml/presentation"
xmlns:local="clr-namespace:WpfApplication1"
Title="MainWindow"
Height="350"
Width="525"
Closing="Window_Closing">
<StackPanel x:Name="LayoutRoot">
<telerik:RadGridView x:Name="myGrid"
IsReadOnly="False"
ItemsSource="{Binding Path=Afspraken, Mode=OneWay}"
AddingNewDataItem="myGrid_AddingNewDataItem"
RowEditEnded="myGrid_RowEditEnded"
AutoGenerateColumns="False"
CanUserSortColumns="True"
CanUserResizeColumns="True"
telerik:PersistenceManager.StorageId="myGrid">
<telerik:RadGridView.Columns>
<telerik:GridViewDataColumn UniqueName="Afspraak"
Header="Afspraak"
DataMemberBinding="{Binding Path=Omschrijving, Mode=OneWay}"/>
<telerik:GridViewDataColumn UniqueName="Taak"
Header="Taak"
DataMemberBinding="{Binding Path=Opdracht, Mode=OneWay}"/>
<telerik:GridViewDataColumn UniqueName="UniqueIdea"
Header="Unique Idea"
DataMemberBinding="{Binding Path=PrimaryId, Mode=OneWay}"/>
</telerik:RadGridView.Columns>
</telerik:RadGridView>
</StackPanel>
</Window>
以及viewmodel:
public class ViewModel : ViewModelBase
{
public ViewModel()
{
ReadData();
}
public void ReadData()
{
afspraken.Add(new Afspraak() { Omschrijving = "Afspraak 1", Opdracht = "Opdracht 1", PrimaryId = 1 });
afspraken.Add(new Afspraak() { Omschrijving = "Afspraak 2", Opdracht = "Opdracht 2", PrimaryId = 2 });
}
private ObservableCollection<Afspraak> afspraken = new ObservableCollection<Afspraak>();
public ObservableCollection<Afspraak> Afspraken
{
get { return afspraken; }
set
{
if (afspraken != value)
{
afspraken = value;
OnPropertyChanged("Afspraken");
}
}
}
}
public类ViewModel:ViewModelBase
{
公共视图模型()
{
ReadData();
}
public void ReadData()
{
Add(新的Afspraak(){Omschrijving=“Afspraak 1”,Opdracht=“Opdracht 1”,PrimaryId=1});
Add(新的Afspraak(){Omschrijving=“Afspraak 2”,Opdracht=“Opdracht 2”,PrimaryId=2});
}
私有ObservableCollection afspraken=新ObservableCollection();
公共可观测集合Afspraken
{
获取{return afspraken;}
设置
{
if(afspraken!=值)
{
afspraken=价值;
不动产变更(“Afspraken”);
}
}
}
}
您不会告诉PersistenceManager
要加载什么控件,因为您不会将myGrid
作为参数传递给PersistenceManager.load()
方法:
using (var filestream = new FileStream(fileName, FileMode.OpenOrCreate, FileAccess.Read))
{
PersistenceManager manager = new PersistenceManager();
manager.Load(filestream);
}
从中可以看出,对于TreeView
,它应该是这样的:
private void Load(object sender, RoutedEventArgs e)
{
stream.Position = 0L;
PersistenceManager manager = new PersistenceManager();
manager.Load(treeView, stream);
}
我认为您需要根据您的场景调整此设置。这还不够。我放置了filestream.Position=0L;在PersistenceManager之前。您是否更改了
manager.Load(filestream)代码>到manager.Load(myGrid,stream)代码>?只是添加流的赋值。位置当然没有帮助。。。