C# 如何从列表中填充数据网格？

Yo guyz

我正试图用另一个树列表填充我的两个datagrids列。有人知道我该怎么做吗？我的解决方案从表中读取数据，并通过for循环将其显示在消息框中。我不知道如何将列绑定到datagrid中显示此信息

public void WybierzDoRaportu()
    {
        List<string> NameTab = new List<string>();
        List<string> NumerTab = new List<string>();
        List<string> IloscTab = new List<string>();

        DataTable dt = new DataTable();
        DataSet ds = new DataSet();
        MySqlCommand cmd = new MySqlCommand(" SELECT c.nazwa, c.symbol, z.id_czesci_symbol, z.ilosc, z.z_numer_naprawy FROM `sylpo_test`.`zamowienie` AS z LEFT JOIN `test`.`czesc` AS c ON c.symbol=z.id_czesci_symbol WHERE z.z_numer_naprawy='" + numberBox.Content.ToString() + "' ORDER BY ilosc;", connection);
        MySqlDataAdapter adp = new MySqlDataAdapter(cmd);
        try
        {            
            connection.Open();

            using (MySqlDataReader dr = cmd.ExecuteReader())   //do a query
            {
                dt.Load(dr);
            }
            adp.Fill(ds, "LoadDataBinding");
        }
        catch (MySqlException ex)
        {
            MessageBox.Show(ex.ToString());
        }
        finally
        {
            connection.Close();
        }

        foreach (DataRow dRow in dt.Rows)
        {
            NameTab.Add(dRow[0].ToString());
            NumerTab.Add(dRow[2].ToString());
            IloscTab.Add(dRow[3].ToString());          
        }

        for (int i = 0; i <= dt.Rows.Count - 6; i++)
        {
            czesciTable.ItemsSource = NameTab; // not working :/
            MessageBox.Show(NameTab.ElementAt(i) + " " + NumerTab.ElementAt(i) + " " + IloscTab.ElementAt(i));
        }


        for (int i = 5; i <= dt.Rows.Count - 1; i++)
        {
            MessageBox.Show(NameTab.ElementAt(i) + " " + NumerTab.ElementAt(i) + " " + IloscTab.ElementAt(i)+" druga tura");
        }
    }

public void WybierzDoRaportu（）
{
列表名称选项卡=新建列表（）；
List NumerTab=新列表（）；
List IloscTab=新列表（）；
DataTable dt=新的DataTable（）；
数据集ds=新数据集（）；
MySqlCommand cmd=new MySqlCommand（“选择c.nazwa、c.symbol、z.id\u czesci\u symbol、z.ilosc、z.z\u numer\u naprawy FROM`sylpo\u test`.`zamovienie`AS z LEFT JOIN`test`.`czesc`AS c.symbol=z.id\u czesci\u symbol其中z.z\u numer\u naprawy=''''++numberBox.Content.ToString（）+“'ORDER BY ilosc；”，connection）；
MySqlDataAdapter adp=新的MySqlDataAdapter（cmd）；
尝试
{            
connection.Open（）；
使用（MySqlDataReader dr=cmd.ExecuteReader（））//执行查询
{
dt.荷载（dr）；
}
自动填充（ds，“加载数据绑定”）；
}
捕获（MySqlException-ex）
{
Show（例如ToString（））；
}
最后
{
connection.Close（）；
}
foreach（数据行中的数据行dRow）
{
NameTab.Add（dRow[0].ToString（））；
NumerTab.Add（dRow[2].ToString（））；
添加（dRow[3].ToString（））；
}
对于（int i=0；i首先，这不是一个公共属性，它是在您拥有的方法或构造函数中定义的：

List<string> NameTab = new List<string>();

更新1:

DataGrid应如何工作的示例：

<Window x:Class="DataGridExample.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="MainWindow" Height="350" Width="525">
<Grid>
    <DataGrid x:Name="czesciTable" ItemsSource="{Binding NameTab}" 
              AutoGenerateColumns="False"
              CanUserAddRows="False" 
              VerticalAlignment="Top"  
              FontSize="12" 
              FontWeight="Bold" 
              BorderBrush="Black" 
              Background="White" 
              HeadersVisibility="Column" 
              CanUserReorderColumns="False"
              CanUserSortColumns="False"
              ScrollViewer.CanContentScroll="False" 
              VerticalScrollBarVisibility="Disabled">
        <DataGrid.Columns>
            <DataGridTextColumn Binding="{Binding Path=id_czesci_symbol}" Header="ID" Width="51"
                        IsReadOnly="True" CanUserResize="False" />
            <DataGridTextColumn Binding="{Binding Path=Nazwa}" Header="NAZWA" Width="70"
                        IsReadOnly="True" CanUserResize="False" />
            <DataGridTextColumn Binding="{Binding Path=Symbol}" Header="Symbol" Width="60"
                        IsReadOnly="True" CanUserResize="False" />
        </DataGrid.Columns>
    </DataGrid>
</Grid>

结果:

首先，这不是一个公共属性，它是在您拥有的方法或构造函数中定义的：

List<string> NameTab = new List<string>();

更新1:

DataGrid应如何工作的示例：

<Window x:Class="DataGridExample.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="MainWindow" Height="350" Width="525">
<Grid>
    <DataGrid x:Name="czesciTable" ItemsSource="{Binding NameTab}" 
              AutoGenerateColumns="False"
              CanUserAddRows="False" 
              VerticalAlignment="Top"  
              FontSize="12" 
              FontWeight="Bold" 
              BorderBrush="Black" 
              Background="White" 
              HeadersVisibility="Column" 
              CanUserReorderColumns="False"
              CanUserSortColumns="False"
              ScrollViewer.CanContentScroll="False" 
              VerticalScrollBarVisibility="Disabled">
        <DataGrid.Columns>
            <DataGridTextColumn Binding="{Binding Path=id_czesci_symbol}" Header="ID" Width="51"
                        IsReadOnly="True" CanUserResize="False" />
            <DataGridTextColumn Binding="{Binding Path=Nazwa}" Header="NAZWA" Width="70"
                        IsReadOnly="True" CanUserResize="False" />
            <DataGridTextColumn Binding="{Binding Path=Symbol}" Header="Symbol" Width="60"
                        IsReadOnly="True" CanUserResize="False" />
        </DataGrid.Columns>
    </DataGrid>
</Grid>

结果:

你有什么错误？@实用程序我没有任何错误我的数据网格没有显示数据。只有空单元格。你有什么错误？@实用程序我没有任何错误我的数据网格没有显示数据。只有空单元格。
<Window x:Class="DataGridExample.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="MainWindow" Height="350" Width="525">
<Grid>
    <DataGrid x:Name="czesciTable" ItemsSource="{Binding NameTab}" 
              AutoGenerateColumns="False"
              CanUserAddRows="False" 
              VerticalAlignment="Top"  
              FontSize="12" 
              FontWeight="Bold" 
              BorderBrush="Black" 
              Background="White" 
              HeadersVisibility="Column" 
              CanUserReorderColumns="False"
              CanUserSortColumns="False"
              ScrollViewer.CanContentScroll="False" 
              VerticalScrollBarVisibility="Disabled">
        <DataGrid.Columns>
            <DataGridTextColumn Binding="{Binding Path=id_czesci_symbol}" Header="ID" Width="51"
                        IsReadOnly="True" CanUserResize="False" />
            <DataGridTextColumn Binding="{Binding Path=Nazwa}" Header="NAZWA" Width="70"
                        IsReadOnly="True" CanUserResize="False" />
            <DataGridTextColumn Binding="{Binding Path=Symbol}" Header="Symbol" Width="60"
                        IsReadOnly="True" CanUserResize="False" />
        </DataGrid.Columns>
    </DataGrid>
</Grid>

public partial class MainWindow : Window
{
    public ObservableCollection<Model> NameTab { get; set; }

    public MainWindow()
    {
        InitializeComponent();
        NameTab = new ObservableCollection<Model>();
        NameTab.Add(new Model() { id_czesci_symbol = 1, Nazwa = "Nazwa1", Symbol = "Symbol1" });
        NameTab.Add(new Model() { id_czesci_symbol = 2, Nazwa = "Nazwa2", Symbol = "Symbol2" });
        NameTab.Add(new Model() { id_czesci_symbol = 3, Nazwa = "Nazwa3", Symbol = "Symbol3" });
        this.DataContext = this;

    }
}

public class Model : INotifyPropertyChanged
{

    private string _Nazwa;

    public string Nazwa
    {
        get { return _Nazwa; }
        set
        {
            _Nazwa = value;
            PropertyChanged(this, new PropertyChangedEventArgs("Nazwa"));
        }
    }

    private string _Symbol;

    public string Symbol
    {
        get { return _Symbol; }
        set
        {
            _Symbol = value;
            PropertyChanged(this, new PropertyChangedEventArgs("Symbol"));
        }
    }

    private int _id_czesci_symbol;

    public int id_czesci_symbol
    {
        get { return _id_czesci_symbol; }
        set
        {
            _id_czesci_symbol = value;
            PropertyChanged(this, new PropertyChangedEventArgs("id_czesci_symbol"));
        }
    }

    public event PropertyChangedEventHandler PropertyChanged = delegate { };
}