[英]Auto-generated code in WPF shows error. (C#, WPF, Visual Studio Community 2013)
最近,我开始在Visual Studio 2013社区中使用C#。 我遇到以下错误时正在创建一个简单的数据绑定。 我在做什么,我使用的是从数据库拖放到主窗口。 Visual Studio生成了必需的XAML和.cs文件。 该代码存在以下错误。 我搜索了很多,却没有找到解决方案。 它显示在
错误:“访问非静态字段方法或属性需要对象引用”
以下是我的XAML。
<Window
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:local="clr-namespace:rrplproj" x:Class="rrplproj.MainWindow"
Title="MainWindow" Height="700" Width="1024" WindowState="Maximized" Loaded="Window_Loaded">
<Window.Resources>
<local:rDataSet x:Key="rDataSet"/>
<CollectionViewSource x:Key="dateViewSource" Source="{Binding Date, Source={StaticResource rDataSet}}"/>
<CollectionViewSource x:Key="deliveryViewSource" Source="{Binding Delivery,
Source={StaticResource rDataSet}}"/>
</Window.Resources>
<Grid Background="#FFDBFDF8">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="165*"/>
<ColumnDefinition Width="172*"/>
<ColumnDefinition Width="171*"/>
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition Height="56*"/>
<RowDefinition Height="149*"/>
<RowDefinition Height="18*"/>
</Grid.RowDefinitions>
<Grid x:Name="grid1" DataContext="{StaticResource dateViewSource}" HorizontalAlignment="Left"
Margin="19,23,0,0" Grid.Row="1" VerticalAlignment="Top" Height="32" Width="151">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="Auto"/>
<ColumnDefinition Width="Auto"/>
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition Height="Auto"/>
</Grid.RowDefinitions>
<Label Content="Date:" Grid.Column="0" HorizontalAlignment="Left" Margin="3" Grid.Row="0"
VerticalAlignment="Center"/>
<DatePicker x:Name="dateDatePicker" Grid.Column="1" HorizontalAlignment="Left" Margin="3" Grid.Row="0"
SelectedDate="{Binding Date, Mode=TwoWay, NotifyOnValidationError=true, ValidatesOnExceptions=true}"
VerticalAlignment="Center"/>
</Grid>
<Grid x:Name="grid2" Grid.Column="1" DataContext="{StaticResource deliveryViewSource}"
HorizontalAlignment="Left" Margin="64,18,0,0" Grid.Row="1" VerticalAlignment="Top">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="Auto"/>
<ColumnDefinition Width="Auto"/>
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition Height="Auto"/>
</Grid.RowDefinitions>
<Label Content="Truck No:" Grid.Column="0" HorizontalAlignment="Left" Margin="3" Grid.Row="0"
VerticalAlignment="Center"/>
<TextBox x:Name="truckNoTextBox" Grid.Column="1" HorizontalAlignment="Left" Height="23" Margin="3"
Grid.Row="0" Text="{Binding TruckNo, Mode=TwoWay, NotifyOnValidationError=true, ValidatesOnExceptions=true}"
VerticalAlignment="Center" Width="120"/>
</Grid>
</Grid>
以下是在C#中由ide自动生成的代码。
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
namespace rrplproj
{
/// <summary>
/// Interaction logic for MainWindow.xaml
/// </summary>
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
}
private void Window_Loaded(object sender, RoutedEventArgs e)
{
// Load data into the table Date. You can modify this code as needed.
rrplproj.rDataSetTableAdapters.DateTableAdapter rDataSetDateTableAdapter =
new rrplproj.rDataSetTableAdapters.DateTableAdapter();
rDataSetDateTableAdapter.Fill(rDataSet.Date);
System.Windows.Data.CollectionViewSource dateViewSource =
((System.Windows.Data.CollectionViewSource)(this.FindResource("dateViewSource")));
dateViewSource.View.MoveCurrentToFirst();
// Load data into the table Delivery. You can modify this code as needed.
rrplproj.rDataSetTableAdapters.DeliveryTableAdapter rDataSetDeliveryTableAdapter =
new rrplproj.rDataSetTableAdapters.DeliveryTableAdapter();
rDataSetDeliveryTableAdapter.Fill(rDataSet.Delivery);
System.Windows.Data.CollectionViewSource deliveryViewSource =
((System.Windows.Data.CollectionViewSource)(this.FindResource("deliveryViewSource")));
deliveryViewSource.View.MoveCurrentToFirst();
}
}
}
错误显示在这里
rDataSetDateTableAdapter.Fill(rDataSet.Date);
和这里:
rDataSetDeliveryTableAdapter.Fill(rDataSet.Delivery);
它在下面显示红线
(rDataSet.Date)
和
(rDataSet.Delivery)
感谢您的帮助。
感谢您阅读到最后一行。
从来没有尝试过使用数据集,但是它很简单,就意味着它无法创建此命名空间中的rDataSet实例-rrplproj,我们将需要一些信息abt rDataSet以便进一步了解它。 xaml ..
否则在后面的代码的构造函数中写这个...
myObj = new rDataSet();
this.Resources.Add("rDataSet", myObj);
并将其从您的xaml中删除
<local:rDataSet x:Key="rDataSet"/>
这将为rDataSet添加资源
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