名称空间“clr-namespace:WpfApplication2”中不存在名称“Class1”

Question

我有一个标题中的问题 为什么<v:Class1 x:Key="con" /> 字段中的文件 Edycja.xaml 收到错误消息

错误 7 命名空间“clr-命名空间：WpfApplication2”中不存在名称“Class1”

我在每个文件中都有使用，这需要这个。

Edycja.xaml

<Window 
   x:Class="AllSportsBets102.Edycja" 
   xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 
   xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" 
   Title="Edycja" 
   SizeToContent="WidthAndHeight" 
   WindowStartupLocation="CenterScreen" 
   x:Name="Window" 
   xmlns:v="clr-namespace:WpfApplication2">
   <Window.Resources>
      <v:Class1 x:Key="con" />
   </Window.Resources>
   <Grid>
      <Grid>
         <Grid.RowDefinitions>
            <RowDefinition Height="129*" />
            <RowDefinition Height="47*" />
         </Grid.RowDefinitions>
         <DataGrid Grid.Row="0" ItemsSource="{Binding Path=people, ElementName=Window}" AutoGenerateColumns="False" >
            <DataGrid.Columns>
               <DataGridTextColumn Header="ClientName" Binding="{Binding clientName}" IsReadOnly="True"/>
               <DataGridTextColumn Header="ClientType" Binding="{Binding clientType}" IsReadOnly="True"/>
               <DataGridComboBoxColumn Header="Product" Width="120" CanUserSort="False" SelectedValueBinding="{Binding product}" >
                  <DataGridComboBoxColumn.ElementStyle>
                     <Style TargetType="ComboBox">
                        <Setter Property="ItemsSource" Value="{Binding Path=clientType,Converter={StaticResource con}}"/>
                        <Setter Property="SelectedValue" Value="{Binding Path=product}"/>
                     </Style>
                  </DataGridComboBoxColumn.ElementStyle>
                  <DataGridComboBoxColumn.EditingElementStyle>
                     <Style TargetType="ComboBox">
                        <Setter Property="ItemsSource" Value="{Binding Path=clientType,Converter={StaticResource con}}" />
                        <Setter Property="SelectedValue" Value="{Binding Path=product}"/>
                     </Style>
                  </DataGridComboBoxColumn.EditingElementStyle>
               </DataGridComboBoxColumn>
            </DataGrid.Columns>
         </DataGrid>
      </Grid>
   </Grid>
</Window>

Class1.cs（这是转换器）

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using AllSportsBets102;
using System.Windows.Data;
namespace WpfApplication2
{
    public class Class1 : IValueConverter
    {
        #region IValueConverter Members

        public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            if (value != null && !string.IsNullOrWhiteSpace(value.ToString()))
            {
                if (value.ToString() == "National")
                    return Edycja.nationalProducts;
                return Edycja.interNationalProducts;
            }
            return null;
        }

        public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            throw new NotImplementedException();
        }

        #endregion
    }
}

Edycja.xaml.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
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;
using System.Data.SqlClient;
using System.Data;
using System.Globalization;
using System.Net;
using System.Xml;
using System.Xml.Schema;
using System.Collections.ObjectModel;
using System.Text.RegularExpressions;
using System.Net.Mail;
using Xceed.Wpf.Toolkit;
using AllSportsBets102.DataGridHelpers;
using AllSportsBets102;
using System.ComponentModel;
namespace AllSportsBets102
{
    public class person
    {
        public string product
        {
            get;
            set;
        }
        public string clientType
        {
            get;
            set;
        }
        public string clientName
        {
            get;
            set;
        }
    }

    public partial class Edycja : Window
    {
        Funkcje FK;
        EdycjaKursow EK;
        public List<string> ListaDyscyplina = new List<string>();
        public List<string> ListaSystemRozgrywek = new List<string>();
        public List<string> ListaKraj = new List<string>();
        public List<string> ListaNazwaLigi = new List<string>();
        public List<string> ListaKolejka = new List<string>();
        public List<string> ListaSystemTypowan = new List<string>();
        public List<string> ListaGospodarze = new List<string>();
        public List<string> ListaGoscie = new List<string>();

        public static List<Data2> dataSourcetmpXXX = new List<Data2>();

        public ObservableCollection<person> people
        {
            get;
            set;
        }

        public static ObservableCollection<string> nationalProducts
        {
            get;
            set;
        }

        public static ObservableCollection<string> interNationalProducts
        {
            get;
            set;
        }

        public Edycja()
        {
            people = new ObservableCollection<person>()
            {
                new person(){product = "a",clientType = "National", clientName="mbt"},
                new person(){product = "p",clientType = "International", clientName="patni"},
                new person(){product = "b",clientType = "National", clientName="igate"},
                new person(){product = "r",clientType = "International", clientName="cgi"}

            };
            nationalProducts = new ObservableCollection<string>() { "a", "b", "c", "d", "e" };
            interNationalProducts = new ObservableCollection<string>() { "p", "q", "r", "s", "t" };
            InitializeComponent();
        }
    }
}

Answer 1

创建新类并在 XAML 中声明它时通常会出现此错误。尝试构建，如果错误是真实的，它仍然存在。

但大多数情况下，这会导致验证错误消失，您的应用程序将准备就绪。