如何修复Syncfusion SfListView示例编译时的CS0103错误？

错误原因 #

1. GetDataSource是countryInfo.CountryInfo类中的实例方法，你在Form1类中直接调用GetDataSource()，但当前上下文（Form1）并没有定义这个方法，导致编译报错。
2. CountryInfo类中同时定义了同名的string GetDataSource属性和List<CountryInfo> GetDataSource()方法，存在命名冲突，必须移除其中一个。

修正方案 #

方案1：实例化对象后调用方法 #

首先修正CountryInfo类，移除多余的同名属性：

//Class1.cs
using System;
using System.Collections.Generic;

namespace countryInfo
{
    public class CountryInfo
    {
        public string CountryName { get; set; }
        public string Continent { get; set; }

        // 移除该属性，避免命名冲突
        // public string GetDataSource { get; set; }

        public List<CountryInfo> GetDataSource()
        {
            List<CountryInfo> countryInfoCollection = new List<CountryInfo>();
            countryInfoCollection.Add(new CountryInfo() { CountryName = "China", Continent = "Asia" });
            countryInfoCollection.Add(new CountryInfo() { CountryName = "India", Continent = "Asia" });
            return countryInfoCollection;
        }
    }
}

然后在Form1中创建CountryInfo实例，再调用方法：

//form1.cs
using Syncfusion.WinForms.ListView;
using System;
using System.Windows.Forms;
using countryInfo;

namespace Listveiw
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
            this.Controls.Add(sfListView1);
            
            // 实例化CountryInfo对象
            CountryInfo dataProvider = new CountryInfo();
            sfListView1.DataSource = dataProvider.GetDataSource();
            
            sfListView1.DisplayMember = "CountryName";
            sfListView1.ValueMember = "Continent";
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            
        }

        private void sfListView1_Click(object sender, EventArgs e)
        {

        }
    }
}

方案2：将方法改为静态（无需实例化） #

修改CountryInfo类的方法为静态：

//Class1.cs
using System;
using System.Collections.Generic;

namespace countryInfo
{
    public class CountryInfo
    {
        public string CountryName { get; set; }
        public string Continent { get; set; }

        // 移除同名属性
        // public string GetDataSource { get; set; }

        // 改为静态方法
        public static List<CountryInfo> GetDataSource()
        {
            List<CountryInfo> countryInfoCollection = new List<CountryInfo>();
            countryInfoCollection.Add(new CountryInfo() { CountryName = "China", Continent = "Asia" });
            countryInfoCollection.Add(new CountryInfo() { CountryName = "India", Continent = "Asia" });
            return countryInfoCollection;
        }
    }
}

在Form1中直接通过类名调用：

sfListView1.DataSource = CountryInfo.GetDataSource();

内容的提问来源于stack exchange，提问作者Md.Istiaq Ahmed