public partial class Form1 : Form
{
    public Form1()
    {
        InitializeComponent();
        dgv_1.RowHeadersVisible = false;
        dgv_2.RowHeadersVisible = false;
        dgv_3.RowHeadersVisible = false;
        dgv_4.RowHeadersVisible = false;
    }

    private void btn_BindIList_Click(object sender , EventArgs e)
    {
        //将IList<int>绑定到dgv_1
        IList<int> intList = new List<int>();
        intList.Add(1);
        intList.Add(99);
        dgv_1.DataSource = intList;

        //将Table绑定到dgv_2
        DataTable dt = new DataTable();
        dt.Columns.Add();
        dt.Rows.Add(1);
        dt.Rows.Add(99);
        dgv_2.DataSource = dt;

        //将IList<String>绑定到dgv_3
        IList<String> strList = new List<String>();
        strList.Add("1");
        strList.Add("99");
        dgv_3.DataSource = strList;

        //将IList<MyString>绑定到dgv_4,MyString是一个包含一个string成员变量的类
        IList<MyString> myStrList = new List<MyString>();
        myStrList.Add(new MyString("1"));
        myStrList.Add(new MyString("99"));
        dgv_4.DataSource = myStrList;

        //将IList<MyStringInt>绑定到dgv_5,MyStringInt是一个包含一个string和一个int成员变量的类
        IList<MyStringInt> myStrIntList = new List<MyStringInt>();
        myStrIntList.Add(new MyStringInt("1" , 1));
        myStrIntList.Add(new MyStringInt("99" , 99));
        dgv_5.DataSource = myStrIntList;


        dgv_2.Columns[0].Width = dgv_2.Width - 3;
        dgv_3.Columns[0].Width = dgv_3.Width - 3;
        //dgv_4.Columns[0].Width = dgv_4.Width - 3;
        //dgv_3.Columns[0].Width = dgv_3.Width - 3;
    }
}

public class MyString
{
    public string str;
    public MyString(string str)
    {
        this.str = str;
    }
}

public class MyStringInt
{
    public string str;
    public int i;
    public MyStringInt(string str , int i)
    {
        this.str = str;
        this.i = i;
    }
}

 //将IList <int>绑定到dgv_1 
     IList <int> intList = new List <int>(); 
     intList.Add(1); 
     intList.Add(99); 
     dgv_1.DataSource = intList; 
     dgv_1.DataBind(); //here