public Form1()

        {

            InitializeComponent();

        }

        private void button1_Click(object sender, EventArgs e)

        {

            Thread t = new Thread(new ThreadStart(() =>

            {

                //dataGridView1.Rows[0].Cells[0].Value = "1"; //不会出错

                label1.Text = "";//出错 线程间操作无效: 从不是创建控件“label1”的线程访问它。

            }));

            t.Start();

        }