//自定义线程
this.threadStart = new System.Threading.ParameterizedThreadStart(this.GetData);
 this.thread = new System.Threading.Thread(threadStart);
 this.thread.Start();
        //线程函数
        public void GetData()
        {
            DataTable Result= ExcuteSql();
            SaseThreadProc(Result);
        }
        //在自定义线程内安全把数据赋值给主窗体的列表控件
        private void SaseThreadProc(DataTable res)
        {
            if (this.DataGridViewControl.InvokeRequired)
            {
                SetDataTableCallback stdv = new SetDataTableCallback(SaseThreadProc);
                this.Invoke(stdv, new object[] { res});
            }
            else
            {
                this.DataGridViewControl.DataSource = res;
            }
        }
//这里的DataGridViewControl就是主窗口的DataGridView控件