lanbda

 private void button2_Click(object sender, EventArgs e)
        {
            List<int> list = new List<int>() { 1,4,2,3,6,9};
            foreach (var item in list.Where(x => x > 5))
            {
                textBox3.Text +="\b" +item.ToString();
            }
        }

lanbda

原文：http://www.cnblogs.com/haimingkaifa/p/5732631.html