一个小的IF循环
摘要:
if (textBox1.Text != "") { button1.Text = "1不为空"; } else if (textBox2.Text != "") { button1.Text = "2不为空"; } else { button1.Text = "全空"; } 阅读全文
posted @ 2020-08-18 19:21 嗨!蜗牛兄 阅读(174) 评论(0) 推荐(0)
posted @ 2020-08-18 19:21 嗨!蜗牛兄 阅读(174) 评论(0) 推荐(0)
posted @ 2020-08-18 15:57 嗨!蜗牛兄 阅读(11700) 评论(1) 推荐(2)