摘要: 1 private void button1_Click(object sender, EventArgs e) 2 { 3 DataTable dt1 = new DataTable(); 4 dt1.Columns.Add("ID", typeof(string)); 5 dt1.Columns 阅读全文
posted @ 2020-01-22 10:08 每天进步多一点 阅读(333) 评论(0) 推荐(0) 编辑