摘要：
using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;u 阅读全文
摘要：
private void Form1_Load(object sender, EventArgs e) { DataTable dt = new DataTable(); DataColumn c1 = new DataColumn("序号", typeof(string)); DataColumn 阅读全文