数据从.txt文件中导入数据库

设计界面：

向该form中拖入一个openfiledialog，重命名为：opfdImport

txt文件中的内容为：

实现代码为：

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.IO;
using System.Data.SqlClient;
using System.Data.Sql;
using System.Configuration;

namespace 数据的导入导出
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {

        }

        private void btnimport_Click(object sender, EventArgs e)
        {
            if (opfdImport .ShowDialog ()!=DialogResult .OK)
            {
                return ;
            }
         //   string strmapth = @"Data Source=.SQLEXPRESS;AttachDbFilename=F:学习C#练习C#时的代码ado.net数据的导入导出Users.mdf;Integrated Security=True;User Instance=True";
            string strmapth = ConfigurationManager.ConnectionStrings["mydb"].ConnectionString;        
            using (SqlConnection conn = new SqlConnection(strmapth))
            {
                conn.Open();
                string InsertYuju = "Insert into T_Persons (Name,age) values (@dbname,@dbage)";
                using (SqlCommand cmd = new SqlCommand(InsertYuju, conn))
                {
                    using (FileStream fileStream = File.OpenRead(opfdImport.FileName))
                    {
                        using (StreamReader streamReader = new StreamReader(fileStream))
                        {
                            string line = null;
                            while ((line = streamReader.ReadLine()) != null)
                            {
                                string[] strs = line.Split('|');
                                string name = strs[0];
                                int age = Convert.ToInt32(strs[1]);
                                cmd.Parameters.Clear();
                                cmd.Parameters.Add(new SqlParameter("dbname", name));
                                cmd.Parameters.Add(new SqlParameter ("dbage",age));
                                cmd.ExecuteNonQuery();
                                
                            }
                        }
                    }
                }
                MessageBox.Show("导入成功！");
            }
        }
    }
}

运行结果为：

至此工作结束。