我是采用MYSQL实现的,所以首先需要导入MySql.Data.dll和MySQLDriverCS.dll,避免有些函数不能用。 命名空间: using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq
我是采用MYSQL实现的,所以首先需要导入MySql.Data.dll和MySQLDriverCS.dll,避免有些函数不能用。
命名空间:
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 MySql.Data.MySqlClient;
using MySQLDriverCS;
winform用的是dataGridView,需要分以下几个步骤:
(1)数据库数据
MySqlConnection conn = new MySqlConnection("server = "+IPAdr+";uid = root; pwd =111;database =ser;charset=gb2312;");
conn.Open();
string str = "insert into ped values(NULL,' " + DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") + " ',' " + dataInfo + " ' ) "; //主要ID且要有‘’号
MySqlCommand comm = new MySqlCommand(str,conn);
comm.ExecuteNonQuery();
comm.Dispose();
conn.Close();
注意:创建数据库时,时间的格式是timestamp,且要设置刷新当前时间戳记时;ID为自动递增且为主键;
(2)数据库连接及显示:
MySqlConnection conn = new MySqlConnection("server = 127.0.0.1;uid = root; pwd =111;database =ser;charset=gb2312;");
MySqlCommand comm;
conn.Open();
string str = "select * from ped";
MySqlDataAdapter da = new MySqlDataAdapter(); // 实例化sqldataadpter
MySqlCommand cmd1 = new MySqlCommand(str, conn); // sql语句
da.SelectCommand = cmd1; // 设置为已实例化SqlDataAdapter的查询命令
DataSet ds1 = new DataSet(); // 实例化dataset
da.Fill(ds1); // 把数据填充到dataset
dataGridView1.DataSource = ds1.Tables[0].DefaultView; // 将数据集绑定datagridview,完成显示

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