c#访问mysql数据库
using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Data;using System.Data.SqlClient;using System.Collections;using System.Collections.Generic;using MySql.Data.MySqlClient;using System.Data;namespace ConsoleApplication8{ class Program
{ static void Main(string[] args)
{ const string connStr = "server=localhost;database =storecode;user id=root; password=root;";//连接字符串
MySqlConnection mySqlConn = new MySqlConnection(connStr); string sqlStr = "select * from ssc_common_block";//SQL语句
try
{
mySqlConn.Open(); ;//打开连接
MySqlDataAdapter msda = new MySqlDataAdapter(sqlStr, mySqlConn);//新建MySqlDataAdapter对象
DataSet ds = new DataSet();//新建Dataset对象
msda.Fill(ds);//填充DataSet对象
Console.WriteLine("id\t\tname"); int cnt = ds.Tables.Rows.Count;//读取行数
for (int ix = 0; ix != cnt; ++ix)
{
Console.WriteLine("{0}\t\t{1}", turnString(ds.Tables.Rows.ItemArray.ToString()),
turnString(ds.Tables.Rows.ItemArray.ToString()));//循环读取数据 注意索引范围 }
Console.ReadKey();
} catch (MySqlException ex)
{
Console.WriteLine(ex.Message);
} catch (Exception ex)
{
Console.WriteLine(ex.Message);
} finally
{
mySqlConn.Close();//关闭连接 }
} //乱码解决转换函数
public static string turnString(string source)
{ var en = System.Text.Encoding.GetEncoding("UTF-8"); var bs = en.GetBytes(source); var a = System.Text.Encoding.UTF8.GetString(bs); return a;
}
}
}
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