using System; |
using System.Collections.Generic; |
using System.Linq; |
using System.Text; |
using MySql.Data.MySqlClient; |
using System.Data; |
namespace MySql_DB |
{ |
public class DBHelper |
{ |
private static string constr = "server=localhost;User Id=root;password=root;Database=dbtest" ; |
public static int Execute( string sql) |
{ |
try |
{ |
MySqlConnection con = new MySqlConnection(constr); |
con.Open(); |
MySqlCommand com = new MySqlCommand(sql, con); |
int num = com.ExecuteNonQuery(); |
con.Close(); |
return num; |
} |
catch (Exception ex) |
{ |
return 0; |
} |
} |
public static DataSet Select( string sql) |
{ |
try |
{ |
MySqlConnection con = new MySqlConnection(constr); |
con.Open(); |
MySqlDataAdapter mda = new MySqlDataAdapter(sql, con); |
DataSet ds = new DataSet(); |
mda.Fill(ds, "table1" ); |
con.Close(); |
return ds; |
} |
catch (Exception ex) |
{ |
return null ; |
} |
} |
} |
} |
by: 发表于:2018-01-08 10:19:23 顶(0) | 踩(0) 回复
??
回复评论