asp怎么在类里写函数调用数据库读取数据

在类里面写的

public static readonly string constring=configurationmanager.connectionstrings["con"].connectionstring;

private static void fillparameter(sqlparameter[] paramss,sqlcommand sqlcmm)

{

foreach(sqlparameter parm in paramss)

{

sqlcmm.parameters.add(parm);

}

}

public static DataTable ExecuteTable(string sqltext, params sqlparameter[] paramss)

{

using(sqlconnection con=new sqlconnection(constring))

{

using(sqlcommand cmd=con.createcommand())

{

cmd.commandtext=sqltext;

fillparameter(paramss, cmd);

con.open();

using(sqldatareader reader=cmd.executereader())

{

datatable dt=new datatable();

dt.load(reader);

return dt;

}

}

}

}

ASP代码

string sql="select username,case power when 10 then '新闻管理' when 20 then '新闻编辑' end as power from users where power>0";

datatable dt=sqlhelp.executetable(sql);

保持初学者的心态!!!