asp.net C# SQL语句传值代码
asp教程.net c# sql语句传值代码
//方法一
public int userlogin(string username, string userpass)
{
sqlcommand com = new sqlcommand(string.format("select influence from userinfo where name= '{0}' and pass= '{1}' ",username,userpass), dbconn());
int bol;
bol = convert.toint32(com.executescalar());
return bol;
}
//方法二
public static datatable dtresult(string strsql, params sqlparameter[] pars)
{
sqlcnn = new sqlconnection(strcnn);
sqlcmd = new sqlcommand(strsql, sqlcnn);
sqlcmd.commandtype = commandtype.text;
if (pars != null && pars.length > 0)
{
foreach (sqlparameter par in pars)
{
sqlcmd.parameters.add(par);
}
}
datatable dt = new datatable();
sqladapter = new sqldataadapter(sqlcmd);
try
{
cnnopen();
sqladapter.fill(dt);
}
catch (exception ex)
{ }
finally
{
mydispose();
}
return dt;
}
补充：asp.net教程,C语言 
