ASP.NET oracle 语句在执行更新的时候没有任何反映不知道咱回事？

[god_5203]

string logip = Request.UserHostAddress;
DateTime now = DateTime.Now; //注册时间
string time = now.Year.ToString().Trim() + "-" + now.Month.ToString().Trim() + "-" + now.Day.ToString().Trim() + " " + now.Hour.ToString().Trim() + ":" + now.Minute.ToString() + ":" + now.Second.ToString();

OracleConnection con = OraDBHelper.init();
try
{
string sql2 = "update userinfo set endlogintime=to_date('" + time + "','yyyy-mm-dd hh24-mi:ss'),endloginIP='" + logip + "',lgoinnum=lgoinnum+1 where username='godlove'";
OracleCommand daset = new OracleCommand(sql2,con);
int i = Convert.ToInt32(daset.ExecuteNonQuery());
if (i != 0)
{
Response.Write("ok");
}
else
{
Response.Write("error");
}
}
catch (Exception e)
{
throw new Exception(e.Message.ToString());
}
finally
{
con.Close();
}

[我心飞翔]

加断点，分步调试一下，看看具体的执行情况。