sql = "select id from info";
SqlDataReader MyReader = Data.getreader(sql);
string Kid = MyReader["id"].tostring();(MyReader结果集中有4条记录,其id 为别为:2,11,36,95 )string aa;如何能让aa的值为: 2,11,36,95 这个字符串
SqlDataReader MyReader = Data.getreader(sql);
string Kid = MyReader["id"].tostring();(MyReader结果集中有4条记录,其id 为别为:2,11,36,95 )string aa;如何能让aa的值为: 2,11,36,95 这个字符串
while( MyReader.Read()){
string =aa+ MyReader["id"].tostring()+",";
}
aa=aa.Substring(0,a.Length-1);
while(MyReader.Read())
{
aa+=MyReader.GetString(i)+",";
}
aa=aa.Substring(0,aa.Length-1)