every day is another day!

摘要： 首先看看sqlhelper,就是Ado.net的辅助数据库操作类，传的是sql语句。1.常量定义private SqlConnection objSqlConnection = new SqlConnection(); private SqlCommand objSqlcommand = new SqlCommand(); private SqlDataAdapter objSDA = new SqlDataAdapter(); private static object objLock = new object(); public static string sqlConnString = 阅读全文