Dotnet总结（2）–访问ms sql server 数据库基类–2-.NET教程,.NET Framework

// 测试数据库链接
        public static bool testdbconnect(string strdsn)
        {
            bool breturn = true;
            sqlconnection osqlconnection = new sqlconnection(strdsn);
            int itmp = osqlconnection.connectiontimeout;
            try
            {
                osqlconnection.open();                
            }
            catch
            {
                breturn = false;
            }
            finally
            {
                osqlconnection.close();
                osqlconnection.dispose();
            }
            return breturn;
        }