/// <summary> /// 创建数据库连接和SqlCommand实例 /// </summary> public DataLogic() { ServerPath sp = new ServerPath(); string iniName = "DataBase"; //获取登录的服务器 string strServer = sp.sqlPath(iniName, "Server"); //获取登录的数据库名 string strDatabase = sp.sqlPath(iniName, "Data"); //获取登录用户 string strUserID = sp.sqlPath(iniName, "UserID"); //获取登录密码 string strPwd = sp.sqlPath(iniName, "Pwd"); //数据库连接字符串 string strConn = "Server = " + strServer + ";Database=" + strDatabase + ";User id=" + strUserID + ";PWD=" + strPwd; try { m_Conn = new SqlConnection(strConn); m_Cmd = new SqlCommand(); m_Cmd.Connection = m_Conn; } catch (Exception e) { throw e; } }