Microsoft Visual Studio 2005中使用水晶报表,修改

在搜索到的 Microsoft Visual Studio 2005中使用水晶报表，使用其中的web

【WEB方式下】
///功能：拉模式提取水晶报表

// SetDatabaseLogon 拉模式中必须用这个方法来设置登录信息，参数一：用户名；参数二：密码；参数三：服务器；参数四：数据库名
CrystalReportSource1.ReportDocument.SetDatabaseLogon("sa", "123456", @"SYWZSWL\SQLEXPRESS", "Test");

////在开发完成后，部署到服务器上，如果数据库名改变，报表会提示 需要更多信息。英文版：The report you requested requires further information

改为：

// SetDatabaseLogon 拉模式中必须用这个方法来设置登录信息，参数一：用户名；参数二：密码；参数三：服务器；参数四：数据库名
                //CrystalReportSource1.ReportDocument.SetDatabaseLogon(ConfigurationSettings.AppSettings["ConnectionUserId"].ToString(), ConfigurationSettings.AppSettings["ConnectionPwd"].ToString(), ConfigurationSettings.AppSettings["ConnectionServer"].ToString(), ConfigurationSettings.AppSettings["ConnectionDatabase"].ToString());
                TableLogOnInfo logonInfo = new TableLogOnInfo();
                ConnectionInfo conn = new ConnectionInfo();
                conn.ServerName = ConfigurationSettings.AppSettings["ConnectionServer"].ToString();
                conn.DatabaseName = ConfigurationSettings.AppSettings["ConnectionDatabase"].ToString();
                conn.UserID = ConfigurationSettings.AppSettings["ConnectionUserId"].ToString();
                conn.Password = ConfigurationSettings.AppSettings["ConnectionPwd"].ToString();

                foreach (CrystalDecisions.CrystalReports.Engine.Table table in CrystalReportSource1.ReportDocument.Database.Tables)
                {
                    logonInfo = table.LogOnInfo;
                    logonInfo.ConnectionInfo = conn;
                    table.ApplyLogOnInfo(logonInfo);
                    table.Location = table.Name;
                }

////这是.net1.1里用的方法，为什么2.0里方法会出现这样的问题，谁有更好的方法？