Aspose Dynamic Slide Generation CRM 2011的空值收集数据

Question

我在Microsoft CRM Dynamics 2011中使用Aspose在幻灯片中生成动态内容。即使代码中的逻辑似乎正确并且不应产生空值或空值，也无法正确填充多个字段和关系的数据。值，并且我已经确认数据库中的字段确实存在数据（某些字段和关系确实填充了正确的数据）。所有这些问题都是在Powerpoint本身尚未生成之前发生的，因此实际上，这些问题可能不是“ Aspose”问题，它们可能只是Web Service / CRM问题，它们是异步检索数据的。]

设置幻灯片工作流程：

1）HTML Web资源包括一个Silverlight按钮，用于下载PowerPoint报告2）在按钮上单击Silverlight应用程序，通过Web服务请求异步收集CRM中的Project实体所需的所有数据3）数据被编译成一个Project类，然后传递给ReportGenerator服务，并使用该数据填充PowerPoint的各个部分（这是我们使用自定义Aspose内容的部分）4）Aspose功能会遍历每个指定的幻灯片，并对其进行解析，并在需要的地方添加数据。5）Powerpoint已完成，并向用户吐出了填充的数据。

这是两个我无法在其中填充数据的示例。下面的project.Pwins值最终为null，这表示lambda表达式未正确执行，在方法末尾仍为null，这告诉我突出显示的行甚至根本没有执行。

示例1：

    /// <summary>
    /// Retrieves and stores information required for P(win) report, and then tries to send a web service request.
    /// </summary>
    /// <param name="service"></param>
    private void LoadPwin(ReportServiceClient service)
    {
        string filter = string.Format("?$filter=sfa_Project/Id eq guid'{0}'", GetProjectId());
        string url = GetEntitySetAddress("sfa_pwin_competitor") + filter;

        WebClient client = new WebClient();
        client.DownloadStringCompleted += (sender, args) =>
        {
            if (args.Error == null)
            {
                StringReader stream = new StringReader(args.Result);
                XmlReader reader = XmlReader.Create(stream);

                List<PWin> pwins = new List<PWin>();
                List<Dictionary<string, string>> dictionaries = LoadEntitiesFromXml(reader);
                foreach (Dictionary<string, string> dictionary in dictionaries)
                {
                    PWin pwin = new PWin();
                    pwin.CompanyName = ParseDictionaryValue(dictionary["sfa_competitor"]);
                    pwin.IsBoeing = (ParseDictionaryValue(dictionary["sfa_is_boeing"]) == "true");
                    pwin.IsDomestic = (ParseDictionaryValue(dictionary["sfa_domestic_or_international"]) == "true");
                    pwin.AffordabilityWeight = ParseDictionaryValueToNumber(dictionary["sfa_affordability_weight"]);
                    pwin.AffordabilityScore = ParseDictionaryValueToNumber(dictionary["sfa_affordability_score"]);
                    pwin.CustomerRelationshipWeight = ParseDictionaryValueToNumber(dictionary["sfa_customer_relationship_weight"]);
                    pwin.CustomerRelationshipScore = ParseDictionaryValueToNumber(dictionary["sfa_customer_relationship_score"]);
                    pwin.CustomerAdvantageWeight = ParseDictionaryValueToNumber(dictionary["sfa_customer_advantage_weight"]);
                    pwin.CustomerAdvantageScore = ParseDictionaryValueToNumber(dictionary["sfa_customer_advantage_score"]);
                    pwin.CompetitionWeight = ParseDictionaryValueToNumber(dictionary["sfa_competition_weight"]);
                    pwin.CompetitionScore = ParseDictionaryValueToNumber(dictionary["sfa_competition_score"]);
                    pwin.CPOBCWeight = ParseDictionaryValueToNumber(dictionary["sfa_cpobc_weight"]);
                    pwin.CPOBCScore = ParseDictionaryValueToNumber(dictionary["sfa_cpobc_score"]);
                    pwin.CompanyResourcesWeight = ParseDictionaryValueToNumber(dictionary["sfa_company_resources_weight"]);
                    pwin.CompanyResourcesScore = ParseDictionaryValueToNumber(dictionary["sfa_company_resources_score"]);
                    pwin.CompanyResourcesInvestmentWeight = ParseDictionaryValueToNumber(dictionary["sfa_company_resources_investment_weight"]);
                    pwin.CompanyResourcesInvestmentScore = ParseDictionaryValueToNumber(dictionary["sfa_company_resources_investment_score"]);
                    pwin.ProgramBackgroundWeight = ParseDictionaryValueToNumber(dictionary["sfa_program_background_weight"]);
                    pwin.ProgramBackgroundScore = ParseDictionaryValueToNumber(dictionary["sfa_program_background_score"]);
                    pwin.ContinuityOfEffortWeight = ParseDictionaryValueToNumber(dictionary["sfa_continuity_of_effort_weight"]);
                    pwin.ContinuityOfEffortScore = ParseDictionaryValueToNumber(dictionary["sfa_continuity_of_effort_score"]);
                    pwin.ExecutionWeight = ParseDictionaryValueToNumber(dictionary["sfa_execution_weight"]);
                    pwin.ExecutionScore = ParseDictionaryValueToNumber(dictionary["sfa_execution_score"]);
                    pwin.TechnicalSolutionWeight = ParseDictionaryValueToNumber(dictionary["sfa_technical_solution_weight"]);
                    pwin.TechnicalSolutionScore = ParseDictionaryValueToNumber(dictionary["sfa_technical_solution_score"]);
                    pwin.StrategyToWinWeight = ParseDictionaryValueToNumber(dictionary["sfa_strategy_to_win_weight"]);
                    pwin.StrategyToWinScore = ParseDictionaryValueToNumber(dictionary["sfa_strategy_to_win_score"]);
                    pwin.ManagementStrengthWeight = ParseDictionaryValueToNumber(dictionary["sfa_management_strength_weight"]);
                    pwin.ManagementStrengthScore = ParseDictionaryValueToNumber(dictionary["sfa_management_strength_score"]);
                    pwin.CustomerPercievedCommitmentWeight = ParseDictionaryValueToNumber(dictionary["sfa_customers_percieved_commitment_weight"]);
                    pwin.CustomerPercievedCommitmentScore = ParseDictionaryValueToNumber(dictionary["sfa_customers_percieved_commitment_score"]);
                    pwin.PastPerformanceWeight = ParseDictionaryValueToNumber(dictionary["sfa_past_performance_weight"]);
                    pwin.PastPerformanceScore = ParseDictionaryValueToNumber(dictionary["sfa_past_performance_score"]);

                    pwin.RawPWin = ParseDictionaryValueToDecimal(dictionary["sfa_pwin_score"]);
                    pwin.RelativePWin = ParseDictionaryValueToDecimal(dictionary["sfa_relative_pwin_score"]);
                    pwins.Add(pwin);
                }

                project.PWins = new ObservableCollection<PWin>(pwins);
                PwinReady = true;

                reader.Close();
                TrySendRequest(service);
            }
        };

        client.DownloadStringAsync(new Uri(url));
    }
示例2，下面的project.TeamMembers值最终为空：

    /// <summary>
    /// Retrieves and stores information required for Capture Team Roster report, and then tries to send a web service request.
    /// </summary>
    /// <param name="service"></param>
    private void LoadCaptureTeamRoster(ReportServiceClient service)
    {
        string filter = string.Format("?$select=sfa_name,sfa_Role&$filter=sfa_Project/Id eq guid'{0}'", GetProjectId());
        string url = GetEntitySetAddress("sfa_team_roster") + filter;

        WebClient client = new WebClient();
        client.DownloadStringCompleted += (sender, args) =>
        {
            if (args.Error == null)
            {
                StringReader stream = new StringReader(args.Result);
                XmlReader reader = XmlReader.Create(stream);

                List<TeamMember> members = new List<TeamMember>();

                List<Dictionary<string, string>> dictionaries = LoadEntitiesFromXml(reader);
                foreach (Dictionary<string, string> dictionary in dictionaries)
                {
                    TeamMember member = new TeamMember();
                    member.Name = ParseDictionaryValue(dictionary["sfa_name"]);
                    member.Role = ParseDictionaryValue(dictionary["sfa_role"]);

                    members.Add(member);
                }

                project.TeamMembers = new ObservableCollection<TeamMember>(members);

                CaptureTeamRosterReady = true;

                reader.Close();

                TrySendRequest(service);
            }
        };
        client.DownloadStringAsync(new Uri(url));
    }
这是另一个与关系无关的示例，而是与CRM中的项目实体上填充的字段有关的问题，该字段在检索数据后显示为空。 CaptureTeamLeader和ProgramManager最终都为空字符串，但是在填充ProjectName和ProjectNumber时没有麻烦。
    private void LoadCampaignTitle(ReportServiceClient service)
    {
        project.ProjectName = GetAttributeValue("sfa_name");
        project.ProjectNumber = GetAttributeValue("sfa_project_number");
        project.CaptureTeamLeader = GetAttributeValue("sfa_capture_team_leader_emp");
        project.ProgramManager = GetAttributeValue("sfa_program_manager_emp");
        CampaignTitleReady = true;

        TrySendRequest(service);
    }
任何帮助将不胜感激。预先感谢！
编辑：

这是要求的AttributeValue方法：

    /// <summary>
    /// Gets the value of provided attribute from the current page's Xrm data. If for any reason the retrieval fails, returns an empty string.
    /// </summary>
    /// <param name="attributeName"></param>
    /// <returns></returns>
    private string GetAttributeValue(string attributeName)
    {
        // NOTE: This is the preferred way to retrieve data from the CRM. However for some unknown issue,
        // this always returns NULL. It will be replaced with directly calling .eval to the window object.
        // dynamic Xrm = (ScriptObject)HtmlPage.Window.GetProperty("window.parent.Xrm");
        try
        {
            return HtmlPage.Window.Invoke("getAttributeValue", attributeName).ToString();
        }
        catch (ArgumentNullException)
        {
            return string.Empty;
        }
        catch (ArgumentException)
        {
            return string.Empty;
        }
        catch (InvalidOperationException)
        {
            return string.Empty;
        }
    }
我在Microsoft CRM Dynamics 2011的幻灯片中使用Aspose生成动态内容。即使...中的逻辑，数据也无法正确填充多个字段和关系。

Answer 1

这个问题的解决方案是编号1我的代码中的downloadstringasync和其他位置都是异步执行的，因此调试器使我失望，并在稍后真正执行时将它们显示为null。实际修复需要对托管Web服务的文件夹中的client.xml文件进行一些更改。