Hello. I have created a report using the Standalone Designer. I am able to display the report in an MVC view using an HTML5 Report Viewer but I have not been able to display data using ObjectDataSource and an in-memory business object.

I found this post by Stef on the forums (16 Jul 2014):
“The HTML5 Report Viewer and the Reporting REST service does not use the MVC concept. Thus if you have a model containing data or other information required in your reports, you need to implement a logic to access that model in the reports' controller e.g. to store the data and access it by key in the service's resolver, or to modify the reports to use such data source component, that wraps a data retrieval method having access to that model.”

¿Could you please elaborate how this is done?

The post continues: “… A demo of a report that uses a custom data retrieval method is available in the local examples under C:\Program Files (x86)\Telerik\Reporting Q2 2014\Examples\CSharp\ReportLibrary\DataBinding. The ListBoundReport uses an ObjectDataSource to retrieve data from a custom business object. This business object can be modified anywhere in the application, when the report is requested its ObjectDataSource will search for the assigned data retrieval method and will get the data.”

I have reviewed the example but I still don’t get how it works. The objectDataSource1 has DataSource assigned but no DataMember assigned. Shouldn’t the DataMember property contain the data retrieval method name mentioned in Stef’s post to get the data? In any case, how does it know what instance of the class should be used to retrieve the data from? Let’s say I have a Product class and there are 2 instances of this class: productA and productB, How do I tell ObjectDataSource to use product for instance?

Thank you very much in advanced,
Humberto

Can someone help me with code to put inside my Win Form vb.net that will allow me to pass a Parameter to my Q1 2010 report that will affect the SQL WHERE Clause?  I am creating a Purchase Order Report and need to pass the report the PO Number that the report needs to generate. 

This has to be the simpliest of all report questions and I fill dumb for asking but I can't find any help on telerik website.  I have spent hours looking. 

Thanks!

Is there a way to disable those warning icons that appear on the corner of an element when 2 or more elements overlap ?

If I place a subreport on a report and try and select the report object, then Report Document the subsequent popup screen is just blank and white. I have attached some screenshots. Any ideas? This makes it very tedious to create a subreport as I need to manually edit the Designer.cs and .resx files.

I am also trying to pass parameters to a report from a .NET aspx web form. I tried converting your C# solution to VB.Net and was unsuccessful. I am using the following code:

Dim Report1 as New Telerik.Reporting.Report
Dim instanceReportSource =  New Telerik.Reporting.InstanceReportSource()
instanceReportSource.ReportDocument = Report1
ReportViewer1. ReportSource = Report1
Report1.ReportParameters("@Loc").Value = "Corporate Plaza"   <<===== ERROR ON THIS LINE
ReportViewer1.RefreshReport()


I get an error stating that an Object reference not set to an instance of an object.

Use the "New" keyword to create an object instance.

I have  tried several things and so far have not been able to get past this point.

Your help would be greatly appreciated as once I have the parameter passing working my management will be ready to pull the trigger on purchasing your "Reporting" tools and possibly some other packages.

Thanks in advance,
Alan

Hi!

I'm currently working on a project, where I would need a dynamic table with the possibilty of adding rows to the existing template (you can see that one in the attachments).  I just can't find a proper solution on how to create tables in code.

Thanks for the replys in advance!

I have written several dozen programs to date which take advantage of the Telerik AJAX suite and Telerik Reports.  The combination has been very effective.  As time has progressed we have updated our operating environment so that the consideration of going pure HTML5 is now an option.

What is needed to migrate existing application viewers and reports from their existing viewer and report layout?  My reading of the documentation suggests that I might have unknowingly coded myself into a blind end.  The HTML 5 reports seem to use a different file extension and I cannot find any means of conversion between the two layouts.  Am I reading the "tea leaves" correctly?

As things now sit the existing apps are asp.net Ajax web forms type combined with Telerik controls and forms.  New projects will be started with MVC/Kendo solutions however I would love to be able to use existing reports without having to rewrite everything and use a HTML5 viewer.  With one program having 85+ unique reports you can see my problem.

Any insight and pointers would be appreciated.  This is in no way intended as a slight against Telerik.  Their products have been extremely useful and I look forward to getting to the "newer" technologies.

 

 

Hi,

I'm creating a graph for a sale report, and there is some details that I'm not able to configure to my need. 

See the attached image to see what I have up to now.

There is two things missing :

1) I'd like to increase the spacing between the Y axis and the first bar, to have a bit more room between the bar label at the top and the axis. I tried padding on the axis, the bar label, the plotarea and those doesn't seem to work.

 

2) I have two sector in this case that have a value of zero, why don't they have a label shown? 

 

Thanks for you help,

Maxime

 

 

I have created a report with several 'navigate to report' actions within it, drilling down from one report to another. Everything looks and works great in the stand alone report designer. However, once deployed within the HTML5 Report Viewer, I can get the first report loaded and rendered, but the textboxes with the drill down action to another report does not work. They are not even clickable. I have tried debugging my custom report controller, reportconnectionmanager, and the standard report controller to find nothing wrong and no errors thrown. All paths to the reports look correct. I also tried publishing my app and running on a test site, and opening in several browsers, but nothing works. Any ideas why the actions would not be working? 

Hi to all,

I'm trying to use a ObjectDataSource, this one is configurated using a method that return a single object, this object has several collection (List<OtherMyObject>) as property.

If I what show my first object (several property as string or datetime), and then show something of relatives collection into a table?

I note that in DataExplorer dock shows my collections but I don't see its properties.

How can I set my Table with this collection, setting relative properties?