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Export to PPTX is showing Evaluation watermark

Hi I am using Sql server Reporting services to create a report and than Exporting it to PPTX using Aspose API. After Export, Evaluation watermark is not going from the Report.


Please find the Code Below

class SlidesExportHelper
{ ///
/// Renders current report to Powerpoint presentation
///
/// The report viewer object.
/// The output presentation format.
/// The output filename.
public static void RenderWithAsposeSlides(Microsoft.Reporting.WinForms.ReportViewer reportViewer, Aspose.Slides.ReportingServices.OutputPresentationFormat format, string filename)
{
//Enable Export to RPL feature
EnableRplRenderExtension(reportViewer);

//create file for our presentation
using (FileStream pptSteam = new FileStream(filename, FileMode.Create))
{
//Instantiate an instance of license and set the license file through its path
Aspose.Slides.License license = new Aspose.Slides.License();
license.SetLicense(“Aspose.Slides.lic”);

//Get status if license is applied or not
bool isLicensed = license.IsLicensed();

if (isLicensed)
{
//Reset the applied license
license.ResetLicense();
}

Aspose.Slides.ReportingServices.RplRenderer renderer = new Aspose.Slides.ReportingServices.RplRenderer();

//start rendering process
//here we are choosing to export in PPT format and providing outputStream
renderer.StartRendering(format);

int page = 1;

//this cycle iterates through all pages of report
while (true)
{
using (MemoryStream rplStream = CreateRplStream(reportViewer, page))
{
//if rplStream is empty then we reached end of report
if (rplStream.Length == 0)
break;

//add report page as slide to the document
renderer.RenderPage(rplStream);
}
page++;
}

//call finish method to flush our newly created presentation to output stream
renderer.FinishRendering(pptSteam);
}
}

///
/// Enables the RPL rendering extension.
/// Be careful because this method alters internal state of ReportViewer class instance
/// and there is no guarantee that this method will work with future version of ReportViewer
///
/// The report viewer.
public static void EnableRplRenderExtension(Microsoft.Reporting.WinForms.ReportViewer reportViewer)
{
object service = null;

if (reportViewer.ProductVersion.StartsWith(“11”))
service = reportViewer.LocalReport.GetType().GetField(“m_processingHost”, BindingFlags.NonPublic | BindingFlags.Instance).GetValue(reportViewer.LocalReport);
else
service = reportViewer.LocalReport.GetType().GetField(“m_previewService”, BindingFlags.NonPublic | BindingFlags.Instance).GetValue(reportViewer.LocalReport);


var extensions = service
.GetType()
.GetMethod(“ListRenderingExtensions”)
.Invoke(service, null);

IList RenderingExtensions = (IList)extensions;

bool rplExportEnabled = false;
foreach (var extension in RenderingExtensions)
{
var name = extension
.GetType()
.GetProperty(“Name”)
.GetValue(extension, null)
.ToString();

if (name == “RPL”)
{
extension
.GetType()
.GetField(“m_isExposedExternally”,
BindingFlags.NonPublic | BindingFlags.Instance)
.SetValue(extension, true);
rplExportEnabled = true;

break;
}
}

if (!rplExportEnabled)
throw new Exception(“Can’t enable RPL export. Please, make sure that you are using ReportViewer 2010 or ReportViewer 2012.”);
}



///
/// Renders specific page to RPL
///
/// The report viewer.
/// The page.
static MemoryStream CreateRplStream(Microsoft.Reporting.WinForms.ReportViewer reportViewer, int page)
{
Warning[] warnings;
var stream = new MemoryStream();
reportViewer.LocalReport.Render(“RPL”,
String.Format(
@"
{0}
{0}
Embedded
", page),
(CreateStreamCallback)delegate { return stream; },
out warnings);
return stream;
}

}


Hi Rakesh,


Thank you for your interest in Aspose.Slides.

I have observed your comments and like to request you to please share with us which version of Aspose.Slides for Reporting Services are you using on your end. Please send your license file to us by following these guidelines. After you send the license file to us, please let us know by responding to this thread. I will be able to proceed further once the requested data and information is shared by you.

Best Regards,

Hi Adnan,



We just purchased the license (Have sent you license via mail) and I am using



Aspose.Slides

Version 15.6.0.0



Aspose.Slides.ReportingServices

Version 4.6.0.0

Hi Rakesh,


I have observed the license file sent by you and like to share with you that you have the license for Aspose.Slides for .NET. Aspose.Slides for Reporting Services is a different product. That is why you are getting the Evaluation Watermark on generated presentation. You may contact our business team, over this link, for more details.

Best Regards,

Thanks Adnan


Can you please share the source code for applying the licence Aspose.Slides.ReportingServices

Hi Rakesh,


I request you to please visit this documentation link for your kind reference.

Please let us know if the issue persists, after applying the license. We will be happy to assist you further.

Best Regards,