Hello,

I am working on a report with asp.net and c# as language. we have recently bought EO.Pdf 2012 for .NET, I am generating report within same page. It's work really great, If i don't use any other option with ASPXtoPDf, but i need only portion of the page which has report table need to print to pdf, whn i am tring to do. It is not working properly, I tried to do it with two differnt way.

On button click event (Generate Report to PDF)

ASPXToCertPDF.RenderAsPDF(false);

HtmlToPdf.Options.VisibleElementIds = "reports";

HtmlToPdfResult result = (HtmlToPdfResult)ASPXToCertPDF.Result;

string fileName = "newfile.pdf";

result.PdfDocument.Save(fileName);

But Last line giving me error:
Value cannot be null.
Parameter name: type

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.ArgumentNullException: Value cannot be null.
Parameter name: type

because ASPXTOCertPDF.result contain empty

Another way what i tried is

On button click event Generate Report to pdf

HtmlToPdf.Options.InvisibleElementIds = "header, leftCol, gvSerialNumber";
HtmlToPdf.Options.visibleElementIds = report

ASPXToCertPDF.RenderAsPDF(false);

but still it contain some of the invisibleElement in PDF file.

What is the solution, Please help me

Thanks,

I tried with ";" and also created after render event, but 1st after render event is not executing. and if i call from click event, still getting same error.



protected void ASPXToCertPDF_AfterRender(object sender, EventArgs e)
{
HtmlToPdf.Options.InvisibleElementIds = "header; leftCol; gvSerialNumber;";
HtmlToPdf.Options.VisibleElementIds = "report";

HtmlToPdfResult result = (HtmlToPdfResult)ASPXToCertPDF.Result;
string fileName = "file1.pdf";
result.PdfDocument.Save(fileName);
}

protected void btnExporttoPDF_Click(object sender, EventArgs e)
{
ASPXToCertPDF.RenderAsPDF(false);
}