Hi,<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />
We are still getting performance issues with following error when converting HTML to PDF:
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29/10/2013 2:49:50 PM ReportsPDF - ExportToPDF - : Template ReadE:/ARMS/HTMFiles/rptIndex_of_Organisation_And_Agency_Names_read.htm
System.NullReferenceException Object reference not set to an instance of an object. at
..[1](String , Pdf , Section , Text )
at
..[1](Pdf , Section , Cell , Text , HeaderFooter , [1] , )
at
..[1](Pdf , Section , Table , Cell , Text , HeaderFooter , [1] , )
at
..[1](Pdf , Section , HeaderFooter , Table , Row , Cell , Text , [1] , , Boolean )
at
..[1](Pdf , Section , [1] )
at
..[1](Pdf )
at
..[1]( , Pdf )
at Aspose.Pdf.Generator.Pdf.Save(String fileName, SaveType saveType, HttpResponse response)
at ArmsRepository.ARMSReportHelper.ExportToPDF(String readTemplate, HttpResponse response, String[] sHeaderFooter, String sReportNumber) in E:\ArMS_Bh\ECS.ArMS.Repository\ARMSReportHelper.cs:line 3734
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***Logging started***
29/10/2013 2:49:50 PM ReportsPDF - ReportGridView_RowCommand
System.NullReferenceException Object reference not set to an instance of an object. at
..[1](String , Pdf , Section , Text )
at
..[1](Pdf , Section , Cell , Text , HeaderFooter , [1] , )
at
..[1](Pdf , Section , Table , Cell , Text , HeaderFooter , [1] , )
at
..[1](Pdf , Section , HeaderFooter , Table , Row , Cell , Text , [1] , , Boolean )
at
..[1](Pdf , Section , [1] )
at
..[1](Pdf )
at
..[1]( , Pdf )
at Aspose.Pdf.Generator.Pdf.Save(String fileName, SaveType saveType, HttpResponse response)
at ArmsRepository.ARMSReportHelper.ExportToPDF(String readTemplate, HttpResponse response, String[] sHeaderFooter, String sReportNumber) in E:\ArMS_Bh\ECS.ArMS.Repository\ARMSReportHelper.cs:line 3785
at ArmsRepository.ArMSRepository.ExportToPDF(String readTemplate, HttpResponse response, String[] sHeaderFooter, String sReportNumber) in E:\ArMS_Bh\ECS.ArMS.Repository\ArMSRepository.cs:line 409
at ECS.ArMS.ReportsPdf.ReportGridView_RowCommand(Object sender, GridViewCommandEventArgs e) in E:\ArMS_Bh\ECS.ArMS\ReportsPdf.aspx.cs:line 197
***Logging ended***
Code which we are using for HTML to PDF conversion is:
public static void ExportToPDF(string readTemplate, HttpResponse response, String[] sHeaderFooter, string sReportNumber)
{
StreamReader r = File.OpenText(readTemplate);
try
{
Aspose.Pdf.License license = new Aspose.Pdf.License();
license.SetLicense(System.Web.HttpContext.Current.Server.MapPath("bin/Aspose.Pdf.lic"));
// Instantiate an object PDF class
Aspose.Pdf.Generator.Pdf pdf = new Aspose.Pdf.Generator.Pdf();
// add the section to PDF document sections collection
Aspose.Pdf.Generator.Section section = pdf.Sections.Add();
// Create Header Section of the document
Aspose.Pdf.Generator.HeaderFooter header = new Aspose.Pdf.Generator.HeaderFooter(section);
// set the Odd header for the PDF file
section.OddHeader = header;
// Set the Even Header for the PDF file
section.EvenHeader = header;
// add the section to PDF document sections collection
Aspose.Pdf.Generator.Section section1 = pdf.Sections.Add();
// Create Footer Section of the document
Aspose.Pdf.Generator.HeaderFooter footer = new Aspose.Pdf.Generator.HeaderFooter(section1);
// set the Odd footer for the PDF file
section.OddFooter = footer;
// Set the Even footer for the PDF file
section.EvenFooter = footer;
// add the section to PDF document sections collection
Aspose.Pdf.Generator.Section section2 = pdf.Sections.Add();
Aspose.Pdf.Generator.Text txt = new Aspose.Pdf.Generator.Text(section, sHeaderFooter[0].ToString());
Aspose.Pdf.Generator.Text txtFooter = new Aspose.Pdf.Generator.Text(section1, sHeaderFooter[1].ToString());
txt.Margin.Top = 50;
txt.Margin.Left = 8;
txt.TextInfo.FontSize = 9;
txt.TextInfo.IsTrueTypeFontBold = true;
txt.TextInfo.FontName = "Arial";
txtFooter.Margin.Bottom = 5;
txtFooter.Margin.Top = 20;
txtFooter.Margin.Left = 30;
txtFooter.TextInfo.FontSize = 8;
txtFooter.TextInfo.IsTrueTypeFontBold = true;
txtFooter.TextInfo.FontName = "Arial";
// Add text to footer section of the Pdf file
footer.Paragraphs.Add(txtFooter);
// Add text to Header section of the Pdf file
header.Paragraphs.Add(txt);
//Create text paragraphs containing HTML text
Aspose.Pdf.Generator.Text text2 = new Aspose.Pdf.Generator.Text(section, r.ReadToEnd());
// enable the property to display HTML contents within their own formatting
//Start : Added the property to bind the Fontsize & Name (Rajesh.L)
text2.IsHtmlTagSupported = true;
text2.TextInfo.FontSize = 8;
text2.TextInfo.FontName = "Arial";
text2.TextInfo.IsTrueTypeFontBold = true;
text2.IfHtmlTagSupportedOverwriteHtmlFontNames = true;
text2.IfHtmlTagSupportedOverwriteHtmlFontSizes = true;
if (string.Compare(sReportNumber, "07") == 0)
{
text2.TextInfo.IsTrueTypeFontBold = false;
}
if (string.Compare(sReportNumber, "05") == 0)
{
txt.TextInfo.FontSize = 7;
txt.TextInfo.IsTrueTypeFontBold = false;
header.Margin.Right = 2;
}
else if (string.Compare(sReportNumber, "01") == 0
|| string.Compare(sReportNumber, "02") == 0
|| string.Compare(sReportNumber, "03") == 0
|| string.Compare(sReportNumber, "04") == 0
|| string.Compare(sReportNumber, "06") == 0
|| string.Compare(sReportNumber, "08") == 0
|| string.Compare(sReportNumber, "10") == 0
|| string.Compare(sReportNumber, "11") == 0
|| string.Compare(sReportNumber, "13") == 0
|| string.Compare(sReportNumber, "14") == 0
|| string.Compare(sReportNumber, "15") == 0
|| string.Compare(sReportNumber, "16") == 0
|| string.Compare(sReportNumber, "17") == 0
|| string.Compare(sReportNumber, "19") == 0
|| string.Compare(sReportNumber, "20") == 0
)
{
text2.TextInfo.FontSize = 9;
}
//End : Added the property to bind the Fontsize & Name (Rajesh.L)
//Add the text paragraphs containing HTML text to the section
section.Paragraphs.Add(text2);
response.ClearHeaders();
response.ContentType = "application/pdf";
response.Clear();
response.AppendHeader("Content-Disposition", "attachment");
r.Close();
pdf.Save("NewDoc.pdf", Apdf.SaveType.OpenInBrowser, response);
response.Close();
HttpContext.Current.ApplicationInstance.CompleteRequest();
}
#region Exceptions
catch (NotSupportedException notsupex)
{
new CustomExceptionHandler("ReportsPDF - ExportToPDF - Template : Not Supported Exception :", notsupex).WriteLog(HttpContext.Current.User.Identity.Name);
}
catch (UnauthorizedAccessException unauthex)
{
new CustomExceptionHandler("ReportsPDF - ExportToPDF - Template :Unauthorized access Exception :", unauthex).WriteLog(HttpContext.Current.User.Identity.Name);
}
catch (DirectoryNotFoundException direx)
{
new CustomExceptionHandler("ReportsPDF - ExportToPDF - Template : Directory not found Exception :", direx).WriteLog(HttpContext.Current.User.Identity.Name);
}
catch (ArgumentNullException argnull)
{
new CustomExceptionHandler("ReportsPDF - ExportToPDF - Template : Arguments Null Exception :", argnull).WriteLog(HttpContext.Current.User.Identity.Name);
}
catch (ArgumentOutOfRangeException argsoorex)
{
new CustomExceptionHandler("ReportsPDF - ExportToPDF - Template : Arguments Out of range Exception :", argsoorex).WriteLog(HttpContext.Current.User.Identity.Name);
}
catch (ArgumentException argex)
{
new CustomExceptionHandler("ReportsPDF - ExportToPDF - Template : Arguments Exception :", argex).WriteLog(HttpContext.Current.User.Identity.Name);
}
catch (PathTooLongException pathex)
{
new CustomExceptionHandler("ReportsPDF - ExportToPDF - Template : IO Path Too long Exception :", pathex).WriteLog(HttpContext.Current.User.Identity.Name);
}
catch (HttpException httpex)
{
new CustomExceptionHandler("ReportsPDF - ExportToPDF - Template : Http Exception :", httpex).WriteLog(HttpContext.Current.User.Identity.Name);
}
catch (Exception ex)
{
new CustomExceptionHandler("ReportsPDF - ExportToPDF - : Template Read" + readTemplate, ex).WriteLog(HttpContext.Current.User.Identity.Name);
throw;
}
finally
{
wordHeaderText.Remove(0, wordHeaderText.Length);
excelHeaderText.Remove(0, wordHeaderText.Length);
headerText.Remove(0, wordHeaderText.Length);
}
#endregion
}