Hi venkatg,
Check this example. Now please take its reference and correct your code.
Install iTextShap from Nuget Packages.
Controller
public class HomeController : Controller
{
private Microsoft.AspNetCore.Hosting.IHostingEnvironment Environment;
public HomeController(Microsoft.AspNetCore.Hosting.IHostingEnvironment _environment)
{
Environment = _environment;
}
public IActionResult Index()
{
return View();
}
[HttpPost]
public IActionResult Index(Microsoft.AspNetCore.Http.IFormFile postedFile, int start, int end)
{
string inputPath = System.IO.Path.Combine(this.Environment.WebRootPath, "Files");
if (!System.IO.Directory.Exists(inputPath))
{
System.IO.Directory.CreateDirectory(inputPath);
}
string outputPath = System.IO.Path.Combine(this.Environment.WebRootPath, "SplitedFiles");
if (!System.IO.Directory.Exists(outputPath))
{
System.IO.Directory.CreateDirectory(outputPath);
}
string inputFileName = System.IO.Path.GetFileName(postedFile.FileName);
using (System.IO.FileStream stream = new System.IO.FileStream(System.IO.Path.Combine(inputPath, inputFileName), System.IO.FileMode.Create))
{
postedFile.CopyTo(stream);
}
using (iTextSharp.text.pdf.PdfReader pdfReader = new iTextSharp.text.pdf.PdfReader(System.IO.Path.Combine(inputPath, inputFileName)))
{
if (start > 0 && end > 0)
{
if (end <= pdfReader.NumberOfPages)
{
for (int pageNumber = start; pageNumber <= end; pageNumber++)
{
iTextSharp.text.Document document = new iTextSharp.text.Document();
string outputFileName = string.Format("{0}_{1}.pdf", System.IO.Path.GetFileNameWithoutExtension(inputFileName), pageNumber);
iTextSharp.text.pdf.PdfCopy pdfCopy =
new iTextSharp.text.pdf.PdfCopy(document, new System.IO.FileStream(System.IO.Path.Combine(outputPath, outputFileName), System.IO.FileMode.Create));
document.Open();
pdfCopy.AddPage(pdfCopy.GetImportedPage(pdfReader, pageNumber));
document.Close();
}
}
}
else
{
for (int pageNumber = 1; pageNumber <= pdfReader.NumberOfPages; pageNumber++)
{
iTextSharp.text.Document document = new iTextSharp.text.Document();
string outputFileName = string.Format("{0}_{1}.pdf", System.IO.Path.GetFileNameWithoutExtension(inputFileName), pageNumber);
iTextSharp.text.pdf.PdfCopy pdfCopy =
new iTextSharp.text.pdf.PdfCopy(document, new System.IO.FileStream(System.IO.Path.Combine(outputPath, outputFileName), System.IO.FileMode.Create));
document.Open();
pdfCopy.AddPage(pdfCopy.GetImportedPage(pdfReader, pageNumber));
document.Close();
}
}
}
System.IO.Directory.Delete(inputPath, true);
return View();
}
}
View
@{
Layout = null;
}
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width" />
<title>Index</title>
</head>
<body>
<form method="post" asp-controller="Home" asp-action="Index" enctype="multipart/form-data">
<input type="file" name="postedFile" /><br />
Start: <input type="text" name="start" /><br />
End: <input type="text" name="end" /><br />
<input type="submit" value="Upload" />
</form>
</body>
</html>
