Rotate Pages, Text, Tables, and Images in a PDF Using C#

//Load PDF document as a stream.  
FileStream inputStream = new FileStream("Input.pdf", FileMode.Open, FileAccess.Read, FileShare.ReadWrite); 
//Load the existing PDF document.  
PdfLoadedDocument loadedDocument = new PdfLoadedDocument(inputStream); 
for (int i = 0; i < loadedDocument.PageCount; i++) 
{ 
    //Gets the page. 
    PdfPageBase loadedPage = loadedDocument.Pages[i] as PdfPageBase; 
    //Set the rotation for the loaded page.  
    loadedPage.Rotation = PdfPageRotateAngle.RotateAngle90; 
} 
//Create the file stream to save the PDF document.   
using(FileStream fileStream = new FileStream("Output.pdf", FileMode.CreateNew, FileAccess.ReadWrite)) 
{ 
  loadedDocument.Save(fileStream); 
} 
//Close the document.  
loadedDocument.Close(true);

//Create a new PDF document. 
PdfDocument pdfDocument = new PdfDocument();
//Add a page to the PDF document. 
PdfPage pdfPage = pdfDocument.Pages.Add();
//Create PDF graphics for the page. 
PdfGraphics graphics = pdfPage.Graphics;
//Set the font. 
PdfFont font = new PdfStandardFont(PdfFontFamily.Helvetica, 20);
//Add watermark text. 
PdfGraphicsState state = graphics.Save();
graphics.RotateTransform(-40);
graphics.DrawString("Rotating a text in PDF document", font, PdfPens.Red, PdfBrushes.Red, new PointF(-150, 450));
//Create the file stream to save the PDF document.  
using (FileStream outputStream = new FileStream("Output.pdf", FileMode.CreateNew, FileAccess.ReadWrite))
{
    pdfDocument.Save(outputStream);
}
//Close the document. 
pdfDocument.Close(true);

//Created the PDF document. 
PdfDocument document = new PdfDocument();
//Add a new page. 
PdfPage page = document.Pages.Add();
FileStream imageStream = new FileStream("Input.png", FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
//Load a bitmap. 
PdfBitmap image = new PdfBitmap(imageStream);
//Save the current graphics state. 
PdfGraphicsState state = page.Graphics.Save();
//Rotate the coordinate system. 
page.Graphics.RotateTransform(-40);
//Draw image. 
image.Draw(page, -150, 450);
//Restore the graphics state. 
page.Graphics.Restore(state);
//Create the file stream to save the PDF document.  
using (FileStream fileStream = new FileStream("Output.pdf", FileMode.CreateNew, FileAccess.ReadWrite))
{
    document.Save(fileStream);
}
//Close the document. 
document.Close(true);

//Create a new PDF document.  
PdfDocument document = new PdfDocument(); 
//Add a page.  
PdfPage page = document.Pages.Add(); 
//Create a PdfGrid.  
PdfGrid pdfGrid = new PdfGrid(); 
//Add a handler to rotate the table.  
pdfGrid.BeginPageLayout += PdfGrid_BeginPageLayout; 
//Create a DataTable.  
DataTable dataTable = new DataTable(); 
//Add columns to the DataTable.  
dataTable.Columns.Add("ID", typeof(int)); 
dataTable.Columns.Add("Name", typeof(string)); 
//Add rows to the DataTable.  
for (int i = 0; i < 10; i++) 
{ 
    dataTable.Rows.Add(57, "AAA"); 
    dataTable.Rows.Add(130, "BBB"); 
} 
//Assign data source.  
pdfGrid.DataSource = dataTable; 
//Set a repeat header for the table.   
pdfGrid.RepeatHeader = true; 
//Draw a grid to the page of a PDF document.  
pdfGrid.Draw(page, new RectangleF(100, 20, 0, page.GetClientSize().Width)); 
//Create the file stream to save the PDF document.   
using (FileStream fileStream = new FileStream("Output.pdf", FileMode.CreateNew, FileAccess.ReadWrite)) 
{ 
    document.Save(fileStream); 
} 
//Close the document.  
document.Close(true); 
void PdfGrid_BeginPageLayout(object sender, Syncfusion.Pdf.Graphics.BeginPageLayoutEventArgs e) 
{ 
    PdfPage page = e.Page; 
    PdfGraphics graphics = e.Page.Graphics; 
    //Translate the coordinate system to the required position.  
    graphics.TranslateTransform(page.GetClientSize().Width, 0); 
    //Rotate the coordinate system.  
    graphics.RotateTransform(90); 
}