Live SpreadsheetGear API Samples

// Open workbook with some sample data.
SpreadsheetGear.IWorkbook workbook = 
    SpreadsheetGear.Factory.GetWorkbook(@"Files\HeadersAndFootersSampleData.xlsx");
SpreadsheetGear.IWorksheet worksheet = workbook.ActiveWorksheet;

// Get page setup object for the worksheet.
SpreadsheetGear.IPageSetup pageSetup = worksheet.PageSetup;

// Load picture into byte array (would also accept a path to a file).
byte[] pictureBytes = System.IO.File.ReadAllBytes(@"Files\SpreadsheetGearLogo.png");

// Add picture into Left Header and specify picture code (&G) to render it. 
pageSetup.LeftHeaderPicture.Add(pictureBytes, 32, 32);
pageSetup.LeftHeader = "&G";

// Specify Center Header text, also applying to it Bold (&B), Underline (&U) and 
// Arial 16pt (&16&"Arial").
pageSetup.CenterHeader = @"&B&U&16&""Arial""SpreadsheetGear Report";

// Setup Right Header with Current Page Number (&P) and Total Page Count (&N).
pageSetup.RightHeader = "Page &P of &N";

// Setup Left Footer with current Date (&D) and Time (&T).
pageSetup.LeftFooter = "&D &T";

// Setup Right Footer, in Italics (&I), with Workbook Name (&F) and Worksheet 
// Name (&A).
pageSetup.RightFooter = "&I'&F'!&A";