Excel header and footer gives additional information of a spreadsheet. And it can be in text and image. We have already shows you the text header and footer in excel worksheet, this guide focuses on introducing how to insert image header and footer for Excel files in C# by using Spire.XLS for .NET.
Firstly, Download Spire.XLS for .NET (or Spire.Office for .NET) and install it on your system. The Spire.XLS installation is clean, professional and wrapped up in a MSI installer.
Then, adds Spire.XLS.dll as reference in the downloaded Bin folder thought the below path: "..\Spire.XLS\Bin\NET4.0\ Spire.XLS.dll".
Now it comes to the details of how to add image header and footer in C#:
Step 1: Create a new excel document and load from the file.
Workbook workbook = new Workbook(); workbook.LoadFromFile(@"..\..\XLS1.xlsx");
Step 2: Get a first worksheet.
Worksheet sheet = workbook.Worksheets[0];
Step 3: Load the image and set header and footer style.
Image image = Image.FromFile(@"..\..\logo.png"); //Set Header format sheet.PageSetup.LeftHeaderImage = image; sheet.PageSetup.LeftHeader = "&G"; //Set Footer format sheet.PageSetup.CenterFooterImage = image; sheet.PageSetup.CenterFooter = "&G";
Step 4: Save the document to file.
workbook.SaveToFile(@"..\..\result.xlsx", ExcelVersion.Version2010);
Effected screenshot:
The full codes:
using Spire.Xls;
using System.Drawing;
namespace AddImageHeaderandFooter
{
class Program
{
static void Main(string[] args)
{
Workbook workbook = new Workbook();
workbook.LoadFromFile(@"..\..\XLS1.xlsx");
Worksheet sheet = workbook.Worksheets[0];
Image image = Image.FromFile(@"..\..\logo.png");
sheet.PageSetup.LeftHeaderImage = image;
sheet.PageSetup.LeftHeader = "&G";
sheet.PageSetup.CenterFooterImage = image;
sheet.PageSetup.CenterFooter = "&G";
workbook.SaveToFile(@"..\..\result.xlsx", ExcelVersion.Version2010);
}
}
}
