//--- Create a hyperlink
          ExcelApplication xla = new ExcelApplication();
          Workbook wb = xla.Create();
          Worksheet ws = wb.Worksheets[0];
          Cell cellA1 = ws.Cells["A1"];
          cellA1.Value = "SoftArtisans";
          Hyperlink link = cellA1.CreateHyperlink("http://www.softartisans.com");

          //--- Get an existing hyperlink
          ExcelApplication xla = new ExcelApplication();
          Workbook wb = xla.Open("@C:\MySpreadsheet.xls");
          Worksheet ws = wb.Worksheets[0];
          Hyperlink firstLink = ws.Hyperlinks[0];
        

          '--- Create a hyperlink
          Dim xla As New ExcelApplication()
          Dim wb As Workbook = xla.Create()
          Dim ws As Worksheet = wb.Worksheets(0)
          Dim cellA1 As Cell = ws.Cells("A1")
          cellA1.Value = "SoftArtisans"
          Dim link As Hyperlink = cellA1.CreateHyperlink("http://www.softartisans.com")

          '--- Get an existing hyperlink
          Dim xla As New ExcelApplication()
          Dim wb As Workbook = xla.Create()
          Dim ws As Worksheet = wb.Worksheets(0)
          Hyperlink firstLink = ws.Hyperlinks(0)