public class Border : Xceed.Workbooks.NET.StyleBase<IReadonlyBorder>, IReadonlyBorder  

var workbook = Workbook.Create("test.xlsx" )



// Get the first worksheet. A workbook contains at least 1 worksheet.

var cellWorksheet = workbook.Worksheets[ 0 ];



// Set cell content and Border styles.

cellWorksheet.Cells[ "C5" ].Value = "Bottom";

cellWorksheet.Cells[ "C5" ].Style.Borders[ BorderType.Bottom ].Style = LineStyle.Double;

cellWorksheet.Cells[ "C5" ].Style.Borders[ BorderType.Bottom ].Color = Color.Red;



cellWorksheet.Cells[ "C8" ].Value = "Top";

cellWorksheet.Cells[ "C8" ].Style.Borders[ BorderType.Top ].Style = LineStyle.DashDot;



cellWorksheet.Cells[ "C11" ].Value = "Right";

cellWorksheet.Cells[ "C11" ].Style.Borders[ BorderType.Right ] = new Border() { Style = LineStyle.MediumDashed, Color = Color.Green };



// Save workbook to disk.

workbook.Save();