iot/labs/Teacher/TeacherExt/Controllers/NPOIExt.cs

using NPOI.SS.UserModel;

namespace TeacherExt.Controllers
{
    public static class NPOIExt
    {
        public static ICell SetType(this ICell cell, CellType type)
        {
            cell.SetCellType(type);
            return cell;
        }

        public static ICell SetStyle(this ICell cell, ICellStyle style)
        {
            cell.CellStyle = style;
            return cell;
        }

        public static IRow Order(this IRow row,int order)
        {
            return row;
        }
    }
}