FireStaionDocuments/Infrastructure/Excel/TableColumnInfo.cs

using Infrastructure.Excel.Attributes;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Text;

namespace Infrastructure.Excel
{
    public class TableColumnInfo
    {
        public PropertyInfo Property { get; set; }
        public ExcelColumnAttribute Attribute { get; set; }
        public List<TableColumnInfo> ChildHeaderInfos { get; set; }

        public int Depth
        {
            get
            {
                var depth = 1;
                if (ChildHeaderInfos != null && ChildHeaderInfos.Any())
                {
                    depth += ChildHeaderInfos.Max(c => c.Depth);
                }

                return depth;
            }
        }
    }
}