Issues

• Higher Memory consumption compared with NPOI.Mapper

  mganss/ExcelMapper#334 · Filter by author tonyqus opened on Mar 23, 2026

• Queston - Reading multiple parts of excel sheet performance

  mganss/ExcelMapper#326 · Filter by author dotnetshadow opened on Apr 24, 2025
  2

• How do you handle fetching and saving combination of static and dynamic object?

  enhancement
  mganss/ExcelMapper#314 · Filter by author 3ggerhappy opened on Oct 31, 2024
  2

• Q: Nested property expressions support

  mganss/ExcelMapper#312 · Filter by author vladimir-ilnytskyi opened on Oct 16, 2024
  1

• What is the best way to clear all data rows?

  mganss/ExcelMapper#302 · Filter by author chu86 opened on Apr 23, 2024
  1

• combo properties leads to empty excel

  mganss/ExcelMapper#299 · Filter by author MannusEtten opened on Mar 28, 2024
  3

• ExcelMapper always generate extra columns

  mganss/ExcelMapper#298 · Filter by author LJN-hzleaper opened on Mar 25, 2024
  2

• Fetch whole Table

  mganss/ExcelMapper#291 · Filter by author bh2302 opened on Feb 2, 2024
  1

• CustomFormat for a specific cell

  mganss/ExcelMapper#290 · Filter by author lsouzaoliveira opened on Feb 1, 2024
  5

• valueparser not work when call Fetch() function

  mganss/ExcelMapper#289 · Filter by author yangzhixiao opened on Jan 16, 2024
  3

• System.Security.Cryptography.Pkcs dependency has severe vulnerability

  mganss/ExcelMapper#288 · Filter by author tdhooten opened on Dec 11, 2023
  2

• How to retrieve objects from merged cells or save them to Excel?

  enhancement
  mganss/ExcelMapper#281 · Filter by author ReallyCreep opened on Oct 26, 2023
  1

• Mapping of nested objects via column index

  mganss/ExcelMapper#276 · Filter by author rmolino opened on Sep 7, 2023
  1

• Writing empty Collections to Excel do not produce Headers

  mganss/ExcelMapper#263 · Filter by author cavadino2 opened on Jun 22, 2023
  3

• NPOI leaks memory big time

  mganss/ExcelMapper#262 · Filter by author mercenaryntx opened on Jun 21, 2023
  6

• A way to check if all mapings succeseded?

  mganss/ExcelMapper#254 · Filter by author TMS-Namespace opened on May 8, 2023
  1

• please help, cannot mapped group columns

  mganss/ExcelMapper#248 · Filter by author JL-Yondu opened on Mar 27, 2023
  1

• Return a converted date from UTC to local

  mganss/ExcelMapper#215 · Filter by author emkoos opened on Aug 31, 2022
  3

• Suggested refactoring of type parsing and value reading and writing

  mganss/ExcelMapper#211 · Filter by author andywu188 opened on Aug 25, 2022
  1

• Error on saving multiple sheets

  mganss/ExcelMapper#209 · Filter by author bh-schmidt opened on Aug 17, 2022
  3

• Saving a list of dictionary items creates empty XL file

  mganss/ExcelMapper#191 · Filter by author mkgn opened on May 12, 2022
  1

• set header background color using code

  mganss/ExcelMapper#184 · Filter by author emkoos opened on Apr 22, 2022
  1

• Multiline Cells do not have normalized line endings

  mganss/ExcelMapper#140 · Filter by author shuebner opened on Aug 28, 2021
  3

• Insert a new row for each object

  enhancement
  mganss/ExcelMapper#110 · Filter by author DanielSanIT opened on Feb 25, 2021
  1

• Min/MaxRowNumber wrong index

  wontfix
  mganss/ExcelMapper#104 · Filter by author DanielSanIT opened on Feb 15, 2021
  5