apache-poi

• Getting started with apache-poi
• Getting started with NPOI
• NPOI: Data validation approach for XSSF(.xslx) excel file using c#
• NPOI: Data validation constraint approach for Date, Time , List Item , email etc. for XSSF(.xslx) excel file using c#
• Create a list item Constraint
• Email Address constraint For Email Columns
• Phone Number Constraint
• Set the Date Constraints for Date Field Values Between 01/01/1900 To 12/31/2119 with Date Format mm/dd//yyyyy;
• Set the Time Constraints for Field Values Between 00:00 To 23:59 with Date Format HH:MM;
• Simple Excel (XLSX) creation