如何从日期值获取日月年中的日期

Question

I am using excel uploading operation having date data. When I upload excel with date 17-Oct-2012 and I am getting 41199.

Answer 1

You need to convert the date format from OLE Automation to the .net format by using DateTime.FromOADate.

double doubleValue = double.Parse(b);
DateTime convertedDate = DateTime.FromOADate(doubleValue );

Answer 2

public static DateTime FromExcelSerialDate(int serialDate){return new DateTime(1899, 12, 31).AddDays(serialDate);}

Or other ways from old issues;

How do I convert an Excel serial date number to a .NET DateTime?