DateTime baseTime = DateTime.Parse("1900-01-01");
rpf.BriefDate = baseTime.AddDays(1000);
example:
DateTime baseTime = DateTime.Parse("1900-01-01");
Response.Write(baseTime.AddDays(39868-2 ).ToString("yyyy-MM-dd"));
rpf.BriefDate = baseTime.AddDays(1000);
example:
DateTime baseTime = DateTime.Parse("1900-01-01");
Response.Write(baseTime.AddDays(39868