Add dates programmatically to CRM

Does that word actually exist in English? Programmatically?Anyway. When you're working on a program which uses the SDK to add or modify data in CRM, then you will find out that there is not much documentation about how to use this data. And when you enter wrong data to CRM, then the error message doesn't help you much either: 0x80040216 An unexpected error occurred.Well. Here are 2 code examples