This is a WPF application, using a Data Grid with Date Picker.
The goal is to click on the calendar, select a date, then the Data Grid goes in edit mode so as soon as I click on another cell, the Update is done on the database and the row is added on the grid, that part is working.
But, when I...
I'm having a nightmare trying to get this bl**dy DateTimePicker working with DBNull values. I'm almost there, but not quite. Here's my situation.
I have a service-based database for testing. Within it, it has 2 tables:
Finances - Contains 'CustomerID' as a FK to the...