Topic: Cache and C#
All with the come!
Children, I ask the help. I write the program on C# there are 2 forms on one form table DataGridView Groups on another table Student the Data boot from dataset. In porridge a class student from groups. There is a property group in both classes and at in table Student of a column group new record in table Groups is added, but it is not necessary for me, and I do not have not enough knowledge to understand what the reason.
I.e. on the correct should be for example Groups 1,2,3 and in everyone on some records Student where them the column group connects.
Sympathetic people, help to solve the task, the link to the project I will throw in .