private void addBtn_Click(object sender, EventArgs e)
{
EmployeeAddingForm addEmployeeForm = new EmployeeAddingForm(mainDataGridView, ctx);
addEmployeeForm.Show();
mainDataGridView.DataSource = GetMainDGVBindingSource();
}
public EmployeeAdding(EmployeeEf.KNUDBEntities ctx, EmployeeAddingForm eaf)
{
this.ctx = ctx;
parentForm = eaf;
}