Changing the BG-color of the table

[horrorfodrasz]

Hi,
According to this bug tracking there is an issue in Tkinter. It is fixed in tkinter v8.6.10 but in my Python 3.9.1 there is only 8.6.9.
https://bugs.python.org/issue36468

I think it should work the following ways:

self.style = ttk.Style()
self.style.configure("mystyle.Treeview", background="black", fieldbackground="black", foreground="white", highlightthickness=0, bd=0, font=('Calibri', 11)) # Modify the font of the body
self.style.configure("mystyle.Treeview.Heading", font=('Calibri', 13,'bold')) # Modify the font of the headings
self.style.layout("mystyle.Treeview", [('mystyle.Treeview.treearea', {'sticky': 'nswe'})]) # Remove the borders
self.Student_table=ttk.Treeview(Table_Frame, style="mystyle.Treeview", columns=("roll","name","email","gender","contact","dob","Address"), xscrollcommand=scroll_x.set,yscrollcommand=scroll_y.set)

or with tags
self.Student_table.insert("", "end", values=('1','XY','[email protected]'), tags=('odd',))
self.Student_table.insert("", "end", values=('2','JD','[email protected]'), tags=('even',))
self.Student_table.tag_configure('odd', background='#E8E8E8')
self.Student_table.tag_configure('even', background='#FFFF00')

but currently it doesn't work. Maybe it is the Tkinter issue. We should wait v8.6.10