void getListOfGroomingServices()
{
groomings = dbController.getListOFGrooming();
cbService.Items.Clear();
cbService.Items.AddRange(groomings.ToArray());
txtPrice.ReadOnly = true;
cbSize.Enabled = true;
string[] sizes = new string[] { "SMALL", "MEDIUM", "LARGE" };
cbSize.Items.Clear();
cbSize.Items.AddRange(sizes);
}