public void DeleteSkill()
        {
            try
            {
                int skillID = SkillCollection[SelectedIndex].ID;

                var forgeDatabase = Global.Instance.ForgeDatabase();

                SKILL skill = forgeDatabase.Skills.Single(x => x.ID == skillID);

                forgeDatabase.Skills.DeleteOnSubmit(skill);
                forgeDatabase.SubmitChanges();

                SkillCollection.RemoveAt(SelectedIndex);
                Global.Instance.SkillCollection = new BindableCollection <SkillCollection>(SkillCollection);

                ClearSkillInfo();
                SelectedIndex = -1;
            }
            catch { }
        }