protected void AddNewDrug_Click(object sender, EventArgs e)
        {
            if (IsValid)
            {
                TableAddDrug.Visible = false;
                System.Threading.Thread.Sleep(2000);
                String name = DrugName.Text;
                String code = GenName.Text;

                int idgrup = Convert.ToInt32(GroupID.Text);

                var drug = new ICD() { Name = name, Code = code, ICDChapter = idgrup };
                DataBaseAllDataContext dataAll = new DataBaseAllDataContext();
                dataAll.ICDs.InsertOnSubmit(drug);
                dataAll.SubmitChanges();
                GridDrug.DataBind();
            }
        }
 partial void DeleteICD(ICD instance);
 partial void UpdateICD(ICD instance);
 partial void InsertICD(ICD instance);
		private void detach_ICDs(ICD entity)
		{
			this.SendPropertyChanging();
			entity.ICDChapter1 = null;
		}
		private void attach_ICDs(ICD entity)
		{
			this.SendPropertyChanging();
			entity.ICDChapter1 = this;
		}