public vaccine Insert_vaccine_select(int ID)
 {
     vaccine = vaccine.Select(ID);
     Insert_medicine_id_txt.Text = Convert.ToString(vaccine.medicine_id);
     Insert_Num_of_reg_doses_txt.Text = Convert.ToString(vaccine.Num_of_reg_doses);
     Insert_vaccine_name_txt.Text = Convert.ToString(vaccine.vaccine_name);
     return vaccine;
 }
 public vaccine vaccine_update(int ID)
 {
     vaccine = vaccine.Select(ID);
     vaccine.vaccine_id = Convert.ToInt32(Update_vaccine_id_txt.Text);
     vaccine.medicine_id = Convert.ToInt32(Update_medicine_id_txt.Text);
     vaccine.Num_of_reg_doses = Convert.ToInt32(Update_Num_of_reg_doses_txt.Text);
     vaccine.vaccine_name = Update_vaccine_name_txt.Text;
     vaccine.Update(vaccine);
     Insert_vaccine_GridView.DataBind();
     Update_vaccine_GridView.DataBind();
     Delete_vaccine_GridView.DataBind();
     return vaccine;
 }
 public vaccine vaccine_insert()
 {
     vaccine.medicine_id = Convert.ToInt32(Insert_medicine_id_txt.Text);
     vaccine.Num_of_reg_doses = Convert.ToInt32(Insert_Num_of_reg_doses_txt.Text);
     vaccine.vaccine_name = Insert_vaccine_name_txt.Text;
     vaccine = vaccine.Insert(vaccine);
     Insert_vaccine_GridView.DataBind();
     Update_vaccine_GridView.DataBind();
     Delete_vaccine_GridView.DataBind();
     return vaccine;
 }
 protected void Update_Select_Record(object sender, EventArgs e)
 {
     vaccine = Update_vaccine_select(Convert.ToInt32(Update_vaccine_GridView.SelectedValue));
 }
 protected void UPDATE(object sender, EventArgs e)
 {
     vaccine = vaccine_update(Convert.ToInt32(Update_vaccine_GridView.SelectedValue));
 }
 protected void Insert_Select_Record(object sender, EventArgs e)
 {
     vaccine = Insert_vaccine_select(Convert.ToInt32(Insert_vaccine_GridView.SelectedValue));
 }
 protected void INSERT(object sender, EventArgs e)
 {
     vaccine = vaccine_insert();
 }