public void selectPrice(ClothesStore clothesStore)
 {
     connection.open();
     command = new SqlCommand("select price from ClothesStore where name='" + clothesStore.getName() + "'", connection.getConnection());
     clothesStore.setPrice(double.Parse(command.ExecuteScalar().ToString()));
     connection.close();
 }
 public void update(ClothesStore clothesStore)
 {
     connection.open();
     command = new SqlCommand("update ClothesStore set name='" + clothesStore.getName() + "',price='" + clothesStore.getPrice() + "',quantity='" + clothesStore.getQuantity() + "' ,total='" + clothesStore.getTotal() + "' where ID='" + clothesStore.getID() + "'", connection.getConnection());
     command.ExecuteNonQuery();
     connection.close();
 }
 public void delete(ClothesStore clothesStore)
 {
     connection.open();
     command = new SqlCommand("delete from ClothesStore where name='" + clothesStore.getName() + "'", connection.getConnection());
     command.ExecuteNonQuery();
     connection.close();
 }
 public void insert(ClothesStore clothesStore)
 {
     connection.open();
     command = new SqlCommand("insert into ClothesStore values('" + clothesStore.getName() + "' , '" + clothesStore.getPrice() + "' , '" + clothesStore.getQuantity() + "','" + clothesStore.getTotal() + "')", connection.getConnection());
     command.ExecuteNonQuery();
     connection.close();
 }
    public int selectClotheId(ClothesStore clothesStore)
    {
        connection.open();
        command = new SqlCommand("select ID from ClothesStore where name='" + clothesStore.getName() + "'", connection.getConnection());
        int ID = (int)command.ExecuteScalar();

        connection.close();
        return(ID);
    }
    public Boolean checkCloth(ClothesStore clothesStore)
    {
        connection.open();
        command = new SqlCommand("select count(*) from ClothesStore where name='" + clothesStore.getName() + "'", connection.getConnection());

        int PriceCount = (int)command.ExecuteScalar();

        connection.close();

        if (PriceCount > 0)
        {
            return(true); // exiting item.
        }
        else
        {
            return(false); // new item.
        }
    }
 public void updateQuantityMinus(ClothesStore clothesStore)
 {
     connection.open();
     command = new SqlCommand("update ClothesStore set quantity=quantity-'" + clothesStore.getQuantity() + "' where name='" + clothesStore.getName() + "'", connection.getConnection());
     command.ExecuteNonQuery();
     connection.close();
 }