private void button1_Click(object sender, EventArgs e)
{
if (AddCart != null)
{
AddShoppingListEventArgs args = new AddShoppingListEventArgs();
args.BookID = BookID;
args.BookName = BookName;
args.Author = Author;
args.Publisher = Publisher;
AddCart(this, args);
}
}
private void Book_AddShoppingList(object sender, AddShoppingListEventArgs e)
{
DataRow[] drRows = dtShopping.Select("BookID=" + e.BookID);
if (drRows.Length > 0) // 리스트에 이미 있는 경우
{
drRows[0]["BookQty"] = Convert.ToInt32(drRows[0]["bookQty"]) + 1;
}
else
{
DataRow dr = dtShopping.NewRow();
dr["BookID"] = e.BookID;
dr["BookName"] = e.BookName;
dr["Author"] = e.Author;
dr["Publisher"] = e.Publisher;
dr["BookQty"] = 1;
dtShopping.Rows.Add(dr);
}
dtShopping.AcceptChanges();
dataGridView1.DataSource = dtShopping;
}