// 按ID查询// 按客户查询//按数量查询//按商品查询//查询全部
private void querybutton_Click(object sender, EventArgs e)
{
Console.WriteLine(this.message);
switch (Query_Way)
{
case "按ID查询": this.orderbindingSource.DataSource = service.GetById(Convert.ToInt32(message));
if (service.GetById(Convert.ToInt32(message)) != null)
{
this.detailbindingSource.DataSource = service.GetById(Convert.ToInt32(message)).Details;
}
else
{
this.detailbindingSource.DataSource = null;
} break;
case "按客户查询": this.orderbindingSource.DataSource = service.QueryByCustomerName(message); break;
case "按数量查询": this.orderbindingSource.DataSource = service.QueryByTotalAmount(Convert.ToDouble(message)); break;
case "按商品查询": this.orderbindingSource.DataSource = service.QueryByGoodsName(message); break;
case "查询全部": this.orderbindingSource.DataSource = service.QueryAll(); break;
default: break;
}
if (Query_Way != "按ID查询")
{
List <ordertest.Order> o = (List <ordertest.Order>)orderbindingSource.DataSource;
List <ordertest.OrderDetail> de = new List <ordertest.OrderDetail>();
if (o != null)
{
foreach (var i in o)
{
List <ordertest.OrderDetail> p = i.Details;
foreach (var j in p)
{
de.Add(j);
}
}
detailbindingSource.DataSource = de;
}
}
}
