protected void Button1_Click(object sender, EventArgs e)
{
//ProductData 限定了 BarCode不能为空
//这里设为空,提交时会抛出异常
var item = new ProductData()
{
InterFaceUser = "******", ProductName = "product2", BarCode = ""
};
var msg = item.CheckData();
if (!string.IsNullOrEmpty(msg))//手动判断对象数据是否合法
{
Response.Write(msg);
}
try
{
ProductDataManage.Instance.Add(item);
}
catch (Exception ero)//捕获异常
{
Response.Write(ero.Message);
}
}