/// <summary>
/// 该产品是否已经存在.
/// </summary>
/// <param name="list">待检查列表</param>
/// <param name="invalidItems">不合格数据</param>
/// <param name="outErrMsg">错误信息</param>
/// <returns>合格数据,可以直接导入</returns>
public IList <Product> CheckDB(IList <Product> list, out IList <Product> existedItems)
{
existedItems = new List <Product>();
IList <Product> ValidItems = new List <Product>();//没有重复的产品
foreach (Product o in list)
{
var p = dalProduct.GetOneByModelNumberAndSupplierCode(o.ModelNumber, o.SupplierCode);
if (p != null)
{
existedItems.Add(o);
continue;
}
ValidItems.Add(o);
}
return(ValidItems);
}
