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var query = from dt in tblProduct.AsEnumerable()
where dt.Field<string>("StockNo") ==""
select dt;
if (query.ToList().Count > 0)
{
Alert.ShowInTop("数据不全,仓库不能为空");
return;
}
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原文地址:http://www.cnblogs.com/chengjun/p/5292614.html