摘要：
var queryGBN = from q in dt.AsEnumerable() group q by new { Doc_Type = q.Field<string>("Doc_Type"), Packing_Method = q.Field<string>("Packing_Method"), Packing_Method_Desc = q.Field<string>("Packing_Method_Desc") } into g where g.Count()>1 select ne 阅读全文
posted @ 2012-03-10 10:33
.net 流氓
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