我有一个数据表,它有列像 日期发票没有 12/5 / 2014 IN14121581 12/5/2014 IN14121581 12/5/2014 IN14121581 12/5/2014 IN14121582 我需要找出重复的数量并在最后附加它们发票编号我的输出应该是 日期发票没有 12/5/2014 IN14121581A 12/5/2014 IN14121581B 12/5/2014 IN14121581C 12/5/2014 IN14121582 还有其他办法吗,我可以这样做吗?
I have a datatable and its having columns like Date InvoiceNo 12/5/2014 IN14121581 12/5/2014 IN14121581 12/5/2014 IN14121581 12/5/2014 IN14121582 I need to find out the number of duplicates and append them at the end of the Invoice No. My output should be Date InvoiceNo 12/5/2014 IN14121581A 12/5/2014 IN14121581B 12/5/2014 IN14121581C 12/5/2014 IN14121582 Is there any other way, i can do this?
推荐答案非常简单.. 参考此链接:如何使用LINQ在DataTable中查找重复记录
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