如何为特定Employee的SUM值。 [英] How to SUM values for a specific Employee.

问题描述

大家好，

我已经搜索了一段时间了，我似乎无法想象它...

I´ve been searching for this for a while now and I can´t seem to figure it out..

我可能会说是一个销售项目

i might say is a sales project

我有一个DataGridView连接并显示来自Access数据库的数据。

I have a DataGridView that is connected and showing data from my Access Database.

我在DataGridview上有一个基于datetimepicker和employeeid字段显示的过滤器，它显示了日期范围内每个员工的所有记录。

I have a filter on that DataGridview to show based on datetimepicker and also by employeeid field, it shows all records for each employee within the date range.

有没有办法让每位员工显示1条记录，并且值列？

Is there a way to show 1 record per employee and have the SUM of the value column?

推荐答案

如果您使用数据表作为数据源，则可以使用Linq的Sum（）聚合来汇总值。您应该转到数据源来执行Sum（）。

If you are using a datatable as the datasource, then you can use Linq's Sum() aggregate to sum up the values. You should go to the datasource to do the Sum().

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