How Do I Count Unique Rows In Sql Vb.Net

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I have a sql datbase with the following:

Product: Amount:
PCB1 2
PCB1 6
PCB2 54
PCB2 23

im interested in counting the amount of the same product and displaying it in a datagrid view.

just after the sql command and following code to populate the datagridview.

If anyone could help, that would be great.

Many Thanks,
Pete :)

Posted 3-Dec-14 4:03am

peterjames09

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PIEBALDconsult 3-Dec-14 10:29am

Do you mean you want to add a total line to the same grid as the detail data?
If so, you can use a UNION ALL with something like the statement in Solution 1.

peterjames09 3-Dec-14 10:52am

just read directly from sql table and show on different rows on the datagridview, PCB1 8 and on another row PCB2 77?

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Er. Dinesh Sharma · Answer 1 · 2014-12-03T04:15:00

Solution 1

try this

SQL

select Product,Sum(Amount) as [Amount] from tbl
group by product

Posted 3-Dec-14 4:15am

Er. Dinesh Sharma

Comments

Maciej Los 3-Dec-14 10:22am

+5