How do i...write linq query to sum the coloumn in colelction(data table )

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linq query to sum of one column in a collection (data table) which has multiple columns

id     amount      status
1      1234          c
2       4321         e
3        100         s
4       900          q
5      1000          m

i want a output result as string which sum of (1234+4321+100+900+1000)= 75555

What I have tried:

i want a output result as string which sum of (1234+4321+100+900+1000)= 75555

Posted 17-Jul-18 5:08am

vivek Bodduluri

Updated 17-Jul-18 5:19am

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Richard Deeming · Answer 1 · 2018-07-17T05:19:00

Solution 1

Simple:

C#

int sum = yourDataTable.AsEnumerable().Sum(r => r.Field<int>("amount"));

Posted 17-Jul-18 5:19am

Richard Deeming

Updated 17-Jul-18 5:20am

v2

Comments

George Swan 17-Jul-18 14:17pm

I thought the OP wanted the output as a string!!

Richard Deeming 17-Jul-18 14:18pm

If the OP can't work out how to convert an int to a string, there's no hope for any of us! :D

George Swan 17-Jul-18 14:20pm

Ho ho