# \#lambda

**URL:** https://forum.uipath.com/tag/lambda/4148.md

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## [LINQ Query for data table to remove duplicate rows and concatenate values](https://forum.uipath.com/t/linq-query-for-data-table-to-remove-duplicate-rows-and-concatenate-values/755875)

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**Author:** [@Tanmay\_V\_Chetule](https://forum.uipath.com/u/Tanmay_V_Chetule)\
**Replies:** 2\
**Last updated:** [July 24, 2024, 4:46pm UTC](https://forum.uipath.com/t/linq-query-for-data-table-to-remove-duplicate-rows-and-concatenate-values/755875 "2024-07-24T16:46:32Z")

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Hi, Please refer the input and output datatables. I need to remove duplicates based on Name, Number and Friend column. Once the duplicate rows are removed, Concatenate the Friend and Description column into 1 row f…

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## [Change value in DataTable using LINQ or Lambda in c# with conditions](https://forum.uipath.com/t/change-value-in-datatable-using-linq-or-lambda-in-c-with-conditions/735140)

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**Author:** [@Nicolas\_Raby](https://forum.uipath.com/u/Nicolas_Raby)\
**Replies:** 4\
**Last updated:** [April 17, 2024, 12:46pm UTC](https://forum.uipath.com/t/change-value-in-datatable-using-linq-or-lambda-in-c-with-conditions/735140 "2024-04-17T12:46:23Z")

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Hello Everyone ! I have some questions for you, first i’m using UiPath in C#, and i want to do multiple things using LINQ or Lambda expression, i would like to have both solution for me to understand what i’m doing wron…