How to get a value in a datable corresponding to a value in another column

Hi Everyone,

I have a datatable.


Now without writing this datatable as an excel file, I want to find
The value of address of person Tello using a linq query.

Can someone help me on this.


Hi @satish_kumar

Try out the below syntax

Str_var = (
From row in YourDataTableVariable
Where row(“Name”).ToString=“Tello”
Select row(“Address”)

Where Str_var variable is type of string

Hope it solves your issue


1 Like


There are actually two ways to do this

  1. Lookup datatable activity

  2. Second one is with linq query links this

str_address = dt.AsEnumerable().Where(Function(a) a.Field(of String)(“Name”).ToString.Contains(“Tello”)).Copytodatatable().Rows(0)(“Address”).ToString

Cheers @satish_kumar

in activity level we would use filtrdatatable / lookup datatable.

When doin it with LINQ we have to respect the underlying base - (I)Enumerable. It expects a result of 0, 1 ore more match. To get back a string and also handling the case that it isn’t found we would do:

strAdress =

(From d in YourDataTableVar.AsEnumerable
Where d("Name").ToString.ToLower.Trim.Equals("Tello")
Select s=d("Address").toString).FirstOrDefault()

Also have a look here: