Invoke code activity error--Help in VLookup Activity

Hello everyone , I have to compare two datatables and have to perform vlookup operation on upto 5-10 lakhs of data,If in dt1 and dt2 sku value is same then i have to replace price and quantity with dt2 value.Please find me code and excel file. I tried using invoke code activity tat is suggested by someone but getting this error.![image|690x371]

Please help me into this, If provide me any LINQ code to perform VLookup in faster way is very useful , my code is taking more than 1hr to performing VLookup over the data.
i am sharing my code. Please see and please help if their is any faster way.
Excel file:-

My Invoke code activity, where i am getting this error

Hi @Anjali_Rani,

Please do not create duplicates of a question. This is not best practice in any forum. When you create a duplicate forum members who are trying to help you need to know what you have tried. Creating a duplicate will only delay the time it takes to resolve your question.

Original post : Vlookup to perform lakhs of data - Help / Studio - UiPath Community Forum

@Palaniyappan / @loginerror can you merge this to the original question?

1 Like

A post was merged into an existing topic: Vlookup to perform lakhs of data

Closed as duplicate as per above