Invoke Code Vb.net error

[Gokul001 (Gokul Balaji)]

@Gokul001

How about this expression?

(From d In Dtread.AsEnumerable
Group d By k=d("Name").ToString.Trim Into grp = Group
Let sum = grp.Sum(Function (x) CDbl(x("English").toString.Trim)+CDbl(x("Tamil").toString.Trim))
Let ra = New Object(){k,grp.First()(1),grp.First()(2),sum}
Select r = DtClone.Rows.Add(ra)).CopyToDataTable

This is the LINQ expression and check out this tutorial @Santhosh_Kumar3

[HowTo] - Exploring the LINQ Universe (VB.Net)

LINQ (Language-Integrated Query) is part of the .NET framework and offers capabilities for interacting with data, objects, or other sources within a particular syntax. This HowTo elaborates on the availability of LINQ and explores the offered functionalities Current Version of this topic is DRAFT and will be finalized / enhanced soon Introduction Let’s recap the Example of LINQ from [HowTo] - First Start with LINQ (VB.Net). Sample data: myNumbers | List (Of Int32) = {12,34,5,8,10,2,15,7}.to…

Regards
Gokul