How to pick distinct rows from datatable in asp.net

Introduction

How to pick distinct rows from Datatable in ASP.net, below is written code snippet to go through this one.
Firstly declare default view and dv.ToTable(True,Param1,Param2,Param3), and we can pass the parameter to unique column.

Vb.Net code snippet

  Dim dv As New DataView
  dv = dt.DefaultView
  Dim uniquetabel As DataTable = dv.ToTable(True, "Column1", "Column2")

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