i have two datatable, dt1 and dt2. I want to remove all the row of dt2 from dt1.
eg.
dt1 has {apple, banana, cat}
dt2 has {apple, banana}  here is my code. thanks 
 
 
Dim rowsToDelete As New List(Of DataRow)()
        For Each dr1 As DataRow In dt1.Rows
            For Each dr2 As DataRow In dt2.Rows
                If dr2("is_id").ToString() = dr1("is_id").ToString() Then
                    rowsToDelete.Add(dr2("is_id"))
                End If
            Next
        Next
        For Each dr As DataRow In rowsToDelete
            dt2.Rows.Remove(dr)
        Next
        dt2.AcceptChanges()