How to fill a DataTable with a List(Of t) or convert a List(Of t) to a DataTable?

Question

I have read many posts on this topic; among them and most recently .NET - Convert Generic Collection to Data Table. Unfortunately, all to no avail.

I have a generic coll

Answer 1

I have same issue than @SamSelikoff, moved to GetProperties:

Public Shared Function ConvertToDataTable(Of t)(
                                                  ByVal list As IList(Of t)
                                               ) As DataTable
    Dim table As New DataTable()
    If Not list.Any Then
        'don't know schema ....
        Return table
    End If
    Dim fields() = list.First.GetType.GetProperties
    For Each field In fields
        table.Columns.Add(field.Name, field.PropertyType)
    Next
    For Each item In list
        Dim row As DataRow = table.NewRow()
        For Each field In fields
            dim p = item.GetType.GetProperty(field.Name)
            row(field.Name) = p.GetValue(item, Nothing)
        Next
        table.Rows.Add(row)
    Next
    Return table
End Function