// GET: PesquisaProdutoes
    public ActionResult RelatorioPConfirmado()
    {
        var pesquisa = db.PesquisaProdutoes.GroupBy(c => c.CodPro);
        return View(pesquisa.ToList());
    }

<table class="table table-bordered" id="dataTable" cellspacing="0">
                    <thead>
                        <tr>
                            <th>@Html.DisplayNameFor(model => model.CodPro)</th>
                            <th>@Html.DisplayNameFor(model => model.CodBar)</th>
                            <th>@Html.DisplayNameFor(model => model.Nome)</th>
                            <th>@Html.DisplayNameFor(model => model.Valor)</th>
                            <th>@Html.DisplayNameFor(model => model.Qtd)</th>
                            <th>@Html.DisplayNameFor(model => model.Total)</th>
                            <th>@Html.DisplayNameFor(model => model.Confimado)</th>
                            <th>@Html.DisplayNameFor(model => model.DataPesquisa)</th>
                    </thead>
                    @foreach (var item in Model)
                    {
                        if (item.Confimado.Equals(true))
                        {
                                <tr>
                                    <td>@Html.DisplayFor(modelItem => item.CodPro)</td>
                                    <td>@Html.DisplayFor(modelItem => item.CodBar)</td>
                                    <td>@Html.DisplayFor(modelItem => item.Nome)</td>
                                    <td>@Model.Sum(v => v.Valor)</td>
                                    <td>@Model.Sum(q => q.Qtd)</td>
                                    <td>@Model.Sum(t => t.Total)</td>
                                    <td>@Html.DisplayFor(modelItem => item.Confimado)</td>
                                    <td>@Html.DisplayFor(modelItem => item.DataPesquisa)</td>
                                </tr>
                            }
                    }

                </table>