0
I have a text field in my system called NomeEspecificacao, however when I fill any value in it, it is always returned null in my Action, ie never comes the word I write in the text field. 
View code:
model SEMA.Fiscalizacao.Presentation.Web.Models.IncluirMaterialViewModel
@{
    var disabled = Model.Consultar ? "disabled=\"disabled\"" : "";
}
@{
    if (Model.Consultar)
    {
        <div class="row">
            <div class="col-md-12">
                <div class="form-group">
                    @Html.LabelFor(model => model.NomeMaterialCategoria, "Categoria")
                    @Html.EditorFor(model => model.NomeMaterialCategoria, new { htmlAttributes = new { @class = "form-control", @maxlength = 50, disabled } })
                </div>
            </div>
        </div>
    }
    else
    {
        <div class="row">
            <div class="col-md-12">
                <div class="form-group">
                    @Html.LabelFor(model => model.NomeMaterialCategoria, "Categoria")
                    @Html.EditorFor(model => model.NomeMaterialCategoria, new { htmlAttributes = new { @class = "form-control", @maxlength = 50 } })
                </div>
            </div>
        </div>
    }
}
@Html.Partial("_SelectMutipleUnidadesMedida", Model)
<hr class="hr-text" data-content="Especificação da Categoria" />
@{
    if (Model.Consultar)
    {
        <div class="row">
            <div class="col-md-12">
                @{
                    if (!string.IsNullOrWhiteSpace(Model.NomeMaterial) && Model.NomeMaterial.Length > 0)
                    {
                        @Html.TextBoxFor(model => model.NomeEspecificacao, new { @class = "form-control margin-bottom", @maxlength = 50 })
                    }
                    else
                    {
                        @Html.TextBoxFor(model => model.NomeEspecificacao, new { @class = "form-control margin-bottom", @maxlength = 50, disabled })
                    }
                }
            </div>
        </div>
    }
    else
    {
        <div class="row">
            <div class="col-md-12">
                @Html.TextBoxFor(model => model.NomeEspecificacao, new { @class = "form-control margin-bottom", @maxlength = 50 })
            </div>
        </div>
        <div class="row">
            <div class="col-xs-12 col-sm-12 col-md-12 col-lg-12 text-right margin-bottom">
                <input type="submit" id="AdicionarEspecificacao" value="Adicionar" class="btn btn-default" name="command:IncluirEspecificacoes:1">
                <button type="submit" id="AdicionaMultiplasEspecificacoes" class="btn btn-default" name="command:AbrirMultiplasEspecificacoes">
                    Adicionar Múltiplos
                </button>
            </div>
        </div>
    }
}
@if (Model.ListaMaterialCategoriaEspecificacoes != null && Model.ListaMaterialCategoriaEspecificacoes.Count > 0)
{
    <div class="row">
        <div class="col-md-12">
            @Html.Partial("_ListaEspecificacaoCategoria", Model)
        </div>
    </div>
}
Action that returns null in the model:
[HttpPost]
        [CommandName("Alterar", "command:IncluirEspecificacoes:{index}")]
        public async Task<ActionResult> IncluirEspecificacoesAlterarAsync(IncluirMaterialViewModel model)
        {
            var tipoEspc = Convert.ToInt32(RouteData.Values["index"]);
            if (tipoEspc == 1)
            {
                    AdicionaEspecificacao(model, model.NomeEspecificacao);
            }
            if (tipoEspc == 2)
            {
                if (string.IsNullOrWhiteSpace(model.NomeEspecificacaoMultiplo))
                {
                    model.ModalEspecificacoes = true;
                    ErrorMessage = Mensagens.UC027_MSG007;
                    model.CodigoUnidadeMedidaPermitidaUsoSimpViewModel
               .AddRange(model.ListaUnidadeMedidasPermitidasParaUso.Select(x => x.CodigoUnidadeMedida));
                    await PreencherUnidadesMedidaViewModelIncluir(model);
                    await AdicionaUnidadeMedidaPermitidasParaUso(model);
                    return PartialView("_Incluir", model);
                }
                else
                {
                    AdicionaEspecificacao(model, model.NomeEspecificacaoMultiplo);
                }
            }
            model.CodigoUnidadeMedidaPermitidaUsoSimpViewModel
                .AddRange(model.ListaUnidadeMedidasPermitidasParaUso.Select(x => x.CodigoUnidadeMedida));
            await PreencherUnidadesMedidaViewModelIncluir(model);
            await AdicionaUnidadeMedidaPermitidasParaUso(model);
            return PartialView("_Incluir", model);
        }
Someone can help me?
Ps: added images for a better analysis of the problem.


What does the request look like when you submit the form? This field is present in it?
– Jéf Bueno
yes is present
– Stand Alone
I added images to show you what’s going on....
– Stand Alone
is for editing only. For inclusion it works...
– Stand Alone