protected void gridClientes_OnRowCommand(Object sender, GridViewCommandEventArgs e)
        {
            try
            {
                this.lblSuccessMessage.Text = "";
                if (e.CommandName.Equals("AddNew"))
                {
                    BLLCliente bLLCliente = new BLLCliente();
                    Cliente    c          = new Cliente();

                    if (validaCampos())
                    {
                        c.Nome             = (gridClientes.FooterRow.FindControl("txtNomeFooter") as TextBox).Text.Trim();
                        c.RG               = (gridClientes.FooterRow.FindControl("txtRGFooter") as TextBox).Text.Trim();
                        c.CPF              = (gridClientes.FooterRow.FindControl("txtCPFFooter") as TextBox).Text.Trim();
                        c.PontuacaoCliente = Convert.ToDecimal((gridClientes.FooterRow.FindControl("txtPontuacaoClienteFooter") as TextBox).Text.Trim());
                        c.dataNascimento   = Convert.ToDateTime((gridClientes.FooterRow.FindControl("txtdataNascimentoFooter") as TextBox).Text.Trim());

                        bLLCliente.InserirCliente(c);
                        CarregarGridClientes();
                        this.lblSuccessMessage.Text = "New Record Added";
                        lblErrorMessage.Text        = "";
                    }
                }
            }
            catch (Exception ex)
            {
                lblSuccessMessage.Text = "";
                lblErrorMessage.Text   = ex.Message;
            }
        }