private void cbxObraSocial_SelectedIndexChanged(object sender, EventArgs e)
        {
            this.txbLeyenda.Visible = false;
            this.txbLeyenda.Enabled = false;
            if (cbxObraSocial.DataSource == null)
            {
                cbxPlan.DataSource = null;
            }
            else
            {
                this.obrasocial = (ObraSocial)cbxObraSocial.SelectedItem;
                ObraSocialNegocio obraN = new ObraSocialNegocio();
                cbxPlan.DataSource = obraN.PlanObra(this.obrasocial.id);
                if (cbxPlan.Items.Count > 0)
                {
                    cbxPlan.SelectedIndex = 0;
                }

                ObraSocial aux = (ObraSocial)this.cbxObraSocial.SelectedItem;
                if (aux.suspendido == true)
                {
                    this.txbLeyenda.Visible = true;
                    this.txbLeyenda.Text    = "Obra Social Suspendida";
                }
                if (aux.estado == 0)
                {
                    this.txbLeyenda.Visible = true;
                    this.txbLeyenda.Text    = "Obra Social con Baja Definitiva";
                }
            }
        }
        private void cbxNombre_SelectedIndexChanged(object sender, EventArgs e)
        {
            Habilitar_Campos_OS();
            Habilitar_Campos_PL();
            this.cbxPlanes.DataSource = null;
            this.tbxCoseguro.Text     = "0";
            this.cbxPlanes.Text       = "";

            this.Obra = (ObraSocial)this.cbxNombre.SelectedItem;

            ObraSocialNegocio obraN = new ObraSocialNegocio();

            this.cbxPlanes.DataSource = obraN.PlanObra(this.Obra.id);

            if (this.cbxPlanes.Items.Count > 0)
            {
                this.cbxPlanes.SelectedIndex = 0;
            }
            else
            {
                this.tbxCoseguro.Text = "0";
                this.cbxPlanes.Text   = "";

                this.EscribirControles();
            }
            Deshabilitar_Campos_OS();
            Deshabilitar_Campos_PL();
        }
        private void ObtenerPlanes()
        {
            this.cbxPlanes.DataSource = null;
            this.tbxCoseguro.Text     = "0";
            this.cbxPlanes.Text       = "";

            ObraSocialNegocio obraN = new ObraSocialNegocio();

            this.cbxPlanes.DataSource = obraN.PlanObra(this.Obra.id);

            if (this.cbxPlanes.Items.Count > 0)
            {
                this.cbxPlanes.SelectedIndex = 0;
            }
            else
            {
                this.EscribirControles();
            }
        }