protected void Page_Load(object sender, EventArgs e)
 {
     //SqlDataSource1.SelectCommand = "SELECT matricula_ge AS Matricula, dni_ge AS DNI, nombre_ge AS Nombre, apellido_ge AS Apellido, nacimiento_ge AS Nacimiento, mail_ge AS Mail, nombre_perfil_ge AS [Nombre de perfil] FROM Gestores";
     if (!IsPostBack)
     {
         DataTable tablaGestores = neg.getTabla();
         grvgestores.DataSource = tablaGestores;
         grvgestores.DataBind();
     }
 }
        protected void grvgestores_RowDeleting(object sender, GridViewDeleteEventArgs e)
        {
            negociogestores neg         = new negociogestores();
            string          s_matricula = ((Label)grvgestores.Rows[e.RowIndex].FindControl("lbl_it_matricula")).Text;

            Gestores ges = new Gestores();

            ges.SetMatriculaGS(s_matricula);


            neg.EliminarGestores(s_matricula);

            DataTable tablaGestores = neg.getTabla();

            grvgestores.DataSource = tablaGestores;
            grvgestores.DataBind();
        }