protected void OnLoad(object sender, EventArgs e)
        {
            var filterType = typeof(TFilter);

            if (_grdDataBindingNow && _sessVar.IsFilterOn(filterType))
            {
                var funktor = _sessVar.GetFilter(filterType) as Db.FilterFunctor <TEntity, int>;
                _dpd.SelectedValue = funktor.RValue.ToString();
            }
        }
        protected void OnLoad(object sender, EventArgs e)
        {
            var filterType = typeof(TFilter);

            if (_grdDataBindingNow && _sessVar.IsFilterOn(filterType))
            {
                var funktor = _sessVar.GetFilter(filterType) as Db.FilterFunctor <TEntity, mko.Interval <double> >;
                _vonBis.VonBis = funktor.RValue;
            }
        }
        protected void OnLoad(object sender, EventArgs e)
        {
            var filterType = typeof(TFilter);

            if (_grdDataBindingNow && _sessVar.IsFilterOn(filterType))
            {
                var funktor = _sessVar.GetFilter(filterType) as Db.FilterFunctor <TEntity, string>;
                _tbx.Text = funktor.RValue;
            }
        }