protected void get_filters()
    {
        DbFilterFieldCollection _filter = new DbFilterFieldCollection().Load();
        DataTable _dt = (DataTable)_filter.ToDataTable();

        for (Int32 ix = 0; ix <= _dt.Rows.Count - 1; ix++)
        {
            DevExpress.Web.ASPxEditors.FilterControlColumn _col = new DevExpress.Web.ASPxEditors.FilterControlColumn();
            _col.DisplayName  = _dt.Rows[ix]["filter_caption"].ToString();
            _col.PropertyName = _dt.Rows[ix]["field_name"].ToString();
            _col.ColumnType   = get_column_type(_dt.Rows[ix]["column_type"].ToString());
            this.advancedFilter.Columns.Add(_col);
        }
    }
    protected void get_filters()
    {

        DbFilterFieldCollection _filter = new DbFilterFieldCollection().Load();
        DataTable _dt = (DataTable)_filter.ToDataTable();

        for (Int32 ix = 0; ix <= _dt.Rows.Count - 1; ix++)
        {
            DevExpress.Web.ASPxEditors.FilterControlColumn _col = new DevExpress.Web.ASPxEditors.FilterControlColumn();
            _col.DisplayName = _dt.Rows[ix]["filter_caption"].ToString();
            _col.PropertyName = _dt.Rows[ix]["field_name"].ToString();
            _col.ColumnType = get_column_type(_dt.Rows[ix]["column_type"].ToString());
            this.advancedFilter.Columns.Add(_col);
        }
    }