PowerArgs.Cli.Grid.Down C# (CSharp) Method

        public void Down()
        {
            if (DataView.IsLastKnownItem(SelectedItem) == false)
            {
                SelectedIndex++;
            }

            if (SelectedIndex >= visibleRowOffset + NumRowsInView)
            {
                visibleRowOffset++;
                this.query.Skip = visibleRowOffset;
                DataView = DataSource.GetDataView(query);
            }

            if (SelectedIndex - visibleRowOffset < DataView.Items.Count)
            {
                SelectedItem = DataView.Items[SelectedIndex - visibleRowOffset];
            }
            else if (SelectedIndex > 0)
            {
                SelectedIndex--;
                SelectedItem = DataView.Items[SelectedIndex - visibleRowOffset];
            }

        }