Let's examine the grid and column parameters on the Browser screen.

1 - In the Outline field, select JLbsQueryGrid.

2 -  Column Definitions ... by clicking on the ... column.

Form

3 - You can edit column properties.

4 - Title you want to appear in the JLbsQueryGrid

Set the ColumnWidth column properties.
Click the OK button to save and finalize the column definitions.

5 - The JLbsQueryGrid will look like in the image below.