Specifies the column indices and the column headers data. Defines which data items should be displayed in each column.
var model = obj.getColumnModel();
or
obj.setColumnModel(model);
| count | Sets or retrieves the number of columns in the grid. |
| index | Retrieves the column index. |
| order | Retrieves the display order for the column. |
| text [ ] | Allows to specify the text for the column headers. |
| image [ ] | Allows to specify the image to display in the column headers. |
| value [ ] | Sets or retrieves the column index or the array of indexes. |
| tooltip [ ] | Allows to specify the tooltips text for the column headers. |