dhtmlx grid with custom excell type column

I am working on custom excell type column , can youn pls tell me what should be the format to load data in grid with custom excell type.

pls reply soon its urgent

Unfortunately your issue is not clear.
Here you can find a tutorial with examples of creating a custom exCell:
docs.dhtmlx.com/doku.php?id=dhtm … l_creation
Here you can find a working example of the custom exCell:
dhtmlx.com/docs/products/dht … ormat.html

If any issue still occurs for you, please, clarify it if it’s possible.