Can I increase row height of the grid? I want display text which might be very long. If I can increase the row height to fit 2 lines of text and wrap the text then value will fit into the cell comfortably.
You just can simply enable multiline mode:
http://docs.dhtmlx.com/doku.php?id=dhtmlxgrid:api_method_dhtmlxgridobject_enablemultiline
Here is the example:
http://www.dhtmlx.com/docs/products/dhtmlxGrid/samples/16_rows_columns_manipulations/03_grid_multiline_col.html