Add Row Row In Grid

Hi,



When i am added one new row in grid i am getting error in line dhtmlxgrid.js



var c = this.getRowById(row_id);}var cell = (c._childIndexes ? c.childNodes[c._childIndexes[col]] : c.childNodes[col]);return this.cells4(cell)},



c is null.





Please provide sample of a code which return this error.