i want to display dhtmlxgrid with the dhtmlxchart in the same page.if user clicks any bar in the chart den it will automatically displays the particular details .My problem is that once i clicked the bar it displayed the details.but again when i click the same bar it’s not displaying.(How can i call the dhtmlxgrid function from dhtmlxchart).

You may try to use onItemClick event of dhtmlxChart.
docs.dhtmlx.com/doku.php?id=dhtm … nitemclick

It will fire on every click on the bar.
If issue still occurs - please, provide a sample of your code.