1. By default the random data is loaded for X Axis, Series 1 and Series 2 on page (body) load. To further randomise the date, click on the the link "Autofill with random data". It will fill the data with Labels for X axis, and random values between 0 and 500 for Y Axis as Series 1 and Series 2.
2. Click on the link "Single Bar Chart" or "Double Bar Chart"
3. If X Axis Label is not required, remove this from the text box shown above
4. If Y Axis Label is not required, remove this from the text box shown above

Key Notes

1. This Charts Generation is completely javascript based do not need any third party tool
2. Since this chart generation is HTML/Javascript based, it can clubbed with any web development tools/technology like ASP, ASP.NET, JSP etc to generate the charts
3. Like many chart tools, it does not produce any chart image.

 Scope of Enhancements 

1. Optional Legends can be added

Request for Feedback :: Please spare some time to give feedback about this tool. Your couple of minutes can help in enhancing the quality of this tool

Thanks
Neeraj Saluja