You could probably achieve inner labels in the columns or bars by using a custom marker template and then offsetting the rendering position by a small amount to render the text internally in the column.

You should be able to make a small modification to this sample to achieve this:

http://ko.infragistics.com/community/forums/t/73538.aspx

Hello Arun,

Thank you for contacting us regarding this matter.

Currently, column and bar chart types do not seem to support displaying labels. The full list of currently supported data binding properties for each chart type can be found at:

http://help.infragistics.com/Help/NetAdvantage/jQuery/2012.2/CLR4.0/html/igDataChart_Overview.html

I have therefore logged a product idea on your behalf regarding this functionality. I have sent your product idea directly to our product management team.  Our product team chooses new product ideas for development based on popular feedback from our customer base.  Infragistics continues to monitor application development for all of our products, so as trends appear in requested features, we can plan accordingly.

We value your input, and our philosophy is to enhance our toolset based on customer feedback.  If your feature is chosen for development, you will be notified at that time.  Your reference number for this product idea is PI12110044.

If you would like to follow up on your product idea at a later point, you may contact Developer Support management via email.  Please include the reference number of your product idea in the subject and body of your email message.  You can reach Developer Support management through the following email address:  dsmanager@infragistics.com

Thank you for your request.