About Ms chart Control in C#

Question

Hi,

 

Am praveen recently I got a requirement like to develope a  Chart control with runtime database values.

 

There is a small condition before to show the values and chart, I have to caluclate the Mean for those result set and according that Mean value I have to create one stripline and attached to chart control.

 

upto this happening fine but when the mean value is like 1.34 the strip line is appearing thick.

But I want for every mean value the strip line and chart area should be consistant,any body please help me  on this am struggling lot.

 

Thanks in advance