循环webmethod，以便2个ajax调用检索2个不同的调用

I have mixed a lot of information, but it worked fine, until i discovered i wanted 2 doughnut charts, then i got into problem, that i'm out of bounds i have tried to find a way to loop the webmethod, so it receive the 2 ajax calls, it does receive them, but it doesn't have loop in webmethod like i want to, so it retrieve different, like chart1, should be something about ships and chart2 should be about something else. I have mixed a lot of information, but it w