asp.net - Increment Tablix objects in c# -

i converting crystal reports ssrs reports , converting area sections of crystal reports tablix in ssrs.

below code object declaration.

tablix tab = new tablix(); tab.name = crsec.objname; tablixbody tabb = new tablixbody(); tablixcolumn tabcol = new tablixcolumn(); tablixrow tabrow = new tablixrow(); tablixhierarchy tcolhier = new tablixhierarchy(); tablixhierarchy trowhier = new tablixhierarchy(); 

now how can increment these object names in each loop, each object have unique id on each iteration.