Convert string to checkbox in C #

I have a string and I want to turn it into a checkbox I put it inside a ring and I want my checkbox to be turned on every time the ring is added i have very cheakbox

  for(int i=0;i<= 9577;i++)
{                      
string chk="cheackbox"+i;  
chk.cheack=true;            <=========== help i want use properties(cheack)

}