Assigning of integer value of a text box to min in <occur min="">

Hi,

I want to assign a dynamic integer value that is stored into a text box to min of the subform.
Here the min accept onlythe integer value. But I have the integer value in text box which is accessed
using it's name like test.rawValue.

ie If assign I am getting error like" Invalid value:'xfa.test1.rawValue' for 'integer property ". Please help.