Multiplication Table via user input in AX 2012

static void Table2(Args _args)
{
    int i,j,c,counter=1;
    Dialog d =new Dialog("Muliplication Tables");
    DialogField df1,df2;  
    df1=d.addField(extendedTypeStr(Num),"Enter the multiplier table to display");
    df2=d.addField(extendedTypeStr(Num),"Enter the multiplicant table to display");
 
   if(d.run())
       {
           i=any2int(df1.value());
           j=any2int(df2.value());
           while (counter<=j)
            {
                c=counter*i;
                counter++;
                info(strFmt("%1",c));
            }
        }
}