casting - Cast from unknown type in c# -

i have object contain value in string , origin type in field.

class myclass {    public string value;    public type type; } myclass s=new myclass(); s.value = "10"; s.type = typeof(int); type tt = s.type; row.value[ind]= s[0].value tt; //i have error here 

how can cast value that's type.

basically scenario want type cast type stored in variable. can @ runtime :

    myclass s=new myclass();     s.value = "10";     s.type = typeof(int);      var val = convert.changetype(s.value, s.type); 

but since conversion done @ runtime, cannot store variable val in integeral collection i.e. list<int> or cannot int = val, coz @ complie time, type not known yet, , have compilation error, again same obvious reason.

in little complex scenario, if had typecast user-defined datatype , wanted access different properties, cannot is. let me demonstrate few modifications code :

class myclass {     public object value;     public type type; } 

and have another:

    class mycustomtype     {         public int id { get; set; }     } 

now :

 myclass s = new myclass();  s.value = new mycustomtype() { id = 5 };  s.type = typeof(mycustomtype);  var val = convert.changetype(s.value, s.type); 

now if val.id, won't compile. must retrieve either using dynamic keyword or reflection below:

 var id = val.gettype().getproperty("id").getvalue(val); 

you can iterate on available properties of customtype (class) , retrieve values.

for retrieving through dynamic keyword, directly this:

dynamic val = convert.changetype(s.value, s.type); int id = val.id; 

and compiler won't cry. (yes there won't intellisense though)