c# - How to not specify the data type of arguments? -

i want adapter function. parent class want datatable, while derived class may pass in anything. i'm setting data type object , cast it. not think pretty.

class parent {     protected void add(datatable dt) { ... }        // real business logics     public virtual void addraw(object anything) {} }  class child1 : parent {     public override void addraw(object anything)     {         mytable1 t = (mytable1) anything;          // pseudo code         datatable dt = new datatable();         foreach(row r in t)         {             dt.addrow(r);         }          this.add(dt);     } }  class child2 : parent {     public override void addraw(object anything)     {         mytable2 t = (mytable2) anything;         ...     } } 

i've background javascript , python. it's common such things in "weak type" languages, , within can pass anywhere.

i've used <t> , delegate in c# before. cannot think of way using them here.

what's c# way of doing this?

you can use dynamic keyword, interface implementation or abstract base class, prefer using typed members possible.

use of dynamic:

public override void addraw(dynamic anything) {     // pseudo code     datatable dt = new datatable();     foreach(row r in anything)     {         dt.addrow(r);     }      this.add(dt); } 

you can this, if want match , act based on type:

public override void addraw(object anything) {     if (o mytable)     { ... }     else if (o string)     { ... } }