public void Add int value if head null head new Node value null null e

public void Add( int value)
            {
                
                if (head == null)
                {
                    head = new Node(value, null, null);
                    
                }
                else
                {
                    Node headtemp = head;
                    while (true)
                    {

                        if (headtemp.value <= value)
                        {
                            headtemp = headtemp.right;
                            
                        }
                        else
                            if (headtemp.value > value)
                                headtemp = headtemp.left;
                        if (headtemp == null)
                        {
                            headtemp = new Node(value, null, null);
                            break;
                        }
                       
                        
                    } 

                }
            }