CRM 2011 CS: Make Record Inactivate using C#

//Inactive Recordes C#
public bool InactiveRecord ( string entity, Guid id )
{
    try
    {
        SetStateRequest req = new SetStateRequest ( );
 
        //the entity you want to change the state of
        req.EntityMoniker = new EntityReference ( entity, id );
 
        //what should the new state be
        req.State = new OptionSetValue ( ( int ) AccountState.Inactive );
 
        //Pick an option from the status reason picklist to specify reason for state change
        req.Status = new OptionSetValue ( 2 );
 
        this.Service.Execute ( req );
 
        return true;
    }
    catch ( SoapException ex )
    {
        return false;
    }
}
 
//Call
InactiveRecord ( "account",new Guid( "894CC46A-B0CB-4AB0-8BF6-200544E46A2D") ) ;