Design and Architecture

private void Page_Load(object sender, System.EventArgs e)
{
    if (!IsPostBack)
    {
        // do work
        someControl.val = 1;
    }
}

private void Page_Load(object sender, System.EventArgs e)
{
    if (IsPostBack)
        return;

    // do work with no indents, and no "complex" logic to figure out
    someControl.val = 1;
}

public IIdentity Identity {
    get 
    {
	if (this._identities.Count > 0)
	     return this._identities[0];
	else 
             return null;
    }
}

public IIdentity Identity {
    get
    {
        if (this._identities.Count <= 0)
            return null;  // uninteresting case, get outta here!
        
        // real work - who needs an else anyway?
        return this._identities[0];
    }
}