如何在yii中创建自定义自动填充文本字段

I am new to yii. I need to write custom yii auto complete.I knew that CJuiAutocomplete is there.but I need to implement own custom auto complete. can anyone pls guide me or help me to develop custom autocomplete textfield. taking the id while displaying name in the textfield.I am new to yii. I need to write custom yii aut