I have implemented a button in magento admin panel under order view section. I want to update database (table) field
With submitting this button. How can and where i submit query to update database field. Please suggest how can I do it
? Give me steps of implementation.
2. In magento admin panel i want to implement auto-suggested function in one text field. How can i do it ?
3. How to newsletter send from admin panel. Is there any automatic function or it send manually? how can admin set , how can admin send it ?