How to find standard controller class and custom controller class in SFDC? - Salesforce Developer Community
![Creating Account Record and get the data from server Using Standard Controllers and Extension in Salesforce Visualforce Page | how to call extension method in visualforce Creating Account Record and get the data from server Using Standard Controllers and Extension in Salesforce Visualforce Page | how to call extension method in visualforce](https://www.w3web.net/wp-content/uploads/2021/02/createAccVisualforce-min.gif)
Creating Account Record and get the data from server Using Standard Controllers and Extension in Salesforce Visualforce Page | how to call extension method in visualforce
![Creating Account Record and get the data from server Using Standard Controllers and Extension in Salesforce Visualforce Page | how to call extension method in visualforce Creating Account Record and get the data from server Using Standard Controllers and Extension in Salesforce Visualforce Page | how to call extension method in visualforce](https://www.w3web.net/wp-content/uploads/2021/02/createAccVisualforceFeature.jpg)
Creating Account Record and get the data from server Using Standard Controllers and Extension in Salesforce Visualforce Page | how to call extension method in visualforce
hello I want to write a apex class and to use as extension for a visualforce page. The vf page is having standard controller opportunity and through that single page i have
![lightning - Visualforce page does not have valid controller for use with action - Salesforce Stack Exchange lightning - Visualforce page does not have valid controller for use with action - Salesforce Stack Exchange](https://i.stack.imgur.com/AVmKq.png)
lightning - Visualforce page does not have valid controller for use with action - Salesforce Stack Exchange
![Salesforce Tutorials: Standard Controller Extension,Custom Controller Extensions and Uploading the image and displaying in contact details page. Salesforce Tutorials: Standard Controller Extension,Custom Controller Extensions and Uploading the image and displaying in contact details page.](http://2.bp.blogspot.com/-CXr0QSDGdHc/VPsvph-KgTI/AAAAAAAAAVU/ldCxlkTzFo8/s1600/ContactImage.png)