How to pass value from VF to controller?
your {get;set} variable is binded to your input text box which makes it possible to get the value in the controller and also vice versa. Thus when you press button the input value is passed on to controller. , which can contain data, in the form of fields, and code, in the form of procedures. It allows users to create the objects that they want and then create methods to handle those objects.
What is the use of Apex action status?
A component that displays the status of an AJAX update request. An AJAX request can either be in progress or complete.
How to pass variable from VF page to apex class?
First exception on row 0; first error: INVALID_EMAIL_ADDRESS, Email address is invalid: null: [toAddresses, null] This is not how you pass the value from VF page to a controller. You have just specified the Id of the component.
How to pass a value from Visualforce page to controller?
That value will be hard-coded in the VF page. The easiest way I’ve found to do this is using window.setTimeout () with an abitrary low delay value which calls an apex:actionFunction that rerenders a dummy apex:outputPanel within an apex:actionRegion.
What does the dummy apex : outputpanel do?
The apex:actionRegion and the dummy apex:outputPanel prevent the whole page refreshing when the apex:actionFunction is called which will result in your JavaScript being called everytime and ending up in a refresh loop. The apex:actionRegion also prevents the following error occurring when this is used on a page with an apex:inputFile component.
Do you need window to set timeout in apex?
You don’t actually need the window.setTimeout () call at all and can simply call your apex:actionFunction directly, however you must put your call to your apex:actionFunction after (although not necessarily directly after) it’s declaration for this to work. If you are using custom controller then here is how you can do it.