How to call a controller from another function within the same lightning component?

How to call a controller from another function within the same lightning component?

Do anyone know “how to call a lightning controller function from another function within the same lightning component?” Thanks Aruna

What do you need to know about lightning component?

If you have worked on Visualforce and started playing with Lightning Component, you must have identified one important missing feature, which is standard Controller. Lets assume a scenario, you have two Lightning Components on Account page. One Lightning Component is used to show some fields and other component is used to edit same record.

What happens when data gets changed in Lightning?

If data gets changed because of any component, Other component needs to be informed with the help of Lightning Events. Again, it would cost performance, as every Lightning component may listen that event. Data Inconsistency. It is quite possible that field updated but because of some defect / issue data not reflected everywhere.

How are Lightning components used in APEX method?

One Lightning Component is used to show some fields and other component is used to edit same record. To achieve this, both Lightning components would invoke Apex method separately at the cost of performance, by issuing duplicate server calls.

Can you call a helper from a component?

You can only call methods from components in your own namespace, or global methods from another namespace. You need an instance of the component to call the helper. You cannot call it without first loading the component. This has implications on performance, so it should be used sparingly, and only as necessary.

What are the math functions in Lightning aura?

All functions are case-sensitive. The math functions perform math operations on numbers. They take numerical arguments. The Corresponding Operator column lists equivalent operators, if any. Adds the first argument to the second. Subtracts the second argument from the first. Multiplies the first argument by the second.

When to chain multiple operations in Lightning aura?

If you have more than two arguments, you can chain multiple && operations. Returns true if either one of the arguments is true. This function supports only two arguments. Any arguments after the first two are ignored. If you have more than two arguments, you can chain multiple || operations. Returns true if the argument is false.

Can you use multiple APEX methods in Lightning controller?

Don’t be a jerk or do anything illegal. Everything is easier that way. Please access our Privacy Policy to learn what personal data Disqus collects and your choices about how it is used. All users of our service are also subject to our Terms of Service. can we use lightning:fileUpload in above component….

How to call a server-side action from a component?

When we want to call a Server-Side Action from a component, we make a reference to the method in the client side controller like this: The cmp.get (“c.serverEcho”) call indicates that we’re calling the serverEcho >method in the server-side controller.

Is it possible to hook into several controllers from an aura component?

SO… if we want to make references to two different Server-Side Apex controller Classes, we would need a means to identify the two Apex Classes as, let’s say, “c1” and “c2”. Only then would we be able to make a reference methods from one or the other… that’s currently not supported.