✍️ When a value is changed in a field input, the onChange event of the form filed will be called.

• 1. Summary
• 2. Result
• 3. Step by Step Guide
• 3.1 Step 1 - Set your onChange event on form field
• 3.2 Step 2 - Implement a client logic function
• Documentation

1. Summary

✍️ When a user wants to react on a form field input value change event, he can use the event onChange to define custom Client Logic.

2. Result

✍️ Open sample screen SampleFormChangeEventDialog . You will find a form with different field types. Each form field has an onChange event applied which displays a notification with the value of the form field.

3. Step by Step Guide

3.1 Step 1 - Set your onChange event on form field

✍️ Set your onChange event on a form field, for eg. #.onChange(eventSource);

3.2 Step 2 - Implement a client logic function

✍️ Select in designer “Open events file” and add your new client logic function In our case SampleFormChangeEventDialog.ts

export function onChange(eventSource: akioma.swat.DataField) {
  akioma.swat.Message.informationMessage(`onChange event fired in ${eventSource.name}, current value: ${eventSource.screenValue}`);
}

Documentation

To find more information, you can check the following documentation.

Field

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