[StackOverflow/reactjs] How to set up selected value in Select field of ant design so that it remains compatible with validation rule in reactJS?
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### ROOT CAUSE
The issue occurs because the ant design Select field is not properly bound to the form's state, causing validation rules to fail or the selected value to not persist. This happens when:
1. The `value` prop is set manually without using the form's `getFieldDecorator`.
2. The `onChange` handler is not properly connected to the form's state.
3. The Select's value does not match any option value, causing the selection to appear "unselected".
### CODE FIX
Ensure proper integration with ant design's Form API by using `getFieldDecorator` to bind the Select to the form state. Here's the corrected code:
```jsx
import { Form, Select } from 'antd';
const { Option } = Select;
const MyForm = Form.create()(props => {
const { form } = props;
// Use getFieldDecorator to bind the Select to form state
const renderSelect = getFieldDecorator('mySelect', {
initialValue: null, // Set initial value if needed
rules: [{ required: true, message: 'Please select an option!' }],
})();
return (
);
});
// Usage
```
**Key Fixes:**
1. **Use `getFieldDecorator`:** Binds the Select to the form's state, ensuring value changes are tracked.
2. **Validate via Form Rules:** Attach validation rules directly to the form field.
3. **Ensure Option Values Match:** Verify `value` attributes in `
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