Am using the Add Field (Dynamic Component) , to add an instance of a business object. When I add a duplicate value, I get a 500 errors (because indeed it’s a duplicate row in the table underlying the business object). I don’t see anything in the implementation that shows how to catch errors… So h…

here’s an example this.aliasName.setAsyncValidators(async (control) => { debug('control.value', control.value); // Check for duplicates const dupeFound = await Alias.findOne({ where: { name: control.value } }); debug('dupeFound', dupeFound); if (dupeFound) { this.disabled = true; return …

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Add field - detect and deal with duplicate entries

Technical Questions

david.knapp April 4, 2025, 7:04pm 5

Option 3 (server side before create) should work with the Add field.

Add field - detect and deal with duplicate entries

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