How to change text field error label when an existing user is found in flutter?

Asked May 03 '21 at 15:52

Active May 03 '21 at 16:13

Viewed 390 times

For example on submission of a form containing Text Form Fields using validation and text editing controllers, how can I change the error label to show that an user with the username entered already exists after checking the database?

Sample Code:

Expected Output:

edited May 03 '21 at 16:13

asked May 03 '21 at 15:52

AmTeja

it seems duplicated question. Please check this link. https://stackoverflow.com/questions/53194662/flutter-async-validator-of-textformfield – loyal May 03 '21 at 16:18
I will try it out and let you know! Thank you. – AmTeja May 03 '21 at 16:29
Always copy-paste your actual code on StackOverflow instead of adding screenshots. – Christian May 03 '21 at 22:00

How to change text field error label when an existing user is found in flutter?

0 Answers0