Hello Forum,
Could you suggest me some post or link where I can see how to make a comparison between an input text and the result of a query made to an SQL table?
The result of the query is a column extracted from an SQL Table in which each raw corrispond to a string to which my input text needs to be compared. If the new inserted text input (CODIFICA) is equal to one of the already existing I need to give a message and ask to choose another input text.
See example:
QUERY RESULT | VALID INPUT TEXT | NOT VALID INPUT TEXT | |||
---|---|---|---|---|---|
AAA | FFF | CCC | |||
BBB | |||||
CCC | |||||
BGA1 | |||||
BGA2 |
When a NOT valid input text is inserted, an alert message must be displayed.
In the above flow there is the check if the input text is empty, I need to add the described other check.
Thank a lot