Posts by Isaac • 35 points
5 posts
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0
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answers18
viewsQ: How a text input box in a jsp page can receive the value of an sql query
I want to send the result of a SELECT COUNT(*) FROM tabela for an input text box on the jsp page: On the page dao I have: public int getRowNumber() throws SQLException { int numberRow = 0; String…
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answer192
viewsQ: java.lang.Numberformatexception: null
I’m getting the following error: java.lang.NumberformatException: null; My code: <%! int a; %> <%! int b; %> <% String getTest = request.getParameter("testJava");…
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answer66
viewsQ: MP3 does not work in Javasccript
I want mp3 to be triggered when entering the html page, but it is giving error and does not work. The code in javascript: var audio, playbtn; function initAudioPlayer(){ audio = new Audio();…
javascriptasked Isaac 35 -
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answers44
viewsQ: How to query database postgres from web java
I want to do a database search from my HTML page by typing the first letters (eg and%) and in the table should appear the list of words starting with the typed letter: My database is Postgresql.…
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answers1820
viewsQ: How to change the color of a row in the HTML table in Javascript
By clicking the button, I want to change the row color of an HTML table if it has the same value as my text box. My table: <table id="tablefc" border="4"> <tr> <th>First…
javascriptasked Isaac 35