Submit button not working

yes initially i have written a code that is not working so i used chatgpt and still no luck so i have removed the dropdown and now scenario is that there is repeater called #listRepeater which populates data from dataset called ‘contact03’ contain field called gradeTest which is numeric field in dataset. and i have a input box called #input1 and a button called #button1. So i want to collect input from #input1 and when onclick #button1 then insert value of #input1 in gradeTest in dataset contact03 so can you help me in this