custom validtion in javascript of checkbox

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Hi, i am new in development field..i have problem regarding validation..this is my webpage diagram here..

VB

NoOfAnswers:12345671234567***here i have a dropdownlist of seven answers...every answer is associated with textbox and checkbox...here above textbox has been written as 1 t0 7...previous one just as no of answrs in DRP frm 1 to7..pls i want to put validation on checkbox..so that we could skip to click on  only one answer..so pls help me out..if i click on 3 answers frm DRP thn we will not be allowed to skip it..at least on answer must be checked..pls help me out..

[CbxAnswer1]
[CbxAnswer2]
[CbxAnswer3]
[CbxAnswer4]
[CbxAnswer5]
[CbxAnswer6]
[CbxAnswer7]
thanks .....

Posted 22-Sep-11 19:04pm

keshav kumar jha

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Sergey Alexandrovich Kryukov · Answer 1 · 2011-09-22T19:36:00

Solution 1

You will find some idea in my recent solution how to save the selected checkbox text into database[^].

—SA

Posted 22-Sep-11 19:36pm

Sergey Alexandrovich Kryukov

shashikanth 2011 · Answer 2 · 2011-09-22T22:07:00

I didn't get your question clearly, but you want validation on drop down list right.. just go through this..

HTML

<select id="selctionlist" name="Answer to:">
   <option>1</option>
   <option>2</option>
   <option>3</option>
   <option>4</option>
   </select>
   <input type="text" /><input type="checkbox" name="c" /><br />
    <input type="text" /><input type="checkbox" name="c" /><br />
     <input type="text" /><input type="checkbox" name="c" /><br />
      <input type="text" /><input type="checkbox" name="c" /><br />
      <input type="button" onclick="validate()" /></select>

JavaScript

function validate()
        {

            var i = selctionlist.selectedIndex;
            if (c[i].checked == false)
            alert("Please check box" +(i+1));
            
            
       }