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Thread: how to delete record from checking checkbox value.

  1. #1
    Junior Member
    Join Date
    Dec 2009
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    Default how to delete record from checking checkbox value.

    i would like to use jsp and java to write a add/edit/delete function.

    I am a beginner, now i dont know how to create a java as a database layer in which i connect to database and write sql statement to insert/delete/update the table.

    afterwards, i would like to use jsp to create a layout.

    now , I don't know how to check the checkbox value from the table and then the user click the delete button to delete all ticked record in the table.

    I already write the code in jsp as belows:
    <INPUT TYPE="submit" value="Delete" onClick="">
         <tr><td><%=rs.getString(1) %></td>
         <td><%=rs.getString(2) %></td>
         <td><%=rs.getString(3) %></td>
         <td><center><input type="checkbox" name="del" ></center></td></tr>
    Last edited by helloworld922; March 12th, 2010 at 09:25 AM.

  2. #2
    Junior Member
    Join Date
    Mar 2010
    Thanked 0 Times in 0 Posts

    Default Re: how to delete record from checking checkbox value.

    To use java to access the database, first please read about the JDBC apis.
    and then learn how to use javascript to access DOM objects


  3. #3
    Junior Member
    Join Date
    Mar 2010
    Thanked 4 Times in 2 Posts

    Default Re: how to delete record from checking checkbox value.

    If your page has a control something like this:

    <input type="checkbox" name="idValue" value="${myObj.id}">

    Then in the servlet that you go to when submitting the form:
    String[] idsToDelete = request.getParameterValues("idValue");
    That will give you an array of all the ids that were selected that need to be deleted.
    Loop through that array, and delete them one by one.

  4. The Following User Says Thank You to heronfisher For This Useful Post:

    Json (March 15th, 2010)

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