Use Loop to Read Form Controls : Form Input Data « JSP « Java Tutorial

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Java Tutorial » JSP » Form Input Data

23. 25. 1. Use Loop to Read Form Controls

index.jsp


<HTML>

    <HEAD>

        <TITLE>Submitting Check Boxes</TITLE>

    </HEAD>

 

    <BODY>

        <H1>Submitting Check Boxes</H1>

        <FORM action="basic.jsp" method="post">

            <INPUT TYPE="CHECKBOX" NAME="checks" VALUE="check1" CHECKED>

            Checkbox 1

            <BR>

            <INPUT TYPE="checkbox" NAME="checks" VALUE="check2">

            Checkbox 2

            <BR>

            <INPUT TYPE="checkbox" NAME="checks" VALUE="check3">

            Checkbox 3

            <BR>

            <INPUT TYPE="submit" VALUE="Submit">

        </FORM>

    </BODY>

</HTML>

basic.jsp


<HTML>

    <HEAD>

        <TITLE>Reading Checkboxes</TITLE>

    </HEAD>



    <BODY>

        <H1>Reading Checkboxes</H1>

        You checked: 

        <BR>

        <% String[] items = request.getParameterValues("checks");

        for(int i = 0; i < items.length; i++){

            out.println(items[i] + "<BR>");

        }

        %>

    </BODY>

</HTML>

Download: UseLoopToReadFormControls.zip( 1 k)

23. 25. Form Input Data
	23. 25. 1.	Use Loop to Read Form Controls
	23. 25. 2.	Use For Each to Loop Through all Values Passed in by Form
	23. 25. 3.	Read Hidden Control in Same File
	23. 25. 4.	Pass Form Value to Bean
	23. 25. 5.	Form with Error Checking

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