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J'avais besoin d'un formulaire pour les Ã©tudiants inscrits Ã des cours de formation. Je ne pouvais pas trouver exactement ce dont j'avais besoin lÃ -bas, alors j'ai construit ma propre (emprunts du code des autres (crÃ©dits accordÃ©s dans le code)). Le plus important est que, si, aprÃ¨s avoir changÃ© les donnÃ©es, la requÃ©rante a modifiÃ© le nombre d'Ã©tudiants ou de frapper le bouton retour de la page suivante, les donnÃ©es existantes ne seraient pas perdus.

N'hÃ©sitez pas Ã faire ce que avec ce code, pas de crÃ©dit Ã mon besoin. Si vous faites mieux, mais, s'il vous plaÃ®t n'hÃ©sitez pas Ã l'e-mail me! CrÃ©er un formulaire qui change dynamiquement le nombre de champs disponibles fondÃ©e sur une liste de valeur.

ï¿½tiquette: Dynamique des champs de formulaire

Rapport de nous cette erreur JavaScript

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Code
JavaScript
HTML
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<SCRIPT language=JavaScript>
<!--

/*
Write To Layer (Below writetoLyr function only.)
Â© Eddie Traversa (nirvana.media3.net)
*/

function writetoLyr(name, message) {
    if (document.layers) {
        document.layers[name].document.close();
        document.layers[name].document.write(message);
        document.layers[name].document.close();
    } else {
        if (document.all) {
            eval("document.all." + name + ".innerHTML='" + message + "'");
        } else {
            document.getElementById(name).innerHTML = message;
        }
    }
}

function storeForm() {

	// sort out the storage of data

    var fieldname = new Array();
      fieldname[0] = "name";
      fieldname[1] = "dept";
      fieldname[2] = "phone";
      fieldname[3] = "email";

   for (oi=0;oi<=3;oi++) {

          for (i=1;i<=20;i++) {

               if (eval("document.reg."+fieldname[oi]+"_"+i)) {
               eval("document.reg.s"+fieldname[oi]+"_"+i+".value = document.reg."+fieldname[oi]+"_"+i+".value");
               }

               else { eval("document.reg.s"+fieldname[oi]+"_"+i+".value = ''"); }

            }
      }
}

function sendForm() {

	// sort out the storage of data
    storeForm()

	// submit form
	document.reg.submit()
}

function numstudentstoget(namelay) {

 tabheight = 100;

 var vararr_alph = new Array();
 vararr_alph[0] = 'Student A';
 vararr_alph[1] = 'Student B';
 vararr_alph[2] = 'Student C';
 vararr_alph[3] = 'Student D';
 vararr_alph[4] = 'Student E';
 vararr_alph[5] = 'Student F';
 vararr_alph[6] = 'Student G';
 vararr_alph[7] = 'Student H';
 vararr_alph[8] = 'Student I';
 vararr_alph[9] = 'Student J';
 vararr_alph[10] = 'Student K';
 vararr_alph[11] = 'Student L';
 vararr_alph[12] = 'Student M';
 vararr_alph[13] = 'Student N';
 vararr_alph[14] = 'Student O';
 vararr_alph[15] = 'Student P';
 vararr_alph[16] = 'Student Q';
 vararr_alph[17] = 'Student R';
 vararr_alph[18] = 'Student S';
 vararr_alph[19] = 'Student T';

var arrname = new Array();
var arrdept = new Array();
var arrphone = new Array();
var arremail = new Array();

var fieldname = new Array();
    fieldname[0] = "name";
    fieldname[1] = "dept";
    fieldname[2] = "phone";
    fieldname[3] = "email";

for (oi=0;oi<=3;oi++) {

    for (i=0;i<=19;i++) {
        iadd1=i+1;
        eval("arr"+fieldname[oi]+"["+i+"] = document.reg.s"+fieldname[oi]+"_"+iadd1+".value");

     }
 }

 numstuds = document.reg.numStudents.selectedIndex;

 zerostuds = '' +
 '' +
 ' <TABLE style="background: #008081; color: black; font-size: 9pt;"' +
 '       BORDER=2 CELLSPACING=6 CELLPADDING=6 width="650" height="' + tabheight + '">' +
 ' <TR>' +
 ' <TD ALIGN="bottom" COLSPAN="6">' +
 ' <center>' +
 ' <TABLE style="background: #008081; color: black; font-size: 9pt;"' +
 '        BORDER=0 CELLSPACING=0 CELLPADDING=0 width="650" height="' + tabheight + '">' +
 ' <TR>' +
 ' <TD ALIGN="bottom" COLSPAN="6">' +
 ' <center>' +
 ' <p><font color="#FFFF66"><b>Student fields will appear here, When a number above 0 has been selected.</b></font></p>' +
 ' </center>' +
 ' </TR>' +
 ' </TABLE>' +
 ' </center>' +
 ' </TD>' +
 ' </TR>' +
 ' </TABLE>';

pagetomake = zerostuds;

if (numstuds > 0)  {

 buildit = '' +
 '' +
 '<TABLE style="background: #008081; color: black; font-size: 9pt;"' +
 ' BORDER=2 CELLSPACING=6 CELLPADDING=6 width=650 height="' + tabheight + '">' +
 ' <TR> ' +
 ' <TD ALIGN="bottom" COLSPAN="6"> ' +
 ' <center> ' +
 ' <TABLE style="background: #008081; color: black; font-size: 9pt;" ' +
        ' BORDER=0 CELLSPACING=0 CELLPADDING=0 width=650 height="' + tabheight + '"> ' +
 ' <TR> '  +
 ' <TD ALIGN="bottom" COLSPAN="6"> ' +
    '   <TR>' +
    '   <TD  width="110px" height="20" style="background-color: #008081 ; color: #ffffff; font-size: 9pt; font-weight: bold; " ALIGN= "left"><b>&nbsp;Name<b><font color="red">*</font></b></b></TD>' +
    '   <TD  width="182px" height="20" style="background-color: #008081 ; color: #ffffff; font-size: 9pt; font-weight: bold; " ALIGN= "left"><b>&nbsp;Department</b></TD>' +
    '   <TD  width="20px" height="20" style="background-color: #008081 ; color: #ffffff; font-size: 9pt; font-weight: bold; " ALIGN= "left"><b>&nbsp;Telephone</b></TD>' +
    '   <TD  width="80px" height="20" style="background-color: #008081 ; color: #ffffff; font-size: 9pt; font-weight: bold; " ALIGN= "left"><b>&nbsp;Email</b></TD>' +
    '   </TR>' +
    '   <TR>' +
    '   <TD COLSPAN="6" style="background-color: #008081 ; color: #ffffff; font-size: 9pt; font-weight: bold; " ALIGN= "left" valign="top">';

    for (i=1;i<=numstuds;i++) {
      buildit=buildit+
      ' <input type="text" name="name_'+i+'" size="20" value="';

      if (arrname[i-1]) { sname=arrname[i-1] } else { sname=vararr_alph[i-1] }

      buildit=buildit +
      sname +
      '"><input type="text" name="dept_'+i+'" value="'+arrdept[i-1] +'" size="35"><input type="text" name="phone_'+i+'" value="'+arrphone[i-1] +'" size="15"><input type="text" name="email_'+i+'" value="'+arremail[i-1] +'" size="15"><br>';
       }

    buildit = buildit +
    '' +
    '   </TD>' +
    '   </TR>' +
    '   <TR>' +
    '   <TD COLSPAN="6" style="background-color: #008081 ; color: #ffffff; font-size: 9pt; font-weight: bold; " valign= "top" align="right"><br>' +
    '   <input type="button" onClick="javascript:sendForm()" value="Next Page &gt;">' +
 ' </TR>' +
 ' </TABLE>' +
 ' </center>' +
 ' </TD>' +
 ' </TR>' +
 ' </TABLE>';

 pagetomake = buildit;

}

else {

  pagetomake = zerostuds;

}


 writetoLyr(namelay, pagetomake);

}

function reloadfields(layn) {

    numstuds = document.reg.numStudents.selectedIndex;

    // store it first unless students is zero (incase)
    if (numstuds != 0) {

    storeForm();

    }

    // reload/load anyway

    numstudentstoget(layn);
 }

//-->
</SCRIPT>
	<!--
    	This script downloaded from www.JavaScriptBank.com
    	Come to view and download over 2000+ free javascript at www.JavaScriptBank.com
	-->

Copy All x2

<BODY onload="numstudentstoget('studlay')">
<FORM name=reg action=nowtatall method=post>
<DIV id=maindiv><!-- Here we define hidden fields for temp storage of the DHTML field data.
     so that if they change number of rows, or hit the back button from the next
     page their data will still be where it was.  (Probably is a much better way than this!) --><INPUT 
type=hidden name=sname_1> <INPUT type=hidden name=sdept_1> <INPUT type=hidden 
name=sphone_1> <INPUT type=hidden name=semail_1> <INPUT type=hidden 
name=sname_2> <INPUT type=hidden name=sdept_2> <INPUT type=hidden name=sphone_2> 
<INPUT type=hidden name=semail_2> <INPUT type=hidden name=sname_3> <INPUT 
type=hidden name=sdept_3> <INPUT type=hidden name=sphone_3> <INPUT type=hidden 
name=semail_3> <INPUT type=hidden name=sname_4> <INPUT type=hidden name=sdept_4> 
<INPUT type=hidden name=sphone_4> <INPUT type=hidden name=semail_4> <INPUT 
type=hidden name=sname_5> <INPUT type=hidden name=sdept_5> <INPUT type=hidden 
name=sphone_5> <INPUT type=hidden name=semail_5> <INPUT type=hidden 
name=sname_6> <INPUT type=hidden name=sdept_6> <INPUT type=hidden name=sphone_6> 

<INPUT type=hidden name=semail_6> <INPUT type=hidden name=sname_7> <INPUT 
type=hidden name=sdept_7> <INPUT type=hidden name=sphone_7> <INPUT type=hidden 
name=semail_7> <INPUT type=hidden name=sname_8> <INPUT type=hidden name=sdept_8> 
<INPUT type=hidden name=sphone_8> <INPUT type=hidden name=semail_8> <INPUT 
type=hidden name=sname_9> <INPUT type=hidden name=sdept_9> <INPUT type=hidden 
name=sphone_9> <INPUT type=hidden name=semail_9> <INPUT type=hidden 
name=sname_10> <INPUT type=hidden name=sdept_10> <INPUT type=hidden 
name=sphone_10> <INPUT type=hidden name=semail_10> <INPUT type=hidden 
name=sname_11> <INPUT type=hidden name=sdept_11> <INPUT type=hidden 
name=sphone_11> <INPUT type=hidden name=semail_11> <INPUT type=hidden 
name=sname_12> <INPUT type=hidden name=sdept_12> <INPUT type=hidden 
name=sphone_12> <INPUT type=hidden name=semail_12> <INPUT type=hidden 
name=sname_13> <INPUT type=hidden name=sdept_13> <INPUT type=hidden 
name=sphone_13> <INPUT type=hidden name=semail_13> <INPUT type=hidden 
name=sname_14> <INPUT type=hidden name=sdept_14> <INPUT type=hidden 
name=sphone_14> <INPUT type=hidden name=semail_14> <INPUT type=hidden 
name=sname_15> <INPUT type=hidden name=sdept_15> <INPUT type=hidden 
name=sphone_15> <INPUT type=hidden name=semail_15> <INPUT type=hidden 
name=sname_16> <INPUT type=hidden name=sdept_16> <INPUT type=hidden 
name=sphone_16> <INPUT type=hidden name=semail_16> <INPUT type=hidden 
name=sname_17> <INPUT type=hidden name=sdept_17> <INPUT type=hidden 
name=sphone_17> <INPUT type=hidden name=semail_17> <INPUT type=hidden 
name=sname_18> <INPUT type=hidden name=sdept_18> <INPUT type=hidden 
name=sphone_18> <INPUT type=hidden name=semail_18> <INPUT type=hidden 
name=sname_19> <INPUT type=hidden name=sdept_19> <INPUT type=hidden 
name=sphone_19> <INPUT type=hidden name=semail_19> <INPUT type=hidden 
name=sname_20> <INPUT type=hidden name=sdept_20> <INPUT type=hidden 
name=sphone_20> <INPUT type=hidden name=semail_20> 

<TABLE style="FONT-SIZE: 9pt; BACKGROUND: #008081; COLOR: black" height=130 
cellSpacing=6 cellPadding=6 width=650 border=2>
  <TBODY>
  <TR>
    <TD align=bottom colSpan=6>
      <CENTER>
      <TABLE style="FONT-SIZE: 9pt; BACKGROUND: #008081; COLOR: black" height=50 
      cellSpacing=0 cellPadding=0 width=650 border=0>
        <TBODY>
        <TR>
          <TD align=bottom colSpan=6>

            <CENTER>
            <TABLE style="FONT-SIZE: 9pt; BACKGROUND: white; COLOR: black" 
            height=50 cellSpacing=1 cellPadding=1 width=650 border=1>
              <TBODY>
              <TR>
                <TD align=bottom colSpan=6>
                  <H2>Student Registration Form</H2>
                  <P>Please choose how many students will be attending below. 
					The name field(s) will automatically be populated with a 
					default value. However, you can still input student names, 
					departments, telephones, and e-mails if you want.</P>
                  <P>Should you need to book more than 20 students on the same 
					course, please contact <B>nobody</B>.
                  <P></P></TD></TR></TBODY></TABLE></CENTER>

        <TR>
          <TD 
          style="FONT-WEIGHT: bold; FONT-SIZE: 9pt; COLOR: #ffffff; BACKGROUND-COLOR: #008081" 
          align=bottom colSpan=6 height=30><BR>
            <H3>Student Information:</H3></TD></TR>
        <TR>
          <TD 
          style="FONT-WEIGHT: bold; FONT-SIZE: 9pt; COLOR: #ffffff; BACKGROUND-COLOR: #008081" 
          vAlign=" middle" align=left colSpan=6>How many students will be 
			attending? <SELECT onchange="reloadfields('studlay')" 
            name=numStudents> <OPTION value="option 1" selected>0<OPTION 
              value="option 1">1<OPTION value="option 2">2<OPTION 
              value="option 3">3<OPTION value="option 4">4<OPTION 
              value="option 5">5<OPTION value="option 5">6<OPTION 
              value="option 5">7<OPTION value="option 5">8<OPTION 
              value="option 5">9<OPTION value="option 5">10<OPTION 
              value="option 5">11<OPTION value="option 5">12<OPTION 
              value="option 5">13<OPTION value="option 5">14<OPTION 
              value="option 5">15<OPTION value="option 5">16<OPTION 
              value="option 5">17<OPTION value="option 5">18<OPTION 
              value="option 5">19<OPTION value="option 5">20</OPTION></SELECT> 
            <FONT color=red>*</FONT></B><BR><BR></TD></TR></TBODY></TABLE>

      <P>Please note that the &quot;Next Page&quot; button, seen after you enter the 
		number of students, is a javascript:sendForm() and is not currently 
		operational. You&#39;ll need to supply a destination.</P></CENTER></TD></TR></TBODY></TABLE></DIV>
<DIV id=studlay 
style="Z-INDEX: 1; WIDTH: 690px; POSITION: relative; HEIGHT: 800px"></DIV></FORM>
</BODY>
	<!--
    	This script downloaded from www.JavaScriptBank.com
    	Come to view and download over 2000+ free javascript at www.JavaScriptBank.com
	-->

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30/01/2007
Eddie Traversa [more]
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JavaScript Dynamique des champs de formulaire

5/5 1 votes / 3,766 previews / 0 commentaire 30/01/2007 J'avais besoin d'un formulaire pour les Ã©tudiants inscrits Ã des cours de formation. Je ne pouvais pas trouver exactem...JavaScript Dynamique des champs de formulaire - Dynamique des champs de formulaire

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