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Multiple-selection list box dynamic Add, move, delete, select all the simple examples of operations

Source: Internet
Author: User
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  This article is mainly on the multiple-selection list box dynamic Add, move, delete, select all the simple examples of the operation of the introduction, the need for friends can come to the reference, I hope to help you.

  Code as follows: <% Dim a = Split (Request.Form ("SourceList"), ",") Response.Write "Source:" & Request.Form ("Sourcelis T ") & UBound (a) &" <br>object: "& Request.Form (" ObjectList ") &" <br> "%> <html> < head> <meta http-equiv= "Content-type" content= "text/html"; charset=gb2312 "> <title>untitled document</title> <style type=text/css>. bgsubleft { Background-position:center Bottom; Background-image:url (images/bgleft.gif); Background-repeat:repeat-x}. bgsubleftn {Background-position:left bottom; Background-image:url (images/bgleftn.gif); Background-repeat:no-repeat} </STYLE> <script language= "JavaScript" type= "Text/javascript" > function Addselectedlist () {var objsource = form1.sourcelist; var objobject = form1.objectlist; var sourcelen = objsource.length; for (Var i=0;i<sourcelen;i++) {    if (objsource.options[i].selected) {      if (!checkexist) ( Objobject,objsource.options[i].Value) {        addtolist (objobject,objsource.options[i].text,objsource.options[i].value);      }    }}}   function addalllist () {var objsource = form1.sourcelist; var objobject = Form1.objectlist; var sourcelen = objsource.length; for (Var i=0;i<sourcelen;i++) {    if (!checkexist (Objobject,objsource.options[i].value)) {    & nbsp Addtolist (Objobject,objsource.options[i].text,objsource.options[i].value);    }}   function Removeselectedlist (noremovevalue) {var objobject = form1.objectlist; for (Var i=0;i&l t;objobject.length;i++) {    if (objobject.options[i].selected && objobject.options[i].value!= Noremovevalue)     {      objObject.options.remove (i);       Removelist (noremove Value);    }}   function Removealllist (noremovevalue) {var objobject = form1.objectlist; var Objlen = Objobjec T.length; For (Vari=0;i<objlen;i++) {    if (objobject.options[i].value!= noremovevalue) {      objobject.opt Ions.remove (i);       removealllist (noremovevalue);    }}   function Selectedall (obj) {for (Var i=0;i<obj.length;i++) {    Obj.options[i].sel Ected = true; } function Checkexist (obj,value) {var isexist = false; for (Var i=0;i<obj.length;i++) {    if (obj.options [I].value = = value] {      isexist = true;       break;    }} return isexist; function Addtolist (Obj,value,label) {Obj.add (new Option (Value,label));} </script> </head>   < Body bgcolor= "#FFFFFF" > <form name= "Form1" action= "temp.asp" method= "POST" > <table width= "$" border= "0" cellspacing= "0" cellpadding= "0" > <tr>     <td><select name= "sourceList" size= "ten" multiple Id= "SourceList" style= "width:150" >       <option value= "A" >1</option>       <option value= "B" >2</option>       <option Value= "C" >3</option>       <%       for i = 6 to/        Response.Write ("<option value=" "& i+200 &" ">" & i+200 & "</option>" & vbCrLf)   & nbsp   Next      %>     </select></td>     <td><input name= "ad D "type=" button "id=" Add "value=" Add "onclick=" Addselectedlist () "style=" width:100 "><br>       <input name= "Add" type= "button" id= "Add" value= "Add All" onclick= "addalllist ()" style= "width:100" ><br>        <input name= "Add" type= "button" id= "Add" value= "Remove" onclick= "removeselectedlist (' a ') "Style=" width:100 "><br>     <input name=" Add "type=" button "id=" Add "value=" Remove All "onclick=" Removealllist (' a ') "style=" width:100 ">     <input name= "Add" type= "button" id= "Add" value= "Select All" onclick= "Selectedall (form1.objectlist ) "style=" width:100 "></td>     <td><select name=" objectList "size=" "Multiple id=" ObjectList "style=" width:150 ">       <option value=" a ">1</option>       <option value= "D" >4</option>       <option value= "E" >5</option>     & nbsp <%       for i = 6 to         Response.Write ("<option value=" "" & I & "" ">" & I & "</option>" & vbCrLf)       Next      %>     </select></td> </tr> <tr>     <td></td>     <td>< Input name= "SUBM" type= "Submit" value= "Submit" style= "width:100" ></td>     <td> </td> </tr> </table> </form> </body> </html>

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