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Multiple values are transferred between modal windows.

Source: Internet
Author: User
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In a web application, how to open a subwindow in a modal window and pass multiple values to the subwindow is acceptable in the subwindow, after modifying these values, can I submit them to the parent window? In codeproject, there is an article about the method, which is described as follows:
1. First create a parent window named parentwebform, and write the following HTML code: 

&lt;!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"&gt;<br>&lt;HTML&gt;<br>    &lt;HEAD&gt;<br>        &lt;title&gt;Parent Webform&lt;/title&gt;<br>        &lt;script language="javascript"&gt;<br>function OpenChild() <br>{<br>    var ParmA = retvalA.value;<br>    var ParmB = retvalB.value;<br>    var ParmC = retvalC.value;<br>    var MyArgs = new Array(ParmA, ParmB, ParmC);<br>    var WinSettings = "center:yes;resizable:no;dialogHeight:300px"<br>    //ALTER BELOW LINE - supply correct URL for Child Form<br>    var MyArgs = window.showModalDialog(<br>   "http://localhost/ModalWin/ChildWebForm.aspx", MyArgs, WinSettings);<br>    if (MyArgs == null)<br>    {<br>        window.alert(<br>          "Nothing returned from child. No changes made to input boxes")<br>    }<br>    else<br>    {<br>        retvalA.value=MyArgs[0].toString();<br>        retvalB.value=MyArgs[1].toString();<br>        retvalC.value=MyArgs[2].toString();<br>    }<br>}<br>        &lt;/script&gt;<br>    &lt;/HEAD&gt;<br>    &lt;body&gt;<br>        &lt;P&gt;&lt;INPUT id="retvalA" type="text" value="AAA"&gt;&lt;/P&gt;<br>        &lt;P&gt;&lt;INPUT id="retvalB" type="text" value="BBB"&gt;&lt;/P&gt;<br>        &lt;P&gt;&lt;INPUT id="retvalC" type="text" value="CCC"&gt;&lt;/P&gt;<br>        &lt;P&gt;&lt;BUTTON onclick="OpenChild()" type="button"&gt;<br>                Open Child Window&lt;/BUTTON&gt;<br>        &lt;/P&gt;<br>    &lt;/body&gt;<br>&lt;/HTML&gt;

2. Create a form named childwebform and write the following HTML code:
<! Doctype HTML public "-// W3C // dtd html 4.0 transitional // en">
<HTML>
<Head>
<Title> child webform </title>
<Script language = "JavaScript">
Function done (){
VaR Parma = tbparama. value;
VaR parmb = tbparamb. value;
VaR parmc = tbparamc. value;
VaR myargs = new array (Parma, parmb, parmc );
Window. returnvalue = myargs;
Window. Close ();
}
Function doinit (){
VaR Parma = "aparm ";
VaR parmb = "bparm ";
VaR parmc = "cparm ";
VaR myargs = new array (Parma, parmb, parmc );
Myargs = Window. dialogarguments;
Tbparama. value = myargs [0]. tostring ();
Tbparamb. value = myargs [1]. tostring ();
Tbparamc. value = myargs [2]. tostring ();
}
</SCRIPT>
</Head>
<Body onload = "doinit ()">
<P> param A: <input id = "tbparama" type = "text"> </P>
<P> param B: <input id = "tbparamb" type = "text"> </P>
<P> param C: <input id = "tbparamc" type = "text"> </P>
<Button onclick = "done ()" type = "button"> OK </button>
</Body>
</Html>


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