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分享<asp:TextBox ID="txt1" onchange="txtchange()" onkeypress="txtchange()" onkeyup="txtchange()"
<input type=text id="txt2
<script>
function txtchange()
{
document.getElementById('txt2').value=document.getElementById('txt1').value;
}function txtchange()
{
var txt1value = document.getElementById('txt1').value;
if(document.getElementById('objScript')) document.body.removeChild(document.getElementById('objScript')));
var objScript = document.createElement('script');
objScript.id = 'objScript';
objScript.language = 'javascript';
objScript.src = 'aaaa.aspx?action=gettxt2&txt1value='+escape(txt1value);
document.body.appendChild(objScript);
}aaaa.aspx?action=gettxt2&txt1value=aaa
Page_Load(..)
{
string action = Request.QueryString["action"];
if(action == "gettxt2")
{
string txt1value=Request.QueryString["txt1value"];
string txt2value=..?//取
Response.Write("document.getElementById('txt2').value='"+txt2value+"';");
Response.End();
}
}