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function addTxtTanto(va){
document.all( "txtTitle ").value=va; //½«ddlÖÐÑ¡ÔñµÄÖµ¸øÎı¾¿ò
document.all( "txtTitle ").select(); //½«ddlÌø×ªµ½Ñ¡ÔñµÄÖµÉÏ
}
function checktitle(){ //¼ì²éÊäÈëµÄÎÄ×ÖÔÚddlÖеÄtextÖµÊÇ·ñ´æÔÚ
var drp = document.all( "DDLTitle "); //¶¨Òåddl
var t=document.all( "txtTitle "); //¶¨Òåtextbox
var j=0; //¼ÆÊý
if(t.value== " "){
}else{
for(var i=0;i <drp.length;i++){
if(t.value==drp.options(i).text){
drp.value=drp.options(i).value;
break;
}else{
j=j+1;
}
}
if(j==drp.length){
t.value= " ";
t.select();
alert( "¥¿¥¤¥È¥ë¤¬´æÔÚ¤·¤Æ¤¤¤Þ¤»¤ó¡£ ");
}
}
}
<div id= "selDiv " style= "Z-INDEX: 100; LEFT: 48px; VISIBILITY: visible; CLIP: rect(0px 110px 80px 92px); POSITION: absolute; TOP: 26px ">
<!--CLIP: rect(0px 110px 80px 92px);½«¸ÃÇøÓòÄÚÈݿٳýµô-->
<asp:dropdownlist id= "DDLTitle " style= "Z-INDEX: -1 " runat= "server " Width= "110 "> </asp:dropdownlist>
</div>
<asp:textbox id= "txtTitle " style= "Z-INDEX: 103; LEFT: 47px; POSITION: absolute; TOP: 26px " runat= "server " Font-Size= "10 " Width= "111 " maxLength= "50 " Height= "22 "> </asp:textbox>
Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
txtTitle.Attributes( "onblur ") = "javascript:checktitle(); "
DDLTitle.Attributes.Add( "Onchange ", "addTxtTanto(this.options[this.selectedIndex].innerText) ")
end sub