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function ShowName(str) 

alert("ÄúµÄÃû×ÖΪ:("+str+")"); 

</script> 
<title>using javascript</title> 
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<head runat="server"> 
<script type="text/javascript" src="JScript.js"> 
</script> 
<title>using javascript</title> 
</head>
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<asp:Button ID="Button1" runat="server" Text="Button"
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//<script> src ="JScript.js" type="text/javascript"><script> 
Page.ClientScript.RegisterClientScriptInclude("myKey", myscript); 
//ͬÉÏ 
Button1.Attributes.Add("onclick", "showname1(123)");  
 
onclientclick="ShowName('XXX')" /> 
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