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protected void Page_Load(object sender, EventArgs e)
        {           
            if (Request.Cookies["login"] != null)
            {
                this.Button1.Attributes.Add("onclick", "if(!confirm('ȷʵҪ¶©¹ºÂð£¿'))   return   false;");
            }
        }
protected void Button1_Click(object sender, EventArgs e)
        {
                Response.Write("<script>alert('µ±Ç°¹ºÎï³µÖÐ,ûÓÐÉÌÆ·');</script>");                  
                return;
        }
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protected void Button1_Click(object sender, EventArgs e)
        {
             //Page.RegisterStartupScript("ServiceManHistoryButtonClick", "<script>alert('µ±Ç°¹ºÎï³µÖÐ,ûÓÐÉÌÆ·');</script>");
             //»òÏÂÃæ¶¼¿É,ÉÏÃæµÚÒ»¸ö²ÎÊýËæ±ãÆð,²»ÒªÖظ´.
                Response.Write("<script>alert('µ±Ç°¹ºÎï³µÖÐ,ûÓÐÉÌÆ·');</script>");   
                Response.Write(" <script>document.location=document.location; </script>");


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asp.net·Àsql×¢Èë

 using (con)
        {
            con.Open();
            String sqltext = "select * from emp where empno=@empno";
      ......

asp.net ÔÚǰ̨ºÍºǫ́µ÷Óà javascript º¯Êý

1¡¢Ö±½ÓÔÚǰ̨µ÷Óà javascript º¯Êý
ºÜ¼òµ¥,ÔÚ head ÔªËØÖ®¼ä¼ÓÈë script ÔªËØ,½« type ÔªËØÉèÖÃΪ " text/javascript "
Èç:
<head runat="server">
<mce:script type="text/javascript" ><!--
function ShowName(str)
{
alert("ÄúµÄÃû×ÖΪ:("+str+")");
}
// --></mce:script>
< ......

ASP.NETÓëJavaSrcipt½»»¥ÎÊÌâ

1.ÈçºÎÔÚJavaScript·ÃÎÊC#º¯Êý?
·½·¨Ò»£º1¡¢Ê×ÏȽ¨Á¢Ò»¸ö°´Å¥£¬ÔÚºǫ́½«µ÷Óûò´¦ÀíµÄÄÚÈÝдÈëbutton_clickÖÐ;
          2¡¢ÔÚǰ̨дһ¸öjsº¯Êý£¬ÄÚÈÝΪdocument.getElementById("btn1").click();
          3¡¢ÔÚǰ̨»òºóÌ ......

ASP.NET Çå³ý HTML ±ê¼Çº¯Êý

using System.Text.RegularExpressions;   //ÒýÈëµÄÃüÃû¿Õ¼ä
ÒÔÏÂΪÒýÓõÄÄÚÈÝ£º
//Çå³ýHTMLº¯Êý
    public static string NoHTML(string Htmlstring)
    {
        //ɾ³ý½Å±¾
        Htmlstr ......
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