asp.net怎么引入js函数

Question

js代码:
     function showmessagebox()
    {
        alert("登陆失败")
 }
引入代码:
 response.Write("<scr")
response.Write("ipt>")
response.Write("showmessagebox()")response.Write("<")
response.Write("/script>")
怎么不行呢?

Answer 1

Response.Write("<script language=javascript>alert('提示：登陆失败');</script>");

Answer 2

string jscript2 = "<script language='javascript'>alert('"+err1+"')</script>";
page.RegisterClientScriptBlock("jscript2", jscript2);

Answer 3

RegisterClientScriptBlock("msg", "<script>alert('sdsd');</script>");