注册alert()脚本

一.RegisterClientScriptBlock   三种用法    
string strJS = "<script type='text/javascript' language='javascript' >";
            strJS = "alert('ssss');";
            strJS += "</script>";
        1  .  Page.RegisterClientScriptBlock("ajs", strJS);
         2 .Page.ClientScript.RegisterClientScriptBlock(this.GetType(), "ajs", strJS);
           3. System.Web.UI.ScriptManager.RegisterClientScriptBlock(this.LinkButtonCreateKelkoo, this.LinkButtonCreateKelkoo.GetType(), "ajs", strJS, true);


   二. Response.Write("<script>alert('感谢您的注册！我们将近快的联系您！ ');window.location.href='../Index.aspx';</script>");

三.

 public void alert(string msg, string key)
    {

        ClientScriptManager csm = Page.ClientScript;
        Type cstype = this.GetType();
        msg = msg.Replace("\"", "\'");
        string script = "<script type=\"text/javascript\">alert(\"" + msg + "\")</script>";
        csm.RegisterStartupScript(cstype, key, script);
    }