protected void btnLogin_Click(object sender, EventArgs e) { SqlDataReader sr = uf.login(userName); if (sr.Read()) { Page.ClientScript.RegisterStartupScript( this.GetType(), "myscript123", "<script type=\"text/javascript\">function ShowAlert(){alert('用户名已被注册');}window.onload=ShowAlert;</script>"); } else { int count = uf.register(userName, db.GetMD5(userPwd), email, phone); if (count != 0) { // Page.ClientScript.RegisterStartupScript( this.GetType(), "myscript12345", "<script>alert('恭喜你注册成功!');window.location.href='new.aspx'</script>"); // Page.ClientScript.RegisterStartupScript("false", "<script>alert('提示消息');window.location.href='new.aspx'</script>"); // Response.Redirect("login.aspx", false); Response.Write("<script>alert('恭喜你注册成功');window.location.href='login.aspx'</script>"); } else { Response.Redirect("register.aspx", false); } } }