ASP.NET PlaceHolder, Validator, RequireFieldValidator, CompareVaildator, RangeValidator, CustomValidator
전
후
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Ex21_PlaceHolder.aspx.cs" Inherits="Ex21_PlaceHolder" Trace="true" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<h2>
Ex21_PlaceHolder.aspx</h2>
<br />
<asp:Button ID="Button1" runat="server" onclick="Button1_Click" Text="Button" />
<br />
<h3>
종로<br />
<br />
<br />
을지로<br />
</h3>
<h3>
<asp:PlaceHolder ID="PlaceHolder1" runat="server"></asp:PlaceHolder>
</h3>
<h3>
<br />
동대문<br />
<br />
<br />
이문동<br />
<br />
<br />
</h3>
<br />
<br />
</div>
</form>
</body>
</html>
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
public partial class Ex21_PlaceHolder : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
protected void Button1_Click(object sender, EventArgs e)
{
//플레이스홀더는 렌더링에서 아예빠진다. 자리만 맡아준다.
//자리만 맡아주고 렌더링은 하지 않는다.
//플레이스홀더의 자식형태로 집어넣는것.
Button btn = new Button();
btn.Text = "버스";
//this.Controls.Add(btn);
PlaceHolder1.Controls.Add(btn);
}
}
전
후
속성
소스
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Ex26_CustomValidator.aspx.cs" Inherits="Ex26_CustomValidator" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<script type="text/javascript">
//이미 Check자바스크립트를 사용하기로 했기 때문에
//CustomValidator1가 호출하는 함수
function Check(sender, args) {
//1. 검사할 값 얻어오기
//document.getElementById("TextBox1")
var num = args.Value; //TextBox1의 값
//2. 유효성 검사(내맘대로~)
if (num % 7 == 0)
//통과 - 3. 결과통보
args.IsValid = true;
else
//실패 - 3. 결과통보
args.IsValid = false;
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
Ex26_customValidator.aspx<br />
<br />
숫자입력(7의 배수만 입력)<asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
<asp:CustomValidator ID="CustomValidator1" runat="server"
ClientValidationFunction="Check" ControlToValidate="TextBox1"
ErrorMessage="숫자입력(7의 배수만 입력)"></asp:CustomValidator>
<br />
<br />
<asp:Button ID="Button1" runat="server" Text="Button" />
<br />
<br />
</div>
</form>
</body>
</html>
