■ ASP.NET 상태를 관리하는 방법을 보여준다.
▶ Global.asax.cs
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using System; using System.Web; namespace TestProject { /// <summary> /// 글로벌 /// </summary> public class Global : HttpApplication { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Protected #region 애플리케이션 시작시 처리하기 - Application_Start(sender, e) /// <summary> /// 애플리케이션 시작시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> protected void Application_Start(object sender, EventArgs e) { Application["Now"] = DateTime.Now; } #endregion #region 세션 시작시 처리하기 - Session_Start(sender, e) /// <summary> /// 세션 시작시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> protected void Session_Start(object sender, EventArgs e) { Session["Now"] = DateTime.Now; } #endregion } } |
▶ MainPage.aspx
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<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="MainPage.aspx.cs" Inherits="TestProject.MainPage" %> <!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>ASP.NET 상태 관리하기</title> </head> <body> <form id="form" runat="server"> <div> <h3>서버 저장</h3> Application : <asp:TextBox ID="applicationTextBox" runat="server" /><br /> Session : <asp:TextBox ID="sessionTextBox" runat="server" /><br /> Cache : <asp:TextBox ID="cacheTextBox" runat="server" /><br /> <h3>클라이언트 저장</h3> Cookie : <asp:TextBox ID="cookieTextBox" runat="server" /><br /> ViewState : <asp:TextBox ID="viewStateTextBox" runat="server" /> <hr /> <asp:LinkButton ID="saveButton" runat="server" OnClick="saveButton_Click"> 상태 변수 데이터 저장 </asp:LinkButton> <asp:LinkButton ID="postbackButton" runat="server"> 다시 게시 </asp:LinkButton> </div> </form> </body> </html> |
▶ MainPage.aspx.cs
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using System; using System.Web.UI; namespace TestProject { /// <summary> /// 메인 페이지 /// </summary> public partial class MainPage : Page { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Protected #region 페이지 로드시 처리하기 - Page_Load(sender, e) /// <summary> /// 페이지 로드시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> protected void Page_Load(object sender, EventArgs e) { if(!Page.IsPostBack) { this.applicationTextBox.Text = Application["Now"].ToString(); this.sessionTextBox.Text = Session["Now"].ToString(); if(Cache["Now"] != null) { this.cacheTextBox.Text = Cache["Now"].ToString(); } if(Request.Cookies["Now"] != null) { this.cookieTextBox.Text = Server.UrlDecode(Request.Cookies["Now"].Value); } if(ViewState["Now"] != null) { this.viewStateTextBox.Text = ViewState["Now"].ToString(); } } } #endregion #region 저장 버튼 클릭시 처리하기 - saveButton_Click(sender, e) /// <summary> /// 저장 버튼 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> protected void saveButton_Click(object sender, EventArgs e) { Application["Now"] = this.applicationTextBox.Text; Session["Now"] = this.sessionTextBox.Text; Cache["Now"] = this.cacheTextBox.Text; Response.Cookies["Now"].Value = Server.UrlEncode(this.cookieTextBox.Text); ViewState["Now"] = this.viewStateTextBox.Text; Response.Redirect("StatePage.aspx"); } #endregion } } |
▶ StatePage.aspx
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<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="StatePage.aspx.cs" Inherits="TestProject.StatePage" %> <!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>저장 상태 조회</title> </head> <body> <form id="form" runat="server"> <div> <h3>서버 저장</h3> Application : <asp:TextBox ID="applicationTextBox" runat="server" /><br /> Session : <asp:TextBox ID="sessionTextBox" runat="server" /><br /> Cache : <asp:TextBox ID="cacheTextBox" runat="server" /><br /> <h3>클라이언트 저장</h3> Cookies : <asp:TextBox ID="cookieTextBox" runat="server" /><br /> ViewState : <asp:TextBox ID="viewStateTextBox" runat="server" /> </div> </form> </body> </html> |
▶ StatePage.aspx.cs
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using System; using System.Web.UI; namespace TestProject { /// <summary> /// 상태 페이지 /// </summary> public partial class StatePage : Page { //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Protected #region 페이지 로드시 처리하기 - Page_Load(sender, e) /// <summary> /// 페이지 로드시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> protected void Page_Load(object sender, EventArgs e) { this.applicationTextBox.Text = Application["Now"].ToString(); this.sessionTextBox.Text = Session["Now"].ToString(); if(Cache["Now"] != null) { this.cacheTextBox.Text = Cache["Now"].ToString(); } if(Request.Cookies["Now"] != null) { this.cookieTextBox.Text = Server.UrlDecode(Request.Cookies["Now"].Value); } if(ViewState["Now"] != null) { this.viewStateTextBox.Text = ViewState["Now"].ToString(); } } #endregion } } |
