ASP.NETはログインユーザ名の具体的な実装を記憶する

 
  
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    protected void Page_Load(object sender, EventArgs e) 
  
    { 
  
        if (!IsPostBack) 
  
        { 
  
            this.txtUser_Id.Focus(); 
  
            if (!Object.Equals(Request.Cookies["UserID"], null)) 
  
            { 
  
                //    Cookie  ，        
  
                HttpCookie readcookie = Request.Cookies["UserID"]; 
  
                this.txtUser_Id.Text = readcookie.Value; 
  
            } 
  
        } 
  
    } 
  
    private void CreateCookie() 
  
    { 
  
        //    Cookie   
  
        HttpCookie cookie = new HttpCookie("UserID"); 
  
        //  Checkbox        
  
        if (this.cbxRemeberUser.Checked) 
  
        { 
  
            //           Cookie    
  
            cookie.Value = this.txtUser_Id.Text; 
  
        } 
  
        //     Cookie        
  
        cookie.Expires = DateTime.MaxValue; 
  
        //    Cookie       Cookie    
  
        Response.AppendCookie(cookie); 
  
} 
   
  
    protected void btnInsert_Click(object sender, ImageClickEventArgs e)
    {
…
        if (object.Equals(Request.Cookies["UserID"], null))
        {
          //        CreateCookie()     
          CreateCookie();
        }
        else
        {
           CreateCookie();
        }
…
}