editavatar.cs

这是一个简单的论坛程序源码

using System;
using System.Collections;
using System.Collections.Specialized;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using NetFocus.Web.Core;

namespace NetFocus.Web.Applications.Forum 
{
    [ParseChildren(true)]
    public class EditAvatar : UserControl
    {
        #region Member variables

        protected FileUpload avatarUpload;
        protected IButton saveButton;
        protected IButton deleteButton;
        private ForumUser user;
        private WebContext context = WebContext.Current;

        #endregion

        public EditAvatar() : base()
        {
            user = context.User;
            if (user.IsAnonymous)
            {
                Context.Response.Redirect(SiteUrls.Instance().Login);
            }
        }

        protected override void OnLoad(EventArgs e)
        {
            if (saveButton != null)
            {
                saveButton.Click += new EventHandler(SaveButton_Click);
            }
            if (deleteButton != null)
            {
                deleteButton.Click += new EventHandler(DeleteButton_Click);
            }
        }

        public void DeleteButton_Click(object sender, EventArgs e)
        {
            BusinessManager.SetUserDefaultAvatar(user);
        }

        public void SaveButton_Click(object sender, EventArgs e)
        {
            if (!string.IsNullOrEmpty(avatarUpload.PostedFile.FileName))
            {
                BusinessManager.UpdateUserAvatar(user, avatarUpload.PostedFile);
            }
        }
    }
}