addnews.aspx.cs

牛腩新闻发布系统,采用三成架构

/*
 * 创建人：牛腩
 * 创建时间：2008-11-29 16:18:07
*/
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using BLL;
using Model;
using System.Data;

public partial class admin_addnews : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        // 判断session里面是否存在管理员
        if (Session["admin"] != null && Session["admin"].ToString() == "niunan")
        {
            // 已登陆
            if (!Page.IsPostBack)
            {
                // 绑定新闻分类
                DataTable dt = new CategoryManager().SelectAll();
                ddlCategory.DataSource = dt;
                ddlCategory.DataTextField = "name";
                ddlCategory.DataValueField = "id";
                ddlCategory.DataBind();
            }
        }
        else
        {
            // 未登陆
            Response.Redirect("login.aspx");
        }
    }

    //添加新闻按钮
    protected void btnAdd_Click(object sender, EventArgs e)
    {
        string title = txtTitle.Text.Trim();
        string content = ftbContent.Text.Trim();
        string caid = ddlCategory.SelectedValue;

        News n = new News(title, content, caid);

        bool b = new NewsManager().Insert(n);

        if (b)
        {
            Page.ClientScript.RegisterStartupScript(Page.GetType(), "message", "<script language='javascript' defer>alert('新闻添加成功！');</script>");
        }
        else
        {
            Page.ClientScript.RegisterStartupScript(Page.GetType(), "message", "<script language='javascript' defer>alert('新闻添加失败，请联系管理员！');</script>");
        }

        // 清空标题和内容
        txtTitle.Text = "";
        ftbContent.Text = "";
    }
}