updatetitle.aspx.cs

精通网络应用系统开发 光盘 该书是人民邮电出版社出版的

using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;

public partial class DesktopModules_BBS_UpdateTitle : System.Web.UI.Page
{
    int nTitleID = 0;
    protected void Page_Load(object sender, EventArgs e)
    {   ///获取参数的值
        if (Request.Params["TitleID"] != null)
        {
            nTitleID = Int32.Parse(Request.Params["TitleID"].ToString());
        }
        if (!Page.IsPostBack)
        {
            if (nTitleID > -1) { BindTitleData(nTitleID); }
        }
    }
    private void BindTitleData(int nTitleID)
    {
        //获取主题信息
        TitleM title = new TitleM();
        Title recc = title.GetSingleTitle(nTitleID);
        //绑定到文本框
        if (recc !=null)
        {
            Desn.Text = recc.Desn;
            Body.Text = recc.Body;
        }
    }

    protected void AddBtn_Click(object sender, EventArgs e)
    { 
        ///如果页面输入内容合法
        if (Page.IsValid == true)
        {   ///定义类Title
           TitleM title = new TitleM();
            try
            {   ///修改帖子
                title.UpdateTitle(nTitleID, Desn.Text.Trim(), Body.Text);
                ///显示操作结果信息
                Response.Write("<script>window.alert('"
                + ASPNET35System.OPERATIONUPDATEFAILUREMESSAGE + "')</script>");
            }
            catch (Exception ex)
            {   ///显示操作中的失败、错误信息
                Response.Redirect("~/DesktopModules/ErrorPage.aspx?ErrorUrl="
                    + ASPNET35System.RedirectErrorUrl(Request.RawUrl)
                    + "&ErrorMessage=" + ex.Message.Replace("\n", " "));
            }
        }
    }
    protected void ReturnBtn_Click(object sender, EventArgs e)
    {
        ///返回管理页面
        Response.Redirect("~/DesktopModules/BBS/ BBSTitle.aspx?TitleID="
            + nTitleID.ToString());

    }
}