guestbook.aspx.cs

ajax 三层软件开发实例,三层软件开发实例

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.OleDb;
using Model;
public partial class UI_guestbook : System.Web.UI.Page
{

    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            this.panHead.Attributes.Add("onmousedown", "Mdown()");
            this.panHead.Attributes.Add("onmouseup", "Mup()");
            page();
            
        }

       
    }


    #region 分页
    protected void page()
    {
        PagedDataSource pds=new PagedDataSource ();
        pds.DataSource = (new InterGuestbook()).getListGuestBook();
        pds.AllowPaging = true;
        pds.PageSize = 3;
        lblTotalNum.Text ="/"+pds.PageCount.ToString()+" page";
        pds.CurrentPageIndex = int.Parse (lblCurrent .Text)-1 ;
        lbtnBack.CommandArgument = lblCurrent.Text;

        if (pds.IsFirstPage)
        {
            ibtnPrev.Visible = false ;
            ibtnNext.Visible = true;
        }

        if (pds.IsLastPage)
        {
            ibtnNext.Visible = false;
            ibtnPrev.Visible = true;
        }

        if (pds.IsFirstPage && pds.IsLastPage)
        {
            ibtnNext.Visible = false;
            ibtnPrev.Visible = false;
        }
        if (!pds.IsLastPage && !pds.IsFirstPage)
        {
            ibtnNext.Visible = true;
            ibtnPrev.Visible = true;
        }
        this.dlLy.DataSource = pds;
        this.dlLy.DataBind();

    }
    #endregion

    protected void ibtnNext_Click(object sender, ImageClickEventArgs e)
    {
        lblCurrent.Text = Convert.ToString(int.Parse(lblCurrent.Text) + 1);
        page();
    }

    protected void ibtnPrev_Click(object sender, ImageClickEventArgs e)
    {
        lblCurrent.Text = Convert.ToString(int.Parse(lblCurrent.Text) - 1);
        page();
    }
    /// <summary>
    /// 发送留言
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    protected void btnSend_Click(object sender, EventArgs e)
    {
        
        InterGuestbook addLy = new InterGuestbook();
        string picPath = Request.Form["bookface"].ToString();
        addLy.setGuestBook(txtName.Text, txtEmail.Text, txtCommend.Text, picPath);
        lblCurrent.Text = "1";
        panPage.Visible = true;//显示留言列表
        PanManage.Visible = false;//隐藏单条留言
        panOpenWindow.Visible = false;//隐藏回复留言
        this.lbtnBack.Text  = "留言本";
        page();

    }


/// <summary>
/// 显示单条留言内容
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
    protected void LinkButton1_Command(object sender, CommandEventArgs e)
    {
        if (e.CommandName == "lbtnContent")
        {
            this.panPage .Visible  = false;//隐藏留言列表
            this.PanManage .Visible = true ;//显示单条留言
            this.lbtnBack.Text  = "返回";
            InterGuestbook getLy = new InterGuestbook();
            guestbook[] gb = getLy.only(e.CommandArgument.ToString());
            this.Repeater1.DataSource = gb;
            this.DataBind();
            this.lbtnDel.CommandArgument = e.CommandArgument.ToString();
            this.lbtnRecontent.CommandArgument = e.CommandArgument.ToString();

        }
    }

    /// <summary>
    /// 返回留言列表
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    protected void lbtnBack_Click(object sender, EventArgs e)
    {
        lblCurrent.Text = lbtnBack.CommandArgument;
        this.lbtnBack.Text = "留言本";
        this.panOpenWindow.Visible = false ;
        this.PanManage .Visible = false;
        this.panPage .Visible = true ;
        page();
    }

    /// <summary>
    /// 显示回复留言
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    protected void lbtnRecontent_Click1(object sender, EventArgs e)
    {
        InterGuestbook getLy = new InterGuestbook();
        guestbook[] gb = getLy.only(lbtnRecontent.CommandArgument);
        this.TextBox1.Text = gb[0].Recontent;
        this.panOpenWindow.Visible = true;
    }
    /// <summary>
    /// 发送回复
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    protected void Button1_Click(object sender, EventArgs e)
    { 
        panOpenWindow.Visible = false;
        InterGuestbook igb = new InterGuestbook();
        igb.setReGuestBook(this.TextBox1.Text, lbtnRecontent.CommandArgument);
        bidnRpt();
    }

    /// <summary>
    /// 绑定单条留言内容
    /// </summary>
    private void bidnRpt()
    {
        InterGuestbook getLy = new InterGuestbook();
        guestbook[] gb = getLy.only(lbtnRecontent.CommandArgument);
        this.Repeater1.DataSource = gb;
        this.DataBind(); 
    }
    /// <summary>
    /// 删除留言
    /// </summary>
    /// <param name="sender"></param>
    /// <param name="e"></param>
    protected void lbtnDel_Click(object sender, EventArgs e)
    {
        this.panOpenWindow.Visible = false;
        InterGuestbook delLy = new InterGuestbook();
        if (!delLy.delGuestBook(lbtnDel.CommandArgument))
        {
            ScriptManager.RegisterStartupScript(UpdatePanel1, UpdatePanel1.GetType(), "", "alert('删除失败!');", true);
        }
        else 
        {
            ScriptManager.RegisterStartupScript(UpdatePanel1, UpdatePanel1.GetType(), "", "alert('删除成功!');", true);
            lblCurrent.Text = lbtnBack.CommandArgument;
            this.lbtnBack.Text = "留言本";
            this.PanManage.Visible = false;
            this.panPage.Visible = true;
            page();
        }
    }

}