revertcard.aspx.cs

用c#实现的BBS论坛。主要提供了三种角色：游客（没有注册的用户）、已经注册的用户和后台管理员。当游客进入论坛之后

using System;
using System.Data;
using System.Data.SqlClient;
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;

public partial class FrontDesk_BrowseCard_RevertCard : System.Web.UI.Page
{
    DataCon sqlCon = new DataCon();
    DataOperate sqlBind = new DataOperate();
    SqlConnection sqlconn;
    protected void Page_Load(object sender, EventArgs e)
    {
        if (Session["Name"] == null)
        {
            Response.Redirect("../Login/Login.aspx");
        }
        else
        {
            dlBind();
            labUserName.Text = Session["Name"].ToString() + "！";
            string idStr = Page.Request.QueryString["CardID"];
            string NameStr = Page.Request.QueryString["CardName"];
            SqlConnection sqlconn = sqlCon.getCon();
            sqlconn.Open();
            string sqlstr = "select a.*,b.ModuleID,b.ModuleName from tb_Card as a "
                   + "join tb_Module as b on a.ModuleID = b.ModuleID where a.CardID = '"
                   + idStr + "'";
            SqlDataAdapter myAdapter = new SqlDataAdapter(sqlstr, sqlconn);
            DataSet myDSCard = new DataSet();
            DataSet myDSModule = new DataSet();
            myAdapter.Fill(myDSCard, "tb_Card");
            myAdapter.Fill(myDSModule, "tb_Module");
            DataRowView rowViewCard = myDSCard.Tables["tb_Card"].DefaultView[0];
            DataRowView rowViewModule = myDSModule.Tables["tb_Module"].DefaultView[0];
            labCardTitle.Text = "帖子标题：" + Convert.ToString(rowViewCard["CardName"]);
            labMod.Text = "所属模块：" + Convert.ToString(rowViewModule["ModuleName"]);
            labID.Text = Convert.ToString(rowViewCard["CardID"]);
            labCardContent.Text = Convert.ToString(rowViewCard["CardContent"]);
            labCardDate.Text = "发帖日期：" + Convert.ToString(rowViewCard["CardDate"]);
            //string sqlstrbind = "select * from CardInfo_View where CardID='" + idStr + "'";
            //sqlBind.dataBind(dlRevertCard, sqlstrbind);
            //sqlconn.Close();
        }
    }
    protected void btnRevert_Click(object sender, EventArgs e)
    { 
        string sqlstr = "insert into tb_RevertCard(CardID,RevertCardContent)"
           + " values('" + labID.Text + "','" + txtRevertContent.Text + "')";
        sqlBind.DataCom(sqlstr);
    }
    public void dlBind()
    {
        string idStr = Page.Request.QueryString["CardID"];
        int curpage = Convert.ToInt32(this.labPage.Text);
        PagedDataSource ps = new PagedDataSource();
        sqlconn = sqlCon.getCon();
        sqlconn.Open();
        string sqlstr = "select * from CardInfo_View where CardID='" + idStr + "'";
        SqlDataAdapter MyAdapter = new SqlDataAdapter(sqlstr, sqlconn);
        DataSet ds = new DataSet();
        MyAdapter.Fill(ds, "tb_Card");
        ps.DataSource = ds.Tables["tb_Card"].DefaultView;
        ps.AllowPaging = true; //是否可以分页
        ps.PageSize = 2; //显示的数量
        ps.CurrentPageIndex = curpage - 1; //取得当前页的页码
        this.lnkbtnUp.Enabled = true;
        this.lnkbtnNext.Enabled = true;
        this.lnkbtnBack.Enabled = true;
        this.lnkbtnOne.Enabled = true;
        if (curpage == 1)
        {
            this.lnkbtnOne.Enabled = false;//不显示第一页按钮
            this.lnkbtnUp.Enabled = false;//不显示上一页按钮
        }
        if (curpage == ps.PageCount)
        {
            this.lnkbtnNext.Enabled = false;//不显示下一页
            this.lnkbtnBack.Enabled = false;//不显示最后一页
        }
        this.labBackPage.Text = Convert.ToString(ps.PageCount);
        this.dlRevertCard.DataSource = ps;
        this.dlRevertCard.DataKeyField = "CardID";
        this.dlRevertCard.DataBind();
    }
    protected void lnkbtnOne_Click(object sender, EventArgs e)
    {
        this.labPage.Text = "1";
        this.dlBind();
    }
    protected void lnkbtnUp_Click(object sender, EventArgs e)
    {
        this.labPage.Text = Convert.ToString(Convert.ToInt32(this.labPage.Text) - 1);
        this.dlBind();
    }
    protected void lnkbtnNext_Click(object sender, EventArgs e)
    {
        this.labPage.Text = Convert.ToString(Convert.ToInt32(this.labPage.Text) + 1);
        this.dlBind();
    }
    protected void lnkbtnBack_Click(object sender, EventArgs e)
    {
        this.labPage.Text = this.labBackPage.Text;
        this.dlBind();
    }
}