userlogined.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_Login_Logined : System.Web.UI.Page
{
    DataCon myCon = new DataCon();
    DataOperate sqlBind = new DataOperate();
    SqlConnection sqlconn;
    protected void Page_Load(object sender, EventArgs e)
    {
        if (Session["Name"] == null)
        {
            Response.Redirect("Login.aspx");
        }
        else
        {
            labUserName.Text = Session["Name"].ToString() + "！";
            dlBind();
        }
    }
    public void dlBind()
    {
        int curpage = Convert.ToInt32(this.labPage.Text);
        PagedDataSource ps = new PagedDataSource();
        sqlconn = myCon.getCon();
        sqlconn.Open();
        string sqlstr = "select a.*,b.* from tb_Card as a join tb_Module as b on a.ModuleID=b.ModuleID";
        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.dlContent.DataSource = ps;
        this.dlContent.DataKeyField = "CardID";
        this.dlContent.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();
    }
    //计算用户积分
    public int CalculateUserPoint()
    {
        int P_Int_UserPoint;
        sqlconn = myCon.getCon();
        sqlconn.Open();
        string strCount = "select count(*) as id from tb_Card where UserID='" 
            + Session["UserID"].ToString() + "'";
        SqlCommand MyComm = new SqlCommand(strCount, sqlconn);
        SqlDataReader dr = MyComm.ExecuteReader();
        if (dr.Read())
        {
            P_Int_UserPoint = Int32.Parse(dr["id"].ToString());
            string sqlstr = "update tb_User set UserMark='" + P_Int_UserPoint * 2 
                + "' where UserID='" + Session["UserID"].ToString() + "'";
            sqlBind.DataCom(sqlstr);
        }
        else
        {
            P_Int_UserPoint = 0;
        }
        return P_Int_UserPoint;
        sqlconn.Close();
    }
    //根据积分显示用户头衔
    public bool ShowUserRate()
    {
        int P_Int_UserPoint;
        string Selstr = "select * from tb_User where UserID='" 
            + Session["UserID"].ToString() + "'";
        sqlconn = myCon.getCon();
        sqlconn.Open();
        SqlDataAdapter sqlDapter = new SqlDataAdapter(Selstr,sqlconn);
        DataSet myDs = new DataSet();
        sqlDapter.Fill(myDs,"tb_User");
        DataRowView rowView = myDs.Tables["tb_User"].DefaultView[0];
        P_Int_UserPoint = Convert.ToInt32(rowView["UserMark"]);
        //下列语句实现对用户头衔的判断
        if (P_Int_UserPoint <= 10)
        {
            string sqlstr = "update tb_User set MarkID='1' where UserID='" 
                + Session["UserID"].ToString() + "'";
            sqlBind.DataCom(sqlstr);
        }
        if (P_Int_UserPoint > 10 && P_Int_UserPoint <= 20)
        {
            string sqlstr = "update tb_User set MarkID='2' where UserID='" 
                + Session["UserID"].ToString() + "'";
            sqlBind.DataCom(sqlstr);
        }
        if (P_Int_UserPoint > 20 && P_Int_UserPoint <= 30)
        {
            string sqlstr = "update tb_User set MarkID='3' where UserID='" 
                + Session["UserID"].ToString() + "'";
            sqlBind.DataCom(sqlstr);
        }
        if (P_Int_UserPoint > 30 && P_Int_UserPoint <= 50)
        {
            string sqlstr = "update tb_User set MarkID='4' where UserID='"
                + Session["UserID"].ToString() + "'";
            sqlBind.DataCom(sqlstr);
        }
        if (P_Int_UserPoint > 50 && P_Int_UserPoint <= 70)
        {
            string sqlstr = "update tb_User set MarkID='5' where UserID='"
                + Session["UserID"].ToString() + "'";
            sqlBind.DataCom(sqlstr);
        }
        if (P_Int_UserPoint > 70 && P_Int_UserPoint <= 100)
        {
            string sqlstr = "update tb_User set MarkID='6' where UserID='"
                + Session["UserID"].ToString() + "'";
            sqlBind.DataCom(sqlstr);
        }
        if (P_Int_UserPoint > 100 && P_Int_UserPoint <= 120)
        {
            string sqlstr = "update tb_User set MarkID='7' where UserID='"
                + Session["UserID"].ToString() + "'";
            sqlBind.DataCom(sqlstr);
        }
        if (P_Int_UserPoint > 120 && P_Int_UserPoint <= 150)
        {
            string sqlstr = "update tb_User set MarkID='8' where UserID='"
                + Session["UserID"].ToString() + "'";
            sqlBind.DataCom(sqlstr);
        }
        if (P_Int_UserPoint > 150 && P_Int_UserPoint <= 200)
        {
            string sqlstr = "update tb_User set MarkID='9' where UserID='"
                + Session["UserID"].ToString() + "'";
            sqlBind.DataCom(sqlstr);
        }
        if (P_Int_UserPoint > 200 && P_Int_UserPoint <= 250)
        {
            string sqlstr = "update tb_User set MarkID='10' where UserID='"
                + Session["UserID"].ToString() + "'";
            sqlBind.DataCom(sqlstr);
        }
        return true;
        sqlconn.Close();
    }
}