scoretj.aspx.cs

小型物理试验管理系统Management system for small-scale physical experiments

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.SqlClient;

public partial class ScoreTJ : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        Label1.Text = Session["uid"].ToString() + "，欢迎您来到成绩统计系统! ";
        GridViewBind();
        Label3.Text = Session["ename"].ToString();
        Label4.Text = Session["enumber"].ToString();
        SqlConnection myconnection = new SqlConnection(ConfigurationManager.AppSettings["ConnectionString"]);
        DBConnection conn = new DBConnection();
        //总人数
        string sql = "select count(*) from xuanke where enumber = '" + Session["enumber"] + "'";
        SqlDataReader recm = conn.ExecuteReader(sql);
        recm.Read();
        string total = recm[0].ToString();
        int t = Convert.ToInt32(total);
        recm.Close();
        //及格人数
        sql = "select count(*) from xuanke where enumber = '" + Session["enumber"] + "'and sscore >= 60";
        recm = conn.ExecuteReader(sql);
        recm.Read();
        string passed = recm[0].ToString();
        Label7.Text = passed;
        int p = Convert.ToInt32(passed);
        float a = p * 100 / t;
        Label8.Text = a.ToString() + "%";
        recm.Close();
        //不及格人数
        sql = "select count(*) from xuanke where enumber = '" + Session["enumber"] + "'and sscore < 60";
        recm = conn.ExecuteReader(sql);
        recm.Read();
        string failed = recm[0].ToString();
        Label9.Text = failed;
        int f = Convert.ToInt32(failed);
        float b = f * 100 / t;
        Label10.Text = b.ToString() + "%";
        recm.Close();
        //总分
        sql = "select sum(sscore) from xuanke where enumber = '" + Session["enumber"] + "'";
        recm = conn.ExecuteReader(sql);
        recm.Read();
        string sum = recm[0].ToString();
        Label5.Text = sum;
        recm.Close();
        //平均分
        sql = "select avg(sscore) from xuanke where enumber = '" + Session["enumber"] + "'";
        recm = conn.ExecuteReader(sql);
        recm.Read();
        string avg = recm[0].ToString();
        Label6.Text = avg;
        



    }
    private void GridViewBind()
    {        
        string myConnectionString = "server=localhost;uid=sa;pwd=;database = WXJ;";
        SqlConnection myConnection = new SqlConnection();
        myConnection.ConnectionString = myConnectionString;
        string cmdString = "select snumber,enumber,ename,echarger,sscore from xuanke where enumber = '" + Session["enumber"] + "' order by sscore";
        SqlDataAdapter myAdapter = new SqlDataAdapter(cmdString, myConnection);
        myConnection.Open();
        DataSet mySet = new DataSet();
        myAdapter.Fill(mySet);
        myGridView.DataSource = mySet;
        myGridView.DataBind();
        myConnection.Close();
    }

    protected void PageCut_Click(object sender, EventArgs e)
    {

    }
}