?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;

public partial class Student_UnitEx_ShowSyntaxExerciseGrade : System.Web.UI.Page
{

    public String[] strAnswer = new String[30];//答案
    public String[] mHead = new String[30];//正確答案
    public String[] mTail = new String[30];//所選答案
    float talGrade = 0.0f;//總得數
　　float synTalGrade = 0.0f;//單項得分
  　float synGrade = 15.0f;//單項總分
    float synG = 0.5f;//單項每題0.5分
    String[] strAn ={ "test1", "test2", "test3", "test4", "test5", "test6", "test7", "test8", "test9", "test10", "test11", "test12", "test13", "test14", "test15", "test16", "test17", "test18", "test19", "test20", "test21", "test22", "test23", "test24", "test25", "test26", "test27", "test28", "test29", "test30"};//索引答案 
    protected void Page_Load(object sender, EventArgs e)
    {
        if (Session["USERSTYLE"] == "STUDENT")
        {
            LabName.Text = "姓名："+Session["USERNAME"].ToString();
        }
        else
        {
            Dialog("對不起，你沒有權限訪問這個頁面！");
            Response.Redirect("~/SystemManage/Login.aspx");
        }

        for (int i = 0; i < 30; i++)
        {
            strAnswer[i] = Session[strAn[i]].ToString();
        }
        String strHard = Request.QueryString["strHard"];
        txtHard.Text = strHard + "級";
        getGrade();
        calGrade();
        perGrade();
    }
    private void Dialog(String Str)
    {
        Response.Write(@"<script type='text/JavaScript'>");
        Response.Write(@"alert('" + Str + "');");
        //Response.Write(@"window.location='./list_logingroup.aspx';");
        Response.Write(@"</script>");
    }

    public void getGrade()
    {
        String[] str = new string[2];
        for (int i = 0; i < strAnswer.Length; i++)
        {
            String[] sArray = strAnswer[i].Split('&');
            int j = 0;
            foreach (string head in sArray)
            {
                str[j] = head.ToString(); j++;
            }
            mHead[i] = str[0];
            mTail[i] = str[1];
            if (mHead[i].Equals(mTail[i]))
            {
                txtEvaluate.Text += strAn[i] + "：正確" + "\r\n";
               
                if (i < 30)
                {
                    synTalGrade += synG;
                }
            }
            else
             txtEvaluate.Text += strAn[i] + "：錯誤" + "\r\n";
            txtAnswer.Text += strAn[i] + "：" + str[0] + "\r\n";
            YourAnswer.Text += strAn[i] + "：" + str[1] + "\r\n";
        }

    }
    
    public void calGrade()
    {
        talGrade =  synTalGrade ;
        txtGrade.Text = String.Format("{0:F1}", talGrade);
    }
    public void perGrade()
    {
     
        PerSyntax.Text = String.Format("{0:F3}", synTalGrade / synGrade);
       
    }
    protected void btnClose_Click(object sender, EventArgs e)
    {
        Response.Write("<script>window.close();</script>");
    }
    protected void BtnReturn_Click(object sender, EventArgs e)
    {
        Response.Redirect("~/SystemManage/Main.aspx");
    }
}