studentinfo.aspx.cs

在线考试系统 主要真对考试 开发的个人项目

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 StudentInfo : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (Session["stuId"] == null)
            Response.Redirect("Default.aspx");
        else
        {
            if (!Page.IsPostBack)
            {
                BindGrid();

                string stuId = Convert.ToString(Session["stuId"]);
                lbl_stuId.Text = stuId;
                string stuName = (new projClass()).getUserName(stuId);
                lbl_stuName.Text = stuName;
                DataSet ds = new DataSet();
                ds = (new projClass()).getCourses();
                foreach (DataRow row in ds.Tables[0].Rows)
                {
                    ddl_course.Items.Add(row["courseName"].ToString());
                }

            }
        }	

    }
    void BindGrid()
    {
        string stuId = Convert.ToString(Session["stuId"]);
        DataSet ds = new DataSet();
        ds = (new projClass()).getStuScore(stuId);
        DataTable dt = ds.Tables["stuInfo"];
        DataView dv = new DataView(dt);
        this.GridView1.DataSource = dv;
        int count = dv.Count;
        if (count == 0)
        {
            lbl_noResult.Visible = true;
            this.GridView1.Visible = false;
        }
        this.GridView1.DataBind();
    }

    protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e)
    {
        this.GridView1.PageIndex = e.NewPageIndex;
        BindGrid();
    }
    
    protected void Button1_Click(object sender, EventArgs e)
    {
        string stuId = Convert.ToString(Session["stuId"]);
        string stuPwd = tbx_oldPwd.Text;
        string newPwd1 = tbx_newPwd1.Text;
        string newPwd2 = tbx_newPwd2.Text;
        if (newPwd1 == "" || newPwd2 == "")
            Response.Write("<script>alert(\"密码不能为空\");</script>");
        else
        {
            int count = (new projClass()).getUser(stuId, stuPwd);
            if (count == 0)
            {
                Response.Write("<script>alert(\"密码错误!请重新输入\");</script>");
            }
            else
            {
                if (!newPwd1.Equals(newPwd2))
                    Response.Write("<script>alert(\"两次密码不一致!请重新输入!\");</script>");
                else
                {
                    int count1 = (new projClass()).updateStuPwd(stuId, newPwd1);
                    if (count1 == 1)
                        Response.Write("<script>alert(\"密码修改成功!\");</script>");
                    else Response.Write("<script>alert(\"更新失败!\");</script>");
                }
            }
        }
    }
    protected void Button2_Click(object sender, EventArgs e)
    {
        Session.RemoveAll();
        Response.Redirect("Default.aspx");
    }
    protected void Button3_Click(object sender, EventArgs e)
    {
        string stuId = Convert.ToString(Session["stuId"]);
        string courseName = ddl_course.SelectedItem.Text.Trim();
        string courseId = (new projClass()).getCourseIdAsCourseName(courseName);
        Session["courseId"] = courseId;
        Page.RegisterStartupScript("ggg", "<script>windowopen2();window.opener=null;window.close()</script>");
      //  Response.Redirect("imitationCreateTest.aspx?" + courseId + "&" + stuId);
    }
    protected void Button4_Click(object sender, EventArgs e)
    {
        string stuId = Convert.ToString(Session["stuId"]);
        string courseName = ddl_course.SelectedItem.Text.Trim();
        string courseId = (new projClass()).getCourseIdAsCourseName(courseName);
        bool ifTest = (new projClass()).getIfTest(courseId);
        if (ifTest)
        {
            int count = (new projClass()).ifCourseHasTest(stuId, courseId);
            if (count == 0)
            {
                Session["courseId"] = courseId;
                Page.RegisterStartupScript("ggg", "<script>windowopen1();;window.opener=null;window.close()</script>");
              //  Response.Redirect("createTest.aspx?" + courseId + "&" + stuId);
            }
            else
                Response.Write("<script>alert(\"该科目您已经考试过了,不能再次考试!\");</script>");
        }
        else Response.Write("<script>alert(\"该科目目前不能考试!请联系管理员开通考试!\");</script>");
    }
}