protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
Labelbanji.Text = BanjiInfo.GetBanjiName(int.Parse(Request.QueryString["banjiid"]));
}
}
protected void BindBanjiStudent()
{
string banjiid = ListBoxbj.SelectedValue;
DataTable dt = BanjiInfo.GetStudentNameAndUsername(int.Parse(banjiid));
ListBox1.DataSource = dt;
ListBox1.DataBind();
}
protected void BindBanji()
{
int kechengid = int.Parse(Session["kechengid"].ToString());
string tu = ((FormsIdentity)HttpContext.Current.User.Identity).Ticket.Name;
DropDownListbj.DataSource = BanjiInfo.GetTeacherRenkeBanji(tu, kechengid);
DropDownListbj.DataBind();
}
protected void BindStu()
{
string banjiid = ListBoxbanji.SelectedValue;
//绑定学生信息
DataTable studt = BanjiInfo.GetStudentNameAndUsername(int.Parse(banjiid));
ListBoxstu.DataSource = studt;
ListBoxstu.DataBind();
}
protected void BindBanji()
{
string tun = ((FormsIdentity)HttpContext.Current.User.Identity).Ticket.Name;
string kechengid = Session["kechengid"].ToString();
DataSet banjidt = BanjiInfo.GetTeacherRenkeBanji(tun, int.Parse(kechengid));
ListBoxbanji.DataSource = banjidt;
ListBoxbanji.DataBind();
}
protected void BindBanji()
{
string kechengid = Session["kechengid"].ToString();
string username = ((FormsIdentity)HttpContext.Current.User.Identity).Ticket.Name;
DataSet ds = BanjiInfo.GetTeacherRenkeBanji(username, int.Parse(kechengid));
DropDownList_banji.DataSource = ds;
DropDownList_banji.DataBind();
}
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
string banjiid = Request.QueryString["banjiid"];
Labelbanji.Text = BanjiInfo.GetBanjiName(int.Parse(banjiid));
BindCeshiChengjiHuizong();
}
}
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
Labelstuusername.Text = Request.QueryString["studentusername"];
Labelbanji.Text = BanjiInfo.GetBanjiName(int.Parse(Request.QueryString["banjiid"]));
Labelxingming.Text = StudentInfo.GetStuXingming(Request.QueryString["studentusername"]);
BindZyoye();
}
}
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
Labelbanji.Text = BanjiInfo.GetBanjiName(int.Parse(Request.QueryString["banjiid"]));
Labelzuoyename.Text = ZuoyeInfo.getZuoyeName(int.Parse(Request.QueryString["zuoyeid"]));
DataTable studt = BanjiInfo.GetStudentNameAndUsername(int.Parse(Request.QueryString["banjiid"]));
ListBox1.DataSource = studt;
ListBox1.DataBind();
}
}
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
string banjiid = Request.QueryString["banjiid"];
string stuun = Request.QueryString["studentusername"];
Labelbj.Text = BanjiInfo.GetBanjiName(int.Parse(banjiid));
Labelxm.Text = StudentInfo.GetStuXingming(stuun);
Labelstuun.Text = stuun;
}
}
protected void Page_Load(object sender, EventArgs e)
{
string kechengid = Session["kechengid"].ToString();
string banjiid = Request.QueryString["banjiid"];
string stuun = Request.QueryString["studentusername"];
Labelkc.Text = KechengInfo.getKechengname(kechengid);
Labelbj.Text = BanjiInfo.GetBanjiName(int.Parse(banjiid));
Labelxm.Text = StudentInfo.GetStuXingming(stuun);
Labelun.Text = stuun;
BindDianMingStu();
}
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
string banjiid = Request.QueryString["banjiid"];
string kechengid = Session["kechengid"].ToString();
Labelbj.Text = BanjiInfo.GetBanjiName(int.Parse(banjiid));
string stuusername = Request.QueryString["studentusername"];
Labelxm.Text = StudentInfo.GetStuXingming(stuusername);
Labelstuun.Text = stuusername;
BindStuCeshiInfo();
}
}
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
if (Request.QueryString["zuoyeid"] != null && Request.QueryString["banjiid"] != null)
{
Labelbanji.Text = BanjiInfo.GetBanjiName(int.Parse(Request.QueryString["banjiid"]));
Labelzuoyename.Text = ZuoyeInfo.getZuoyeName(int.Parse(Request.QueryString["zuoyeid"]));
DataTable dt = ZuoyeInfo.GetQuantiStuZuoyeXinxi(int.Parse(Request.QueryString["banjiid"]), int.Parse(Request.QueryString["zuoyeid"]));
GridView1.DataSource = dt;
GridView1.DataBind();
}
else
{
Response.Redirect("default.aspx");
}
}
}
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
if (Request.QueryString["zuoyeid"] != null && Request.QueryString["banjiid"] != null)
{
Labelbanji.Text = BanjiInfo.GetBanjiName(int.Parse(Request.QueryString["banjiid"]));
Labelzuoyename.Text = ZuoyeInfo.getZuoyeName(int.Parse(Request.QueryString["zuoyeid"]));
BindFenxi();
BindTimu();
Labelsjrs.Text = ZuoyeInfo.GetZuoyeShangjiaoRenShu(int.Parse(Request.QueryString["zuoyeid"]), int.Parse(Request.QueryString["banjiid"])).ToString();
}
else
{
Response.Redirect("default.aspx");
}
}
}
protected void BindBanji()//绑定任课班级
{
int kechengid;
string zuoyeid = Request.QueryString["zuoyeid"];
SqlConnection conn = new SqlConnection();
conn.ConnectionString = ConfigurationManager.ConnectionStrings["kecheng2012ConnectionString"].ConnectionString;
SqlCommand comm = conn.CreateCommand();
comm.CommandText = "select kechengid from teacherzuoye where zuoyeid=" + zuoyeid;
conn.Open();
kechengid = (int)(comm.ExecuteScalar());
conn.Close();
DataSet ds = BanjiInfo.GetTeacherRenkeBanji(((FormsIdentity)HttpContext.Current.User.Identity).Ticket.Name, kechengid);
DropDownList1.DataSource = ds;
DropDownList1.DataTextField = "banjiname";
DropDownList1.DataValueField = "banjiid";
DropDownList1.DataBind();
}
protected void StartNextButton_Click(object sender, EventArgs e)//验证是否有班级、题目，如果有，则跳转到下一步
{
//查询相关知识点、课程有无任课班级、题目
bool banjicunzai = false;
bool timucunzai = false;
string kechengid = Session["kechengid"].ToString();
string username = ((FormsIdentity)HttpContext.Current.User.Identity).Ticket.Name;
string kechengname = KechengInfo.getKechengname(kechengid);
//查询是否有班级
DataSet ds = BanjiInfo.GetTeacherRenkeBanji(username, int.Parse(kechengid));
if (ds.Tables[0].Rows.Count > 0)
{
banjicunzai = true;
}
if (!banjicunzai)
{
ScriptManager.RegisterClientScriptBlock(this, typeof(String), "", "<script language='javascript'>alert('没有找到您任教课程" + kechengname + "的班级，请选择其他班级!');</script>", false);
return;
}
//查询是否有题目
//显示每种题型的数量，选择数量，分值
//获取选择的知识点及其下位知识点
List <string> nodeandchilren = TreeView1.CheckedNodesAndChildrenIds;// 选择的知识点及其子孙知识点id
StringBuilder nodeandchildrenSB = new StringBuilder();
//从题库中查询符合条件的题目
SqlConnection conn = new SqlConnection();
conn.ConnectionString = ConfigurationManager.ConnectionStrings["kecheng2012ConnectionString"].ConnectionString;
SqlCommand comm = conn.CreateCommand();
//建立临时表，记录选择的知识点id号
string temptablename = "#temptable" + username + DateTime.Now.Ticks.ToString();
comm.CommandText = "create table " + temptablename + "(id int)";
conn.Open();
comm.ExecuteNonQuery();
foreach (string nodeid in nodeandchilren)
{
nodeandchildrenSB.Append(nodeid + ",");
comm.CommandText = "insert into " + temptablename + "(id) values(" + int.Parse(nodeid) + ")";
comm.ExecuteNonQuery();
}
//查询符合条件的第一题
comm.CommandText = "select top 1 questionid from tb_tiku where questionid in( select questionid from tb_timuzhishidian where questionid not in ( select questionid from tb_timuzhishidian where kechengjiegouid not in (select id from " + temptablename + ")))";
SqlDataReader sdr = comm.ExecuteReader();
if (sdr.HasRows)
{
timucunzai = true;
}
sdr.Close();
conn.Close();
HiddenFieldnodeandchildren.Value = nodeandchildrenSB.ToString();//把选择的知识点及其下位知识点保存在hiddenfield中,以便以后使用
if (!timucunzai)
{
ScriptManager.RegisterClientScriptBlock(this, typeof(String), "", "<script language='javascript'>alert('没有找到您选择的知识点的题目，请选择其他知识点!');</script>", false);
}
if (banjicunzai && timucunzai)
{
Wizard1.ActiveStepIndex = 1;
}
}
protected void Button2_Click(object sender, EventArgs e)//生成试卷
{
//检查测试名称是否可用
//bool chenggong = true;
int i, j;
int shijuanid = 0;//新试卷id
//string sqltxt="";
string kechengid = Session["kechengid"].ToString();
string username = ((FormsIdentity)HttpContext.Current.User.Identity).Ticket.Name;
string ceshiname = tbx_ceshiname.Text.Trim(); //测试名称
string xianzhiip = Rbl_xianzhiip.SelectedValue; //是否限制IP
string ceshizhishidian = lbl_zhishidian.Text;
if (CheckCeshiName(int.Parse(kechengid), ceshiname, username))//检查测试名称是否可用
{
ScriptManager.RegisterClientScriptBlock(this, typeof(string), "", "<script language='javascript'>alert('您的该课程的该试卷名称已使用，请选择其它名称。');</script>", false);
return;
}
//创建新测试
string zujuanfangshi = lbl_mingtifangshi.Text.Trim();
string ceshibanji = ddl_banji.SelectedItem.Text; //班级名称
string banjiid = ddl_banji.SelectedValue; //班级ID
string xuantifangshi = lbl_mingtifangshi.Text.Trim(); //选题方式，两种+1zhong
int ceshishichang = int.Parse(Ddl_fenzhong.SelectedValue); //测试时长，分钟
string shifouyunxu = Rbl_yunxuceshi.SelectedValue; //是否允许做题
string yunxuchakan = Rbl_yunxuchakan.SelectedValue; //是否允许查看测试结果
string oldshijuanid = Request.QueryString["shijuanid"]; //原试卷id
//DataTable dt = CeshiInfo.GetCeshiTimu(int.Parse(Request.QueryString["shijuanid"]));//原试卷中的题目
DataTable stu = BanjiInfo.GetStudent(int.Parse(banjiid));
DataTable tixingshuliang = new DataTable(); //题型及数量
DataTable timu_fenzhi = new DataTable(); //题目及分值
DataTable Bxtimu = GetBeixuanTimu(oldshijuanid); //备选题目
int bxtimuzongshu = Bxtimu.Rows.Count; //备选题目总数
int yixuantimushu = 0; //已选题目数
int kexuantimushu = 0; //可选题目数
int yingxuantimushu = 0; //应选题目数
//DataTable tixing=
SqlConnection conn = new SqlConnection();
conn.ConnectionString = ConfigurationManager.ConnectionStrings["kecheng2012ConnectionString"].ConnectionString;
SqlCommand comm = conn.CreateCommand();
List <int> tihaolist = new List <int>(); //可选题目在备选题目中的索引
List <int> xuanzetihaolist = new List <int>(); //选择的题号列表
int xuanzetihao; //选择题号
Random rand;
//统计各题型题目数量\分值和出现过的题目，为随机组卷做准备
if (zujuanfangshi == "全体学生不同")
{
tixingshuliang = GetShijuanTixing(oldshijuanid, stu.Rows[0]["username"].ToString());//题型及数量
}
conn.Open();
SqlTransaction st = conn.BeginTransaction();
comm.Transaction = st;
try
{
//第一步，写入教师试卷表,得到试卷id
comm.CommandText = "insert into tb_teachershijuan(teacherusername,ceshiname,kechengid,ceshizhishidian,timelength,manfen,mingtifangshi,yunxuzuoti,ceshibanji,banjiid,yunxuchakan,xianzhiip) values('" + username + "','" + ceshiname + "'," + kechengid + ",'" + lbl_zhishidian.Text + "'," + ceshishichang + ",100,'" + zujuanfangshi + "','" + shifouyunxu + "','" + ceshibanji + "'," + banjiid + ",'" + Rbl_yunxuchakan.SelectedValue + "','" + xianzhiip + "') select @@identity as shijuanid";
shijuanid = Convert.ToInt32(comm.ExecuteScalar()); //
//第二步，写入教师题目表
if (zujuanfangshi == "全体学生相同" || zujuanfangshi == "对学生保密") //根据组卷方式选题，全体学生相同和只组一套卷类似，都是只选一套题
{
comm.CommandText = "insert into tb_teachershijuantimu(questionid,fenzhi,tihao,shijuanid) select questionid,fenzhi,tihao," + shijuanid + " from tb_teachershijuantimu where shijuanid=" + oldshijuanid;
comm.ExecuteNonQuery();
//为学生创建试卷：将试卷信息写入学生试卷表，将题目信息写入学生试卷题目表
foreach (DataRow dr in stu.Rows)
{
//将试卷信息写入学生试卷表
//zujuanxinxiSB.Append("序号：" + stuxuhaoList[i] + ",姓名：" + stuxingmingList[i] + ",学号：" + stuusernameList[i] + ";<br/>");
comm.CommandText = "insert into tb_studentkaoshi(shijuanid,studentusername,zongfen,yunxu,kechengid,banjiid) values(" + shijuanid + ",'" + dr["username"].ToString() + "',0,'" + shifouyunxu + "'," + kechengid + "," + banjiid + ")";
comm.ExecuteNonQuery();
//将题目信息写入学生试卷题目表
comm.CommandText = "insert into tb_studentkaoshiti(questionid,fenzhi,timuhao,shijuanid,studentusername) select questionid,fenzhi,tihao," + shijuanid + ",'" + dr["username"].ToString() + "' from tb_teachershijuantimu where shijuanid=" + oldshijuanid;
comm.ExecuteNonQuery();
}
}
else//全体学生题目不同,不写入教师试卷题目表，只写学生试卷表和学生题目表
{
//写学生试卷表
foreach (DataRow dr in stu.Rows)
{
int tihao = 1;
//将试卷信息写入学生试卷表
//zujuanxinxiSB.Append("序号：" + stuxuhaoList[i] + ",姓名：" + stuxingmingList[i] + ",学号：" + stuusernameList[i] + ";<br/>");
comm.CommandText = "insert into tb_studentkaoshi(shijuanid,studentusername,zongfen,yunxu,kechengid,banjiid) values(" + shijuanid + ",'" + dr["username"].ToString() + "',0,'" + shifouyunxu + "'," + kechengid + "," + banjiid + ")";
comm.ExecuteNonQuery();
//为学生随机组卷，根据每种题型的题目数量，随机生成题目，写入学生考试题目表
foreach (DataRow dr1 in tixingshuliang.Rows)
{
tihaolist.Clear();;
for (i = 0; i < bxtimuzongshu; i++)
{
if (Bxtimu.Rows[i]["type"].ToString() == dr1["type"].ToString())
{
tihaolist.Add(i);
}
}
//随机选题
kexuantimushu = tihaolist.Count;
xuanzetihaolist.Clear();
yixuantimushu = 0;
yingxuantimushu = Convert.ToInt32(dr1[1]);
rand = new Random();
while (yixuantimushu < yingxuantimushu)
{
xuanzetihao = rand.Next(kexuantimushu);
if (!xuanzetihaolist.Contains(xuanzetihao))
{
xuanzetihaolist.Add(xuanzetihao);
yixuantimushu++;
}
}
}
for (i = 0; i < yingxuantimushu; i++)
{
comm.CommandText = "insert into tb_studentkaoshiti(studentusername,shijuanid,questionid,fenzhi,timuhao) values('" + dr["username"].ToString() + "'," + shijuanid + "," + Bxtimu.Rows[tihaolist[xuanzetihaolist[i]]]["questionid"].ToString() + "," + Bxtimu.Rows[tihaolist[xuanzetihaolist[i]]]["fenzhi"].ToString() + "," + tihao.ToString() + ")";
comm.ExecuteNonQuery();
tihao++;
}
}
//统计各题型题目数量
//搜索各题型出现过的题目
//为学生随机组卷
}
st.Commit();
lbl_fankui.Text = "试卷迁移成功！";
ScriptManager.RegisterClientScriptBlock(this, typeof(string), "", "<script language='javascript'>alert('试卷迁移成功！');</script>", false);
}
catch (Exception ex)
{
st.Rollback();
ScriptManager.RegisterClientScriptBlock(this, typeof(string), "", "<script language='javascript'>alert('试卷迁移失败！');</script>", false);
lbl_fankui.Text = ex.Message;
}
finally
{
if (conn.State == ConnectionState.Open)
{
conn.Close();
}
}
//将测试分发给新班级的所有学生
//如果是随机命题，即题目是全体学生不同，则搜集所有学生的题目，再随机组卷，包括统计各题型题目数量
//如果所有学生题目相同，则直接分发即可
}
protected void btn_buzhizuoye_Click(object sender, EventArgs e)//将作业布置给某个班
{
lbl_fankui.Text = "";
string zuoyeid = Request.QueryString["zuoyeid"];
if (ZuoyeInfo.GetTimuCount(zuoyeid) <= 0)//判断作业中有无题目
{
lbl_fankui.Text = "该作业中没有题目，无法布置该作业。";
return;
}
string banjiid = DropDownList1.SelectedValue.Trim();
if (BanjiInfo.GetStudentCount(int.Parse(banjiid)) <= 0)
{
lbl_fankui.Text = DropDownList1.SelectedItem.Text + "班没有学生，无法布置作业。";
return;
}
string shangjiaoqixian = TextBox1.Text;
string yunxu = RadioButtonList1.SelectedValue;
string yunxuchakan = RadioButtonList2.SelectedValue;
string kechengid = ZuoyeInfo.getZuoye_Kechengid(int.Parse(zuoyeid));
DataTable studt = BanjiInfo.GetStudentUserName(int.Parse(banjiid));
DataTable ZuoyeTimuTb = ZuoyeInfo.GetZuoyeTimuIdAndFenzhi(int.Parse(zuoyeid));
SqlConnection conn = new SqlConnection();
conn.ConnectionString = ConfigurationManager.ConnectionStrings["kecheng2012ConnectionString"].ConnectionString;
SqlCommand comm = conn.CreateCommand();
conn.Open();
SqlTransaction st = conn.BeginTransaction();
comm.Transaction = st;
comm.CommandText = "insert into tb_zuoyebuzhi(zuoyeid,banjiid,yunxuzuoti,yunxuchakan,buzhishijian,shangjiaoqixian,teacherusername,shuoming,kechengid) values(@zuoyeid,@banjiid,@yunxuzuoti,@yunxuchakan,@buzhishijian,@shangjiaoqixian,@teacherusername,@shuoming,@kechengid)";
comm.Parameters.AddWithValue("@zuoyeid", zuoyeid);
comm.Parameters.AddWithValue("@banjiid", banjiid);
comm.Parameters.AddWithValue("@yunxuzuoti", yunxu);
comm.Parameters.AddWithValue("@yunxuchakan", yunxuchakan);
comm.Parameters.AddWithValue("@buzhishijian", DateTime.Now);
comm.Parameters.AddWithValue("@shangjiaoqixian", TextBox1.Text);
comm.Parameters.AddWithValue("@teacherusername", ((FormsIdentity)HttpContext.Current.User.Identity).Ticket.Name);
comm.Parameters.AddWithValue("@shuoming", TextBox2.Text);
comm.Parameters.AddWithValue("@kechengid", kechengid);
try
{
comm.ExecuteNonQuery();
//将作业分发给学生,写入学生作业表
//删除以前布置给学生的该作业
//comm.CommandText = "delete from tb_studentzuoye where zuoyeid=@zuoyeid and studentusername in(select studentusername from tb_banjistudent where banjiid=@banjiid)";
//comm.ExecuteNonQuery();
//删除题目
//comm.CommandText = "delete from tb_stuzuoyetimu where zuoyeid=@zuoyeid and studentusername in(select studentusername from tb_banjistudent where banjiid=@banjiid)";
//comm.ExecuteNonQuery();
//写入学生作业表
comm.CommandText = "insert into tb_studentzuoye(zuoyeid,kechengid,studentusername,wancheng,zongfen,buzhishijian,shangjiaoqixian,shuoming,yunxuzuoti,yunxuchakan,teacherusername) values(@zuoyeid,@kechengid,@studentusername,'未完成',0,@buzhishijian,@shangjiaoqixian,@shuoming,@yunxuzuoti,@yunxuchakan,@teacherusername)";
comm.Parameters.Add("@studentusername", SqlDbType.VarChar);
foreach (DataRow sdr in studt.Rows)
{
comm.Parameters[9].Value = sdr[0].ToString();
comm.ExecuteNonQuery();
}
//将题目写入学生作业题目表
comm.Parameters.Clear();
comm.CommandText = "insert into tb_stuzuoyetimu(zuoyeid,studentusername,questionid,defen,fenzhi) values(@zuoyeid,@studentusername,@questionid,0,@fenzhi)";
comm.Parameters.AddWithValue("@zuoyeid", zuoyeid);
comm.Parameters.Add("@studentusername", SqlDbType.VarChar);
comm.Parameters.Add("@questionid", SqlDbType.Int);
comm.Parameters.Add("@fenzhi", SqlDbType.Int);
foreach (DataRow sdr in studt.Rows)
{
comm.Parameters[1].Value = sdr[0].ToString();
foreach (DataRow dr in ZuoyeTimuTb.Rows)
{
comm.Parameters[2].Value = Convert.ToInt32(dr[0]);
comm.Parameters[3].Value = Convert.ToInt32(dr[1]);
comm.ExecuteNonQuery();
}
}
st.Commit();
lbl_fankui.Text = "将作业布置给" + DropDownList1.SelectedItem.Text + ", 成功！";
}
catch
{
st.Rollback();
lbl_fankui.Text = "布置失败！您是否已经给该班布置过该作业？";
}
finally
{
if (conn.State == ConnectionState.Open)
{
conn.Close();
}
}
}
