protected void queryAvgBt_Click(object sender, EventArgs e)
{
foreach (ListItem li in RadioButtonList1.Items)
{
if (li.Selected)
{
foreach (EntityCour c in list)
{
if (c.getCname() == li.Value.ToString())
{
string avgSql = "select sid, cno, avg(grade) from sc_v" + c.getCno();
//Response.Write(avgSql);
DBconnetor conn = new DBconnetor(avgSql);
List <EntityBase> avgList = conn.getList(new EntitySC());
EntitySC sc = (EntitySC)avgList.ElementAt(0);
this.AvgLable.Text = sc.getGrade().ToString();
string maxSql = "select sid, cno, max(grade) from sc_v" + c.getCno();
//Response.Write(maxSql);
DBconnetor conn1 = new DBconnetor(maxSql);
List <EntityBase> maxList = conn1.getList(new EntitySC());
sc = (EntitySC)maxList.ElementAt(0);
this.MaxLable.Text = sc.getGrade().ToString();
string minSql = "select sid, cno, min(grade) from sc_v" + c.getCno();
//Response.Write(minSql);
DBconnetor conn2 = new DBconnetor(minSql);
List <EntityBase> minList = conn2.getList(new EntitySC());
sc = (EntitySC)minList.ElementAt(0);
this.MinLable.Text = sc.getGrade().ToString();
}
}
}
}
}
protected override void Page_Load(object sender, EventArgs e)
{
base.Page_Load(sender, e);
Master.FindControl("NavBar").Visible = true;
Master.FindControl("AdminBar").Visible = false;
string sql = "select c.* from c,sc where sc.cno = c.cno and sid = \"" + Session["ID"] + "\"";
DBconnetor conn = new DBconnetor(sql);
CList = conn.getList(new EntityCour());
if (CList.Count() == 0)
{
Response.Write(sql);
Response.Write("<script>alert('选课记录为空!')</script>");
}
else
{
if (!IsPostBack)
{
foreach (EntityCour c in CList)
{
string s = "select * from sc where cno = \"" + c.getCno() + "\" and sid = \"" + Session["ID"] + "\"";
//Response.Write(s);
DBconnetor cc = new DBconnetor(s);
SClist = cc.getList(new EntitySC());
if (SClist.Count == 0 || SClist == null)
{
this.BulletedList1.Items.Add(c.getCname() + "\t\t\t\t成绩:\t\t\t\t" + "N/A");
}
else
{
EntitySC sc = (EntitySC)SClist.ElementAt(0);
this.BulletedList1.Items.Add(c.getCname() + "\t\t\t\t成绩:\t\t\t\t" + sc.getGrade().ToString());
}
}
}
}
}
