autoexercise.aspx.cs

用asp写的程序,在线考试系统,功能齐全,是一个非常好用的系统

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.Drawing;

public partial class Students_autoexercise : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        ScriptManager1.RegisterAsyncPostBackControl(lbCourse);
        if (!Page.IsPostBack)
        {
            //------------------------------------------------------------
            //string strCheck = "exercise";
            //if (Session["checkUser"].ToString() != strCheck.ToString())
            //{
            //    Response.Redirect("login.aspx");
            //}
            //------------------------------------------------------------
            (new ExamOnline.Exam()).bindListBox(lbCourse, "0");
        }
    }
    protected void lbCourse_SelectedIndexChanged(object sender, EventArgs e)
    {
        string strStyleMess = "";
        string cid = lbCourse.SelectedValue.ToString();
        string strcmd = "select distinct s.sname,q.sid from styles s,questions q ";
        strcmd += " where q.cid = '" + cid + "' and audit=1 and s.sid=q.sid order by q.sid asc";
        (new ExamOnline.AutoExercise()).bindGV(gvSytles, strcmd);

        //----------------------------------------------
        //绑定后对gvSytles进行初始化
        if (gvSytles.Rows.Count > 0)
        {
            for (int i = 0; i < gvSytles.Rows.Count; i++)
            {
                //----------------------------------------------------------------
                //CheckBox cb = (CheckBox)gvSytles.Rows[i].FindControl("cbStyle");
                DropDownList ddl = (DropDownList)gvSytles.Rows[i].FindControl("dblLevel");
                TextBox tb = (TextBox)gvSytles.Rows[i].FindControl("tbNum");
                //----------------------------------------------------
                //初始化难度系数
                string strCid = lbCourse.SelectedValue.ToString();
                int intSid = Convert.ToInt32(gvSytles.Rows[i].Cells[2].Text);
                int intQlevel = (new ExamOnline.AutoExercise()).getQlevel(strCid, intSid);
                for (int jloop = 1; jloop <= intQlevel; jloop++)
                {
                    ListItem li = new ListItem(jloop.ToString(), jloop.ToString());
                    ddl.Items.Add(li);
                }
                //------------------------------------------
                //显示题量信息
                int intQNum = (new ExamOnline.AutoExercise()).getQNum(strCid, intSid);
                string strSName = (new ExamOnline.AutoExercise()).getStyleName(intSid);
                strStyleMess += strSName + ":" + intQNum.ToString() + "；";
                //----------------------------------------
                //初始化时设置题型难度和题量的enable为false
                ddl.Enabled = false;
                ddl.BackColor = Color.LightGray;
                tb.Enabled = false;
                tb.BackColor = Color.LightGray;
            }
            lblStyleMess.Text = strStyleMess;
            lblMessage.Text = String.Empty;
        }
        else
        {
            lblStyleMess.Text = "题量为空！";
            lblMessage.Text = "该课程还未配置题型！";
        }
        //更新
        UpdatePanel1.Update();
    }

    protected void cbStyle_CheckedChanged(object sender, EventArgs e)
    {
        int styleNum = 0;
        for (int i = 0; i < gvSytles.Rows.Count; i++)
        {
            CheckBox cb = (CheckBox)gvSytles.Rows[i].FindControl("cbStyle");
            DropDownList ddl = (DropDownList)gvSytles.Rows[i].FindControl("dblLevel");
            TextBox tb = (TextBox)gvSytles.Rows[i].FindControl("tbNum");
            if (cb.Checked == true)
            {
                ddl.Enabled = true;
                ddl.BackColor = Color.White;
                tb.Enabled = true;
                tb.BackColor = Color.White;
                styleNum += 1;
            }
            else
            {
                ddl.Enabled = false;
                ddl.BackColor = Color.LightGray;
                tb.Enabled = false;
                tb.BackColor = Color.LightGray;
            }
        }

        ViewState["styleNum"] = styleNum;   //保存题型个数
    }

    protected void btnExercise_Click(object sender, EventArgs e)
    {
        string strPassMessage = "";
        int styleNum = Convert.ToInt32(ViewState["styleNum"]);
        if (lblMessage.Text == String.Empty)
        {
            if (styleNum != 0)
            {
                for (int i = 0; i < gvSytles.Rows.Count; i++)
                {
                    CheckBox cb = (CheckBox)gvSytles.Rows[i].FindControl("cbStyle");
                    if (cb.Checked == true)
                    {
                        DropDownList ddl = (DropDownList)gvSytles.Rows[i].FindControl("dblLevel");
                        TextBox tb = (TextBox)gvSytles.Rows[i].FindControl("tbNum");
                        if (!ExamOnline.Common.regMatchNum(tb.Text.ToString()))
                        {
                            ExamOnline.Common.ShowMess("题型代号为【" + Convert.ToInt32(gvSytles.Rows[i].Cells[2].Text) + "】的题量范围请输入数字【0～999】");
                            return;
                        }
                        else  //输入格式为正确的数字
                        {
                            string strCid = lbCourse.SelectedValue.ToString();
                            int intSid = Convert.ToInt32(gvSytles.Rows[i].Cells[2].Text);
                            int intQNum = (new ExamOnline.AutoExercise()).getQNum(strCid, intSid);
                            if (Convert.ToInt32(tb.Text) > intQNum)
                            {
                                ExamOnline.Common.ShowMess("题型代号为【"+intSid+"】的自定义题量超出题库题量！");
                                return;
                            }
                            else   //所输入的题量也在题库的范围内
                            {
                                //TODO
                                if(strPassMessage == String.Empty)
                                    strPassMessage = intSid.ToString() + "/" + Convert.ToInt32(ddl.SelectedValue) + "/" + tb.Text.ToString();
                                else
                                    strPassMessage += "^" + intSid.ToString() + "/" + Convert.ToInt32(ddl.SelectedValue) + "/" + tb.Text.ToString();
                            }
                        }
                    }
                }
                Response.Redirect("autopage.aspx?PassMessage=" + strPassMessage + "&cid=" + lbCourse.SelectedValue.ToString());
            }
            else
            {
                ExamOnline.Common.ShowMess("你未配置组卷参数！");
                return;
            }
        }
        else
        {
            ExamOnline.Common.ShowMess("该课程还未配置题型！");
            return;
        }
    }
}