資源簡介
一個簡單的選課系統,可以實現教師、學生和管理員的三級管理

代碼片段和文件信息
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.Data.SqlClient;
public?partial?class?adminCourse?:?System.Web.UI.Page
{
????protected?void?Page_Load(object?sender?EventArgs?e)
????{
????????if?(!this.IsPostBack)
????????{
????????????ddlBind();
????????????CourceDetailsShow();
????????}
????}
????private?void?ddlBind()
????{
????????string?connStr?=?ConfigurationManager.ConnectionStrings[“ConnectionString“].ConnectionString;???//取出連接字符串
????????string?SqlStr?=?“SELECT?teaIDteaName?from?Teacher“;
????????DataSet?ds?=?new?DataSet();
????????SqlConnection?conn?=?new?SqlConnection(connStr);????//創建連接對象
????????if?(conn.State.ToString()?==?“Closed“)??????????????//如果連接關閉打開
????????????conn.Open();
????????SqlDataAdapter?da?=?new?SqlDataAdapter(SqlStr?conn);
????????da.Fill(ds);????????????????????????????????????????//從數據庫中取數據放到DataSet數據集中
????????if?(conn.State.ToString()?==?“Open“)
????????????conn.Close();
????????ddlTeacherName.DataSource?=?ds.Tables[0].DefaultView;
????????ddlTeacherName.DataTextField?=?“teaName“;?????????????//下拉列表框每項顯示教師姓名
????????ddlTeacherName.DataValueField?=?“teaID“;??????????????//下拉列表框每項的值為教師編號
????????ddlTeacherName.DataBind();????????
????}
????private?void?CourceDetailsShow()
????{
????????string?connStr?=?ConfigurationManager.ConnectionStrings[“ConnectionString“].ConnectionString;???//取出連接字符串
????????string?SqlStr?=?“SELECT?Cource.*Teacher.teaName?from?CourceTeacher?where?Cource.teaID=Teacher.teaID?and?Cource.courceID=‘“?+?Request[“courceID“].ToString()?+?“‘?and?Cource.teaID=‘“?+?Request[“teaID“].ToString()?+?“‘“;
????????SqlConnection?conn?=?new?SqlConnection(connStr);????//創建連接對象
????????try
????????{
????????????if?(conn.State.ToString()?==?“Closed“)??????????//連接如果關閉,打開
????????????????conn.Open();
????????????SqlCommand?cmd?=?new?SqlCommand(SqlStr?conn);
????????????SqlDataReader?sdr?=?cmd.ExecuteReader();
????????????if?(sdr.Read())
????????????{
????????????????courceName.Text?=?sdr[“courceName“].ToString();
????????????????txtName.Text?=?sdr[“courceName“].ToString();
????????????????ddlTeacherName.SelectedItem.Text?=?sdr[“teaName“].ToString();
????????????????txtTime.Text?=?sdr[“courceTime“].ToString();
????????????????txtAddress.Text?=?sdr[“courceAddress“].ToString();
????????????????txtDetails.Text?=?sdr[“courceInfo“].ToString();
????????????}
????????????else
????????????{
????????????????Response.Write(“數據庫錯誤,沒查詢到該門課程!“);
????????????????Response.End();
????????????}
????????}
????????catch?(Exception?ex)????????????????????????????????//異常處理
????????{
????????????Response.Write(“數據庫錯誤,錯誤原因:“?+?ex.Message);
????????????Response.End();
????????}
????????finally
????????{
????????????if?(conn.State.To
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件????????2330??2007-03-05?17:25??MyElectCourse\adminCourse.aspx
?????文件????????4908??2007-03-05?17:25??MyElectCourse\adminCourse.aspx.cs
?????文件????????9713??2007-03-05?17:25??MyElectCourse\adminCourseDetails.aspx
?????文件????????8518??2007-03-05?17:25??MyElectCourse\adminCourseDetails.aspx.cs
?????文件????????3516??2007-03-05?17:25??MyElectCourse\adminStudentAdd.aspx
?????文件????????2607??2007-03-05?17:25??MyElectCourse\adminStudentAdd.aspx.cs
?????文件????????4824??2007-03-05?17:25??MyElectCourse\adminStudentDetails.aspx
?????文件????????7906??2008-04-14?15:06??MyElectCourse\adminStudentDetails.aspx.cs
?????文件????????3574??2007-03-05?17:25??MyElectCourse\adminStudentScore.aspx
?????文件????????8329??2007-03-05?17:25??MyElectCourse\adminStudentScore.aspx.cs
?????文件????????2227??2007-03-05?17:25??MyElectCourse\adminTeacherAdd.aspx
?????文件????????2420??2007-03-05?17:25??MyElectCourse\adminTeacherAdd.aspx.cs
?????文件????????3328??2007-03-05?17:25??MyElectCourse\adminTeacherDetails.aspx
?????文件????????5711??2007-03-05?17:25??MyElectCourse\adminTeacherDetails.aspx.cs
?????目錄???????????0??2018-08-11?21:16??MyElectCourse\App_Data\
?????文件????10485760??2007-03-05?17:25??MyElectCourse\App_Data\ASPNETDB.MDF
?????文件??????516096??2007-03-05?17:25??MyElectCourse\App_Data\aspnetdb_log.ldf
?????目錄???????????0??2018-08-11?21:16??MyElectCourse\Controls\
?????文件????????2224??2007-03-05?17:25??MyElectCourse\Controls\left.ascx
?????文件?????????534??2007-03-05?17:25??MyElectCourse\Controls\left.ascx.cs
?????文件????????1977??2007-03-05?17:25??MyElectCourse\courseDetail.aspx
?????文件????????2461??2007-03-05?17:25??MyElectCourse\courseDetail.aspx.cs
?????目錄???????????0??2018-08-11?21:16??MyElectCourse\DB_51aspx\
?????文件?????3145728??2008-04-14?15:13??MyElectCourse\DB_51aspx\ElectClass.mdf
?????文件?????1048576??2008-04-14?15:13??MyElectCourse\DB_51aspx\ElectClass_log.ldf
?????文件????????4945??2007-07-18?09:38??MyElectCourse\from.gif
?????目錄???????????0??2018-08-11?21:16??MyElectCourse\Images\
?????文件????????1265??2007-03-05?17:25??MyElectCourse\Images\ADD.GIF
?????文件????????1056??2007-03-05?17:25??MyElectCourse\Images\Close.GIF
?????文件?????????505??2007-03-05?17:25??MyElectCourse\Images\CONFIRM.GIF
?????文件????????1584??2007-03-05?17:25??MyElectCourse\Images\FangKuai.gif
............此處省略26個文件信息
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