学生信息管理系统 系统源代码

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1、实用标准文案系统源代码一、登录界面代码usingSystem;usingSystem.Data;usingSystem.Configuration;usingSystem.Collections;usingSystem.Web;usingSystem.Web.Security;usingSystem.Web.UI;usingSystem.Web.UI.WebControls;usingSystem.Web.UI.WebControls.WebParts;usingSystem.Web.UI.HtmlControls;usingSystem.Data

2、.SqlClient;publicpartialclasslogin:System.Web.UI.Page{protectedvoidtxtid_Click(objectsender,EventArgse){txtid.Text="";txtpassword.Text="";}protectedvoidButton1_Click(objectsender,EventArgse){stringstrconn=ConfigurationManager.AppSettings["connStr"];SqlConnectionconn=newSqlConn

3、ection(strconn);conn.Open();DataSetds=newDataSet();SqlDataAdapterda=newSqlDataAdapter("select*fromuserswhereuserid='"+txtid.Text+"'anduserpwd='"+txtpassword.Text+"'",文档实用标准文案conn);da.Fill(ds);if(ds.Tables[0].Rows.Count==0){Label3.Text="账号或密码错误，请重新输入！";}else{Session["userid"]=t

4、xtid.Text;Session["userpwd"]=txtpassword.Text;Session["username"]=ds.Tables[0].Rows[0]["username"].ToString();Session["userpower"]=ds.Tables[0].Rows[0]["userpower"].ToString();if(Session["userpower"].ToString()=="0"){Response.Redirect("admin/index.aspx");}elseif(Session["userp

5、ower"].ToString()=="1"){Response.Redirect("student/index.aspx");}else{Label3.Text="对不起，权限验证失败";}}conn.Close();ds.Clear();}文档实用标准文案}二、添加课程页面代码usingSystem;usingSystem.Data;usingSystem.Configuration;usingSystem.Collections;usingSystem.Web;usingSystem.Web.Security;usingSystem.Web.

6、UI;usingSystem.Web.UI.WebControls;usingSystem.Web.UI.WebControls.WebParts;usingSystem.Web.UI.HtmlControls;usingSystem.Data.SqlClient;publicpartialclassaddcourse:System.Web.UI.Page{SqlCommandmycmd;SqlConnectionconn;protectedvoidPage_Load(objectsender,EventArgse){courseid.Attrib

7、utes.Add("onblur","checkcourseid()");stringstrconn=ConfigurationManager.AppSettings["connStr"];conn=newSqlConnection(strconn);}protectedvoidButton1_Click(objectsender,EventArgse){if(courseid.Text.ToString()==""){文档实用标准文案Label7.Text="课程号不能为空";}else{stringsqlstr="";sqlstr="inser

8、tintocourse(courseid,coursename,coursetime,fen,type,teacher)v