学生信息管理系统-系统源代码

1、系统源代码一、登录界面代码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

2、partial class login : system.web.ui.pageprotected void txtid_click(object sender, eventargs e)txtid.text =;txtpassword.text =;protected void button1_click(object sender, eventargs e)string strconn = configurationmanager.appsettingsconnstr;sqlconnection conn = new sqlconnection(strconn);conn.open();d

3、ataset ds=new dataset ();sqldataadapter da = new sqldataadapter(select * from users where userid= +txtid.text+ and userpwd= + txtpassword.text + , conn);da.fill(ds);if (ds.tables0.rows.count=0)label3 .text =账号或密码错误，请重新输入！;elsesession userid=txtid .text ;sessionuserpwd = txtpassword.text;sessionusern

4、ame = ds.tables0.rows0username.tostring();sessionuserpowe门=ds.tables0.rows0userpower.tostring();if (sessionuserpower.tostring () = 0)response.redirect(admin/index.aspx);else if (sessionuserpower.tostring() = 1)response.redirect(student/index.aspx);elselabel3.text = 对不起，权限验证失败;conn.close();ds.clear (

5、);二、添加课程页面代码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 p

6、artial class addcourse : system.web.ui.pagesqlcommand mycmd;sqlconnection conn;protected void page_load(object sender, eventargs e)courseid.attributes.add(onblur, checkcourseid();string strconn = configurationmanager.appsettingsconnstr;conn = new sqlconnection(strconn);protected void button1_click(o

7、bject sender, eventargs e)if (courseid.text.tostring()=)label7.text =课程号不能为空;elsestring sqlstr =;sqlstr = insert intocourse(courseid,coursename,coursetime,fen,type,teacher)values( + courseid.text + , + coursename.text + , + coursetime.text + , + fen.text + , + type.text + ,+teacher.text + );conn.ope

8、n();mycmd = new sqlcommand(sqlstr, conn);mycmd.dispose();try mycmd.executenonquery(); response.write(javascript:alert(添力口成功！!););catch (sqlexception) response.write(javascript:alert(添加失败!);); finally conn.close(); sqlstr =;protected void button2_click(object sender, eventargs e)courseid.text =;cours

9、ename.text =;coursetime.text =;fen.text =;type.text =protected void button3_click(object sender, eventargs e)response.redirect(course.aspx);三、添加成绩程序代码using system;using system.data;using system.configuration;using system.collections;using system.web;using system.web.security;using system.web.ui;usin

10、g system.web.ui.webcontrols;using system.web.ui.webcontrols.webparts;using system.web.ui.htmlcontrols;using system.data.sqlclient;public partial class addscore : system.web.ui.pagesqlcommand mycmd;sqlconnection conn;protected void page_load(object sender, eventargs e)string strconn = configurationma

11、nager.appsettingsconnstr;conn = new sqlconnection(strconn);protected void button1_click(object sender, eventargs e)if (userid.selectedvalue .tostring ()=)labelll.text = 学号不能为空;elsestring sqlstr =;sqlstr = insert intoscore(userid,username,courseid,coursename,score,year)values( + userid.selectedvalue

12、+, + username.text + , + txtcourseid.selectedvalue + , + coursename.text + , + score.text + , + txtyear.selectedvalue + );conn.open();mycmd = new sqlcommand(sqlstr, conn);mycmd.dispose();trymycmd.executenonquery();response.write(javascript:alert(添力口成功！!););catch (sqlexception)response.write(javascri

13、pt:alert(添力口失败！!););finallyconn.close();sqlstr =;protected void button2_click(object sender, eventargs e)username.text =;coursename.text =;score.text =;txtyear.text =;protected void button3_click(object sender, eventargs e)response.redirect(score.aspx);protected void userid_selectedindexchanged(obje

14、ct sender, eventargs e)string sqlstr =;sqlstr = select username from students where userid= + userid.selectedvalue + ; ;conn.open();mycmd = new sqlcommand(sqlstr, conn);mycmd.dispose();sqldatareader da;da = mycmd.executereader();while (da.read()username.text = dausername.tostring();protected void tx

15、tcourseid_selectedindexchanged(object sender, eventargs e)string sqlstr =;sqlstr = select coursename from course where courseid= +txtcourseid.selectedvalue + ;conn.open();mycmd = new sqlcommand(sqlstr, conn);mycmd.dispose();sqldatareader da;da = mycmd.executereader();while (da.read()coursename.text

16、= dacoursename.tostring();四、添加学生程序代码using system;using system.。using system.text;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.

17、web.ui.htmlcontrols;using system.data.sqlclient;public partial class addstudent : system.web.ui.pagesqlcommand mycmd;protected void page_load(object sender, eventargs e)userid.attributes.add(onblur, checkuserid();string strconn = configurationmanager.appsettingsconnstr; sqlconnection conn = new sqlc

18、onnection(strconn);protected void button1_click(object sender, eventargs e) if (userid.text.tostring()=) return;string strconn = configurationmanager.appsettingsconnstr;sqlconnection conn = new sqlconnection(strconn);string sqlstr =;string sql =;sqlstr = insert intostudents(userid,username,sex,minzu

19、,birthday,class,comefrom,beizhu,xuey,zhuany,tel,idc,zh engzmm,zhiw,huoj,weij)values( + userid.text + , + txtusername.text + , + txtsex.selecteditem.value + , + txtminzu.text + , + txtbirthday.text + , + txtclass.text + , + txtcomefrom.text + , + txtbeizhu.text + , + txtxuey.selectedvalue + , + txtzh

20、uany.selectedvalue + , + txttel.text + , + txtidc.text + , + txtzzmm.selectedvalue + , + txtzhiw.text + , + txthuoj.text + , + txtweij.text + );conn.open();mycmd = new sqlcommand(sqlstr, conn);mycmd.dispose();string name = this. 获取上传文件的名称string type = name.substring(name.lastindexof() + 1);/获取上传文件的后

21、缀string ipath = server.mappath(images/) + datetime.now.tostring(yyyymmddhhmmss) + name;string wpath = images + datetime.now.tostring(yyyymmddhhmmss) +name;string query1 = insert into images(userid,path) values。 + userid.text +,path)；(ipath)；/服务器保存路径sqlcommand cm = new sqlcommand(queryl);cm.connectio

22、n = conn;cm.parameters.add(path, sqldbtype.varchar, 50);cm.parameterspath.value = wpath;cm.executenonquery();/ this.lb_info.text =上传成功！;trymycmd.executenonquery();string sqlstr1 =;sqls任1 = insert into users(userid,username)values( + userid.text + , + txtusername.text + );sqlcommand mycmd1 = new sqlc

23、ommand(sqlstr1, conn);mycmd1.dispose();trymycmd1.executenonquery();response.write(javascript:alert(添力口成功！!););catch (sqlexception)response.write(javascript:alert(添力口失败！!););finallysqlstr1 =; catch (sqlexception)response.write(javascript:alert(添力口失败！!););finallyconn.close();sqlstr =;protected void bu

24、tton2_click(object sender, eventargs e)userid.text =;txtusername.text =;txtminzu.text =;txtbirthday.text =;txtclass.text =;txtcomefrom.text =;txtbeizhu.text =;protected void button3_click(object sender, eventargs e)response.redirect(student.aspx);五、检查课程号唯一性程序代码using system;using system.data;using sy

25、stem.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 checkcourseid : system.web.ui.pageprot

26、ected void page_load(object sender, eventargs e)response.expires = 0;string strconn = configurationmanager.appsettingsconnstr;sqlconnection conn = new sqlconnection(strconn);string nam = request.querystringname.tostring();string sql = select courseid from course where courseid= + nam + ;sqlcommand d

27、bhelper;dbhelper = new sqlcommand(sql, conn);conn.open();sqldatareader dr = dbhelper.executereader(); if (dr.read() response.write( 该课程号已经存在，请换一个); elseresponse.write(该课程号可以使用);dr.close();六、检查学号唯一性程序代码using system;using system.data;using system.configuration;using system.collections;using system.web

28、;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 checkuser : system.web.ui.page protected void page_load(object sender, eventargs e)response.expire

29、s = 0;string strconn = configurationmanager.appsettingsconnstr;sqlconnection conn = new sqlconnection(strconn);string nam = request.querystringname.tostring();string sql = select userid from students where userid= + nam +sqlcommand dbhelper;dbhelper = new sqlcommand(sql, conn);conn.open();sqldatarea

30、der dr = dbhelper.executereader();if (dr.read()response.write(该学号已经存在，请换一个);elseresponse.write(该学号可以使用);dr.close();七、课程信息程序代码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.webcontro

31、ls;using system.web.ui.webcontrols.webparts;using system.web.ui.htmlcontrols;using system.data.sqlclient;public partial class course : system.web.ui.pagesqlconnection conn;sqldatareader getdata;protected void page_load(object sender, eventargs e)string strconn = configurationmanager.appsettingsconns

32、tr;conn = new sqlconnection(strconn);sqldatareader getdata;sqlcommand mycmd;dataset ds = new dataset();string sql =;sql = select * from course order by courseid;mycmd = new sqlcommand(sql, conn);conn.open();getdata = mycmd.executereader();grdmain.datasource = getdata;grdmain.databind();mycmd.connect

33、ion.close();conn.close();mycmd.dispose();protected void button1_click(object sender, eventargs e)dataset ds;sqldatareader da;string strsql =;sqlcommand cmd;conn.open();strsql = select * from course where courseid= + courseid.text + or coursename like + coursename.text + ;cmd = new sqlcommand(strsql,

34、 conn);da = cmd.executereader();datagrid1.datasource = da;datagrid1.databind();conn.close();cmd.dispose();cmd.connection.close();八、编辑、删除学生信息程序代码using system;using system.data;using system.configuration;using system.collections;using system.web;using system.web.security;using system.web.ui;using syst

35、em.web.ui.webcontrols;using system.web.ui.webcontrols.webparts;using system.web.ui.htmlcontrols;using system.data.sqlclient;public partial class images_editstudent : system.web.ui.page sqlcommand cmd;sqlcommand cmd2;protected void page_load(object sender, eventargs e) if (!this.ispostback)string sql

36、 =;sqldatareader reader;string uid =;uid = page.requestid;string strconn = configurationmanager.appsettingsconnstr;sqlconnection conn = new sqlconnection(strconn);sql = select * from students where userid= + uid + ”;sqlcommand cmd;cmd = new sqlcommand(sql, conn);conn.open();reader = cmd.executereade

37、r();while (reader.read()userid.text = readeruserid.tostring();txtusername.text = readerusername.tostring();txtsex.selectedvalue = readersex.tostring();txtminzu.text = readerminzu.tostring();txtbirthday.text = readerbirthday.tostring();txtclass.text = readerclass.tostring();txtcomefrom.text = readerc

38、omefrom.tostring();txtxuey.text = readerxuey.tostring();txtzhuany.text = readerzhuany.tostring();txttel.text = readertel.tostring();txtidc.text = readeridc.tostring();cmd.dispose();sql =;conn.close();protected void button1_click(object sender, eventargs e)string uid=;uid=page .request id;string strc

39、onn = configurationmanager.appsettingsconnstr;sqlconnection conn = new sqlconnection(strconn);string sql=;sql = update students set userid= + userid.text + ,username= + txtusername.text + ,minzu= + txtminzu.text + ,sex= + txtsex.selecteditem.value + ,birthday= + txtbirthday.text + ,class= + txtclass

40、.text + ,comefrom= + txtcomefrom.text + ,beizhu= + txtbeizhu.text + ,xuey= + txtxuey.text +,zhuany= + txtzhuany.text + ,tel= + txttel.text + ,idc= + txtidc.text +,zhengzmm= + txtzzmm.selectedvalue + where userid= + uid + ;cmd=new sqlcommand (sql,conn );conn.open();trycmd.executenonquery();label11.st

41、ylecolor = blue;labelll.text = 编辑成功;response.write(javascript:alert(编辑成功！!););catch(sqlexception )labelll.text = 编辑失败;label11.stylecolor = red;cmd.dispose();conn.close();protected void button2_click(object sender, eventargs e)string sql =;string uid =;string sqlall =;uid = page.requestid;string strc

42、onn = configurationmanager.appsettingsconnstr;sqlconnection conn = new sqlconnection(strconn);sql = delete from students where userid= + uid + ;sqlall = delete from images where userid= + uid + ;cmd = new sqlcommand(sql, conn);cmd2 = new sqlcommand(sqlall,conn);conn.open();trycmd.executenonquery();s

43、tring sqll =;sqll = delete from users where userid= + uid + ”;sqlcommand cmd1 = new sqlcommand(sql1, conn);cmd1.dispose();trycmd1.executenonquery();label11.stylecolor = blue;label11.text = 删除成功;response.write(javascript:alert( 删除成功！!););catch (sqlexception)label11.text = 删除失败;response.write(javascri

44、pt:alert( 删除失败！!););finallysql1 =;catch(sqlexception )labelll.text = 删除失败;label11.stylecolor = red;cmd.dispose();conn.close();userid.text =;txtusername.text =;txtminzu.text =;txtbirthday.text =;txtclass.text =;txtcomefrom.text =;txtbeizhu.text =;txtxuey.text =;txtzhuany.text =;txttel.text =;txtidc.t

45、ext =;protected void button3_click(object sender, eventargs e)response.redirect(student.aspx);九、编辑、删除课程信息程序代码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.

46、web.ui.webcontrols.webparts;using system.web.ui.htmlcontrols;using system.data.sqlclient;public partial class editcourse : system.web.ui.pagesqlcommand cmd;protected void page_load(object sender, eventargs e) if (!this.ispostback)string sql =;sqldatareader reader;string uid =;uid = page.requestid;st

47、ring strconn = configurationmanager.appsettingsconnstr;sqlconnection conn = new sqlconnection(strconn);sql = select * from course where courseid= + uid + ”;sqlcommand cmd;cmd = new sqlcommand(sql, conn);conn.open();reader = cmd.executereader();while (reader.read()courseid.text = readercourseid.tostr

48、ing();coursename.text = readercoursename.tostring();coursetime.text = readercoursetime.tostring();fen.text = readerfen.tostring();type.text = readertype.tostring();type.text = readerteacher.tostring();cmd.dispose();sql =;conn.close();protected void button1_click(object sender, eventargs e)string uid

49、 =;uid = page.requestid;string strconn = configurationmanager.appsettingsconnstr;sqlconnection conn = new sqlconnection(strconn);string sql =;sql = update course set courseid= + courseid.text + ,coursename= + coursename.text + ,coursetime= + coursetime.text + ,fen= + fen.text + ,type= + type.text +

50、,teacher= + teacher.text + where courseid= + uid + ;cmd = new sqlcommand(sql, conn);conn.open();trycmd.executenonquery();label7.text = 编辑成功;response.write(javascript:alert(编辑成功！!););catch (sqlexception)label7.text = 编辑失败;cmd.dispose();conn.close();protected void button2_click(object sender, eventarg

51、s e) string sql =;string uid =;uid = page.requestid;string strconn = configurationmanager.appsettingsconnstr;sqlconnection conn = new sqlconnection(strconn);sql = delete from course where courseid= + uid + ;cmd = new sqlcommand(sql, conn);conn.open();trycmd.executenonquery();label7.text = 删除成功;response.write(javascript:alert(删除成功！!););catch (sqlexception)label7.text = 删除失败;cmd.dispose();conn.close();courseid.text =;coursename.text =;coursetime.text =;fen