内容发布更新时间 : 2024/12/26 4:33:11星期一 下面是文章的全部内容请认真阅读。

课程设计说明书 NO. 11

public partial class loginfirst : System.Web.UI.Page {

protected void Page_Load(object sender, EventArgs e) { }

protected void btnlogin_Click(object sender, EventArgs e) {

Response.Redirect(\进入学生注册页面 }

protected void btnlogin2_Click(object sender, EventArgs e) {

Response.Redirect(\进入教师注册页面 }

protected void btn2_Click(object sender, EventArgs e)//进入教师页 {

string name = username.Text.Trim(); string psw = password.Text.Trim();

SqlConnection conn = new SqlConnection(\Security=SSPI;database=学生成绩管理;\

SqlCommand cmd = new SqlCommand(\+ \

DataSet ds = new DataSet(); conn.Open();

SqlDataReader dr = cmd.ExecuteReader(); if (dr.Read()) {

Session[\ Session[\ Response.Redirect(\ } else

l1.Text = \登陆失败!\ }

protected void btn1_Click(object sender, EventArgs e)//进入学生页 {

string name = username.Text.Trim(); string psw = password.Text.Trim();

SqlConnection conn = new SqlConnection(\Security=SSPI;database=学生成绩管理;\

SqlCommand cmd = new SqlCommand(\\

沈 阳 大 学

课程设计说明书 NO. 12

DataSet ds = new DataSet(); conn.Open(); SqlDataReader dr = cmd.ExecuteReader(); if (dr.Read()) { Session[\ Session[\ Response.Redirect(\ } else l1.Text = \登陆失败!\ } } （3）学生修改页面，如图8所示。 图8 学生修改信息页面 沈 阳 大 学

课程设计说明书 NO. 13

using System;

using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI;

using System.Web.UI.WebControls; using System.Data;

using System.Data.SqlClient; using System.Data.OleDb;

public partial class ogin : System.Web.UI.Page {

protected void Page_Load(object sender, EventArgs e) { }

protected void butsubmit_Click(object sender, EventArgs e) {

if (Page.IsValid) {

string name = username.Text.Trim(); string psw = password.Text.Trim(); string xuehao = xh.Text.Trim(); string xingming = xm.Text.Trim(); string xingbie = xb.Text.Trim(); string banji = Bj.Text.Trim(); string zhuanye = Zy.Text.Trim(); string sfzh = Sfzh.Text.Trim(); string jia = jtdz.Text.Trim(); string cssj = Rq.Text.Trim();

Session[\ string sql = \ student set

username=@username,password=@password,xm=@xm,xb=@xb,Bj=@Bj,Zy=@Zy,Sfzh=@Sfzh,jtdz=@jtdz,Rq=@Rq where xh=@xh\

SqlParameter[] parameters = { new SqlParameter(\ new SqlParameter(\ new SqlParameter(\ new SqlParameter(\ new SqlParameter(\ new SqlParameter(\ new SqlParameter(\ new SqlParameter(\ new SqlParameter(\

沈 阳 大 学

课程设计说明书 NO. 14

new SqlParameter(\ };

using (SqlConnection conn = new SqlConnection(\Security=SSPI;database=学生成绩管理;\

{

conn.Open();

using (SqlCommand cmd = conn.CreateCommand()) {

cmd.CommandText = sql;

cmd.Parameters.AddRange(parameters); cmd.ExecuteNonQuery(); } }

Response.Write(@\修改成功！');\ } }

protected void btnback_Click(object sender, EventArgs e) {

Response.Redirect(\返回学生界面 } }

（4）老师信息修改页面，如图9所示。

图9老师信息修改

using System;

using System.Collections.Generic; using System.Linq; using System.Web;

沈 阳 大 学

课程设计说明书 NO. 15

using System.Web.UI;

using System.Web.UI.WebControls; using System.Data.SqlClient;

public partial class Tealogin : System.Web.UI.Page {

protected void Page_Load(object sender, EventArgs e) { }

protected void btnSubmit_Click(object sender, EventArgs e) {

// string uid = id.Text.Trim();

string yong = teacheruid.Text.Trim(); string pwd = teacherpwd.Text.Trim(); string ke = kmm.Text.Trim();

Session[\

string sql = \teacheruid=@teacheruid \

SqlParameter[] parameters = { new SqlParameter(\

new SqlParameter(\ //new SqlParameter(\ new SqlParameter(\ using (SqlConnection conn = new SqlConnection(\Security=SSPI;database=学生成绩管理;\

{

conn.Open();

//Session[\

using (SqlCommand cmd = conn.CreateCommand())//tsql {

cmd.CommandText = sql;

cmd.Parameters.AddRange(parameters); cmd.ExecuteNonQuery(); } }

Response.Write(@\修改成功！');\ }

protected void Button1_Click(object sender, EventArgs e) {

Response.Redirect(\} }

沈 阳 大 学