aspnet课设--学生成绩管理系统

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();

string sql = \values(@username,@password,@xh,@xm,@xb,@Bj,@Zy,@Sfzh,@jtdz,@Rq)\;

SqlParameter[] parameters = { new SqlParameter(\,name), new SqlParameter(\,psw), new SqlParameter(\,xuehao), new SqlParameter(\,xingming), new SqlParameter(\,xingbie), new SqlParameter(\,banji), new SqlParameter(\,zhuanye), new SqlParameter(\,sfzh), new SqlParameter(\,jia), new SqlParameter(\,cssj) };

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

conn.Open();

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

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cmd.CommandText = sql;

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

Response.Write(@\注册成功！');\); } }

protected void btnback_Click(object sender, EventArgs e) {

Response.Redirect(\);//返回主界面 } }

4.2.2 老师注册页面

图 老师注册页面

using System;

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

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

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

protected void Page_Load(object sender, EventArgs e) {

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}

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(\ + name + \ + psw + \, conn); DataSet ds = new DataSet(); conn.Open();

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

Session[\] = dr[\].ToString().Trim(); Session[\] = dr[\].ToString().Trim(); 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(\ + name + \ + psw + \, conn); DataSet ds = new DataSet(); conn.Open();

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

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{

Session[\] = dr[\].ToString().Trim(); Session[\] = dr[\].ToString().Trim(); Response.Redirect(\); } else

l1.Text = \登陆失败!\;

} }

4.2.3学生学习修改页面

图 学生修改信息页面

using System;

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

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