学生信息管理系统 系统源代码
- 1、下载文档前请自行甄别文档内容的完整性,平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益,请联系客服反馈,我们会尽快为您处理(人工客服工作时间:9:00-18:30)。
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 partial class login : System、Web、UI、Page
{
protected void txtid_Click(object sender, EventArgs e)
{
txtid、Text = "";
txtpassword、Text = "";
}
protected void Button1_Click(object sender, EventArgs e)
{
string strconn = ConfigurationManager、AppSettings["connStr"];
SqlConnection conn = new SqlConnection(strconn);
conn、Open();
DataSet ds=new DataSet () ;
SqlDataAdapter da = new SqlDataAdapter("select * from users where userid='" + txtid、Text + "' and userpwd='" + txtpassword、Text + "'", 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"]=txtid 、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");
}
else if (Session["userpower"]、ToString() == "1")
{
Response、Redirect("student/index、aspx");
}
else
{
Label3、Text = "对不起,权限验证失败";
}
}
conn、Close();
ds、Clear ();
}
}
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 partial class addcourse : System、Web、UI、Page
{
SqlCommand mycmd;
SqlConnection conn;
protected void Page_Load(object sender, EventArgs e)
{
courseid、Attributes、Add("onblur", "checkcourseid()");
string strconn = ConfigurationManager、AppSettings["connStr"];
conn = new SqlConnection(strconn);
}
protected void Button1_Click(object sender, EventArgs e)
{
if (courseid、Text、ToString() == "")
{
Label7、Text = "课程号不能为空";
}
else
{
string sqlstr = "";
sqlstr = "insert into
course(courseid,coursename,coursetime,fen,type,teacher)values('" + courseid、Text + "','" +