学生信息管理系统系统源代码样本

下载后可任意编辑系 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 = "";下载后可任意编辑 } 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 {下载后可任意编辑 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 "; }下载后可任意编辑 } 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 ...