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计算机网络IP地址的合法性与子网判断课程设计.doc

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主页: <%@ Page Language="C#" AutoEventWireup="true" CodeFile="Login.aspx.cs" Inherits="Login" %> 成绩管理-51aspx.com



欢迎光临
成绩管理系统3


学生 ImageUrl="~/images/Login.gif" OnClick="imgbtn_Stu_Click" />


后台代码 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; public partial class Login : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { } protected void imgbtn_Stu_Click(object sender, ImageClickEventArgs e) { Response.Redirect("Student/StudentLogin.aspx"); } }
学生登录页面 <%@ Page Language="C#" AutoEventWireup="true" CodeFile="StudentLogin.aspx.cs" Inherits="Student_StudentLogin" %> 无标题页3


   学生登录

Display="Dynamic" ErrorMessage="学号空
Display="Dynamic" ErrorMessage="密码空
学号?
姓名
密码
确认 ControlToCompare="tbx_pwd1"


   
后台代码 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; public partial class Student_StudentLogin : System.Web.UI.Page { SQLHelper sqlhelper = new SQLHelper(); protected void Page_Load(object sender, EventArgs e) { } protected void ImageButton1_Click(object sender, ImageClickEventArgs e) { if (this.tbx_name.Text.IndexOf("'") > 0 || this.tbx_name.Text.IndexOf("-") > 0) { this.Label_Msg.Text = "用户名中有非法字"; return; } Login lgn = new Login(); if (lgn.StudentLogin(tbx_sn.Text, tbx_name.Text, tbx_pwd1.Text) != null) { Session["sn"] = tbx_sn.Text; Session["sname"] = tbx_name.Text; Session["pwd"] = tbx_pwd1.Text; Response.Redirect("StudentIndex.aspx"); } else { Page.ClientScript.RegisterStartupScript(GetType(), "MyScript", ""); } } } 学生信息 <%@ Page Language="C#" AutoEventWireup="true" CodeFile="Student_info.aspx.cs" Inherits="Student_Student_info" %> 无标题页3
       学生本人信息查看
学号
姓名
  专Á¡§业°¦Ì: êo
学院
后台代码 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; public partial class Student_Student_info : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { SQLHelper sql = new SQLHelper(); DataSet dt = new DataSet(); sql.RunSQL("select * from Student where sn='" + Session["sn"].ToString() + "'", ref dt); } } this.lbl_sn.Text = dt.Tables[0].Rows[0]["sn"].ToString(); this.lbl_name.Text = dt.Tables[0].Rows[0]["sname"].ToString(); this.lbl_major.Text = dt.Tables[0].Rows[0]["major"].ToString(); this.lbl_dept.Text = dt.Tables[0].Rows[0]["dept"].ToString();
成绩查询 <%@ Page Language="C#" AutoEventWireup="true" Theme="Staff" CodeFile="Score.aspx.cs" Inherits="Student_Score" %> 无标题页3
后台代码 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; public partial class Student_Score : System.Web.UI.Page { SQLHelper sql = new SQLHelper(); DataSet dt = new DataSet(); protected void Page_Load(object sender, EventArgs e) { sql.RunSQL("select * from Grade where sn='" + Session["sn"].ToString()+"'", ref dt); GridView1.DataSource = dt.Tables[0]; GridView1.DataBind(); }
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