index.aspx.vb

该源代码包括了asp.net的整个实现过程

Public Class index21
    Inherits System.Web.UI.Page

#Region " Web 窗体设计器生成的代码 "

    '该调用是 Web 窗体设计器所必需的。
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()

    End Sub
    Protected WithEvents LinkButton1 As System.Web.UI.WebControls.LinkButton
    Protected WithEvents spWelMessage As System.Web.UI.HtmlControls.HtmlGenericControl
    Protected WithEvents myDataList As System.Web.UI.WebControls.DataList
    Protected WithEvents Image1 As System.Web.UI.WebControls.Image
    Protected WithEvents ImageButton1 As System.Web.UI.WebControls.ImageButton
    Protected WithEvents ImageButton2 As System.Web.UI.WebControls.ImageButton
    Protected WithEvents TextBox1 As System.Web.UI.WebControls.TextBox
    Protected WithEvents TextBox2 As System.Web.UI.WebControls.TextBox
    Protected WithEvents TextBox3 As System.Web.UI.WebControls.TextBox
    Protected WithEvents TextBox4 As System.Web.UI.WebControls.TextBox
    Protected WithEvents HyperLink3 As System.Web.UI.WebControls.HyperLink
    Protected WithEvents HyperLink2 As System.Web.UI.WebControls.HyperLink
    Protected WithEvents HyperLink4 As System.Web.UI.WebControls.HyperLink
    Protected WithEvents HyperLink5 As System.Web.UI.WebControls.HyperLink
    Protected WithEvents HyperLink6 As System.Web.UI.WebControls.HyperLink
    Protected WithEvents HyperLink7 As System.Web.UI.WebControls.HyperLink
    Protected WithEvents HyperLink9 As System.Web.UI.WebControls.HyperLink
    Protected WithEvents HyperLink8 As System.Web.UI.WebControls.HyperLink
    Protected WithEvents HyperLink1 As System.Web.UI.WebControls.HyperLink
    Protected WithEvents Hyperlink10 As System.Web.UI.WebControls.HyperLink

    '注意: 以下占位符声明是 Web 窗体设计器所必需的。
    '不要删除或移动它。
    Private designerPlaceholderDeclaration As System.Object

    Private Sub Page_Init(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Init
        'CODEGEN: 此方法调用是 Web 窗体设计器所必需的
        '不要使用代码编辑器修改它。
        InitializeComponent()
    End Sub

#End Region

    Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        '在此处放置初始化页的用户代码
        '主页面完成下面几项任务：1、提取时间和登录账号，生成欢迎信息；2、绑定最新5条教学通知；3、显示登录学生的个人信息
        '1、取出cookie中的数据
        Dim student_id As String = Request.Cookies("userInf").Values("userID")
        If DateTime.Now.Hour >= 6 And DateTime.Now.Hour < 12 Then
            spWelMessage.InnerHtml = "早上好，" & Request.Cookies("userInf").Values("userID") & Request.Cookies("userInf").Values("userIdent")
        ElseIf DateTime.Now.Hour >= 12 And DateTime.Now.Hour < 18 Then
            spWelMessage.InnerHtml = "下午好，" & Request.Cookies("userInf").Values("userID") & Request.Cookies("userInf").Values("userIdent")
        Else
            spWelMessage.InnerHtml = "晚上好，" & Request.Cookies("userInf").Values("userID") & Request.Cookies("userInf").Values("userIdent")
        End If
        '---------帮定教务通知new5下载------------------
        Dim dsn As String = ConfigurationSettings.AppSettings("DSN_student")
        Dim conn As New SqlClient.SqlConnection
        conn.ConnectionString = dsn
        Dim cmd As New SqlClient.SqlCommand
        cmd.Connection = conn
        Dim ds1 As DataSet = New DataSet
        Dim mydap1 As New SqlClient.SqlDataAdapter
        cmd.CommandText = "select top 10* from notice_infor order by nu_date desc  "
        mydap1.SelectCommand = cmd
        Try
            conn.Open()
            mydap1.Fill(ds1, "teachingnotice_top10")
            myDataList.DataSource = ds1.Tables("teachingnotice_top10")
            myDataList.DataBind()
        Catch ex As Exception
        Finally
            conn.Close()
        End Try
          '绑定个人基本信息的学号、姓名两项
        cmd.CommandText = "SELECT * FROM student_infor WHERE s_id='" + student_id + "'"
        Try
            conn.Open()
            mydap1.SelectCommand = cmd
            mydap1.Fill(ds1, "student_infor")
            Dim mytable1 As New DataTable
            mytable1 = ds1.Tables("student_infor")
            If mytable1.Rows.Count = 0 Then
                TextBox1.Text = "无！"
                TextBox2.Text = "无！"
            Else
                TextBox1.Text = mytable1.Rows(0)("s_id")
                TextBox2.Text = mytable1.Rows(0)("s_name")
            End If

        Catch ex As Exception
        Finally
            conn.Close()
        End Try
         '绑定个人基本信息的班号、座号两项
        cmd.CommandText = "SELECT * FROM class_student WHERE s_id ='" + student_id + "'"
        Try
            conn.Open()
            mydap1.SelectCommand = cmd
            mydap1.Fill(ds1, "class_student")
            Dim mytable2 As New DataTable
            mytable2 = ds1.Tables("class_student")
            If mytable2.Rows.Count = 0 Then
                TextBox3.Text = "无！"
                TextBox4.Text = "无！"
            Else
                TextBox3.Text = mytable2.Rows(0)("class_id")
                TextBox4.Text = Trim(mytable2.Rows(0)("group_id")) + Trim(mytable2.Rows(0)("seat_id"))
            End If
        Catch ex As Exception
        Finally
            conn.Close()
        End Try
    End Sub

    Private Sub LinkButton1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles LinkButton1.Click
        Response.Redirect("../login.aspx")
    End Sub
    Private Sub ImageButton1_Click(ByVal sender As System.Object, ByVal e As System.Web.UI.ImageClickEventArgs) Handles ImageButton1.Click
        Response.Redirect("s_notice_list.aspx")
    End Sub
    Private Sub ImageButton2_Click(ByVal sender As System.Object, ByVal e As System.Web.UI.ImageClickEventArgs) Handles ImageButton2.Click
        Response.Redirect("login_infor.aspx")
    End Sub
End Class