Public Class t_exercise_upload
    Inherits System.Web.UI.Page

#Region " Web 窗體設計器生成的代碼 "

    '該調用是 Web 窗體設計器所必需的。
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()

    End Sub
    Protected WithEvents DropDownList1 As System.Web.UI.WebControls.DropDownList
    Protected WithEvents Button1 As System.Web.UI.WebControls.Button
    Protected WithEvents DataGrid1 As System.Web.UI.WebControls.DataGrid
    Protected WithEvents Label1 As System.Web.UI.WebControls.Label
    Protected WithEvents HyperLink1 As System.Web.UI.WebControls.HyperLink
    Protected WithEvents HyperLink2 As System.Web.UI.WebControls.HyperLink
    Protected WithEvents LinkButton1 As System.Web.UI.WebControls.LinkButton
    Protected WithEvents Image1 As System.Web.UI.WebControls.Image
    Protected WithEvents spWelMessage As System.Web.UI.HtmlControls.HtmlGenericControl

    '注意: 以下占位符聲明是 Web 窗體設計器所必需的。
    '不要刪除或移動它。
    Private designerPlaceholderDeclaration As System.Object

    Private Sub Page_Init(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Init
        'CODEGEN: 此方法調用是 Web 窗體設計器所必需的
        '不要使用代碼編輯器修改它。
        InitializeComponent()
    End Sub

#End Region

    Private Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        '在此處放置初始化頁的用戶代碼
        '1、取出cookie中的數據
        Dim teacher_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
    End Sub

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        '將通知信息的通知時間、通知對象、通知標題綁定到datagrid1中
        Dim dsn As String = ConfigurationSettings.AppSettings("DSN_teacher")
        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 eu_id,s_id,e_title,eu_date from exercise_update where s_id in(select s_id from class_student where class_id='" + DropDownList1.SelectedItem.Text + "')"
        mydap1.SelectCommand = cmd
        Try
            conn.Open()
            mydap1.Fill(ds1, "exerciseupdate")
            DataGrid1.DataSource = ds1.Tables("exerciseupdate")
            DataGrid1.DataBind()
            Label1.Text = ""
        Catch
            Label1.Text = "讀取作業提交表失敗，可能是服務器出現錯誤，請稍后再試！非常抱歉影響了您的工作！"
        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
End Class