Public Class t_exercise_infor
    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 Label1 As System.Web.UI.WebControls.Label
    Protected WithEvents TextBox4 As System.Web.UI.WebControls.TextBox
    Protected WithEvents TextBox3 As System.Web.UI.WebControls.TextBox
    Protected WithEvents TextBox2 As System.Web.UI.WebControls.TextBox
    Protected WithEvents TextBox5 As System.Web.UI.WebControls.TextBox
    Protected WithEvents TextBox1 As System.Web.UI.WebControls.TextBox
    Protected WithEvents Button2 As System.Web.UI.WebControls.Button
    Protected WithEvents RequiredFieldValidator1 As System.Web.UI.WebControls.RequiredFieldValidator
    Protected WithEvents RequiredFieldValidator2 As System.Web.UI.WebControls.RequiredFieldValidator
    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
    Protected WithEvents Button1 As System.Web.UI.WebControls.Button

    '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
    Dim dsn As String
    Dim conn As New SqlClient.SqlConnection
    Dim cmd As New SqlClient.SqlCommand
    
    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
        '歡迎信息
        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
        '數據庫連接
        dsn = ConfigurationSettings.AppSettings("DSN_teacher")
        conn.ConnectionString = dsn
        cmd.Connection = conn
        Dim ds1 As DataSet = New DataSet
        Dim mydap1 As New SqlClient.SqlDataAdapter
        mydap1.SelectCommand = cmd
        '綁定作業基本信息的標題、發布對象、作業要求、作業序號
        Dim exercise_id As String = Request.QueryString("e_id")
        If Not IsPostBack Then
            cmd.CommandText = "SELECT * FROM exercise_infor WHERE e_id='" + exercise_id + "'"
            Try
                conn.Open()
                mydap1.Fill(ds1, "exercise_infor")
                Dim mytable1 As New DataTable
                mytable1 = ds1.Tables("exercise_infor")
                TextBox1.Text = mytable1.Rows(0)("e_id")
                TextBox2.Text = mytable1.Rows(0)("eu_deadline")
                TextBox3.Text = mytable1.Rows(0)("e_content")
                TextBox4.Text = mytable1.Rows(0)("e_memo")
                TextBox5.Text = mytable1.Rows(0)("e_title")
            Catch
                Label1.Text = "讀取作業信息表失敗，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 If
    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        '提交修改信息
        cmd.CommandText = "update exercise_infor set e_title='" + TextBox5.Text + "' ,eu_deadline='" + TextBox2.Text + "',e_content='" + TextBox3.Text + "',e_memo='" + TextBox4.Text + "' where e_id='" + TextBox1.Text + "'"
        Try
            conn.Open()
            cmd.ExecuteReader()
            Label1.Text = "修改成功！"
        Catch
            Label1.Text = "寫入作業信息表失敗，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

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        '重添
        TextBox2.Text = ""
        TextBox3.Text = ""
        TextBox4.Text = ""
        TextBox5.Text = ""
    End Sub
End Class