Public Class t_lab_infor
    Inherits System.Web.UI.Page

#Region " Web 窗體設(shè)計(jì)器生成的代碼 "

    '該調(diào)用是 Web 窗體設(shè)計(jì)器所必需的。
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()

    End Sub
    Protected WithEvents Label1 As System.Web.UI.WebControls.Label
    Protected WithEvents Button1 As System.Web.UI.WebControls.Button
    Protected WithEvents DropDownList1 As System.Web.UI.WebControls.DropDownList
    Protected WithEvents Button3 As System.Web.UI.WebControls.Button
    Protected WithEvents TextBox1 As System.Web.UI.WebControls.TextBox
    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(shè)計(jì)器所必需的。
    '不要?jiǎng)h除或移動(dòng)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(diào)用是 Web 窗體設(shè)計(jì)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
    Dim mydap1 As New SqlClient.SqlDataAdapter
    Dim ds1 As DataSet = New DataSet
    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
        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(shù)據(jù)控件連接信息
        dsn = ConfigurationSettings.AppSettings("DSN_teacher")
        conn.ConnectionString = dsn
        cmd.Connection = conn
        mydap1.SelectCommand = cmd
        If Not IsPostBack Then
            '綁定dropdownlist1的內(nèi)容，為實(shí)驗(yàn)序號(hào)lab_infor表中的lab_id內(nèi)容
            Dim bool1 As Boolean = False
            cmd.CommandText = "SELECT lab_id FROM lab_infor"
            Try
                conn.Open()
                DropDownList1.DataSource = cmd.ExecuteReader
                DropDownList1.DataTextField = "lab_id"
                DropDownList1.DataBind()
                bool1 = True
            Catch
                Label1.Text = "讀取實(shí)驗(yàn)信息表失敗，可能是服務(wù)器出現(xiàn)錯(cuò)誤，請(qǐng)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 Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        '選擇dropdownlist1的實(shí)驗(yàn)序號(hào)，查詢某個(gè)實(shí)驗(yàn)的實(shí)驗(yàn)信息
        Dim bool2 As Boolean = False
        cmd.CommandText = "SELECT lab_memo FROM lab_infor where lab_id='" + DropDownList1.SelectedItem.Text + "'"
        Try
            conn.Open()
            mydap1.Fill(ds1, "lab_infor_lab_memo")
            bool2 = True
        Catch
            Label1.Text = "讀取實(shí)驗(yàn)信息表失敗，可能是服務(wù)器出現(xiàn)錯(cuò)誤，請(qǐng)稍后再試！非常抱歉影響了您的工作！"
        Finally
            conn.Close()
        End Try
        If bool2 Then
            Dim mytable2 As New DataTable
            mytable2 = ds1.Tables("lab_infor_lab_memo")
            TextBox1.Text = mytable2.Rows(0)("lab_memo")
        End If
    End Sub

    Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
        '提交修改信息
        cmd.CommandText = "update lab_infor set lab_memo='" + TextBox1.Text + "'where lab_id='" + DropDownList1.SelectedItem.Text + "'"
        Try
            conn.Open()
            cmd.ExecuteReader()
            Label1.Text = "修改成功！"
        Catch
            Label1.Text = "讀取實(shí)驗(yàn)信息表失敗，可能是服務(wù)器出現(xiàn)錯(cuò)誤，請(qǐng)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