全部代码.txt

The Management Information System of Library using .NET

Imports System.Data.SqlClient
'borrec.aspx.vb
'本代码室borrec.aspx
'本窗体用来显示当前登陆读者的所有借书记录,包括还过的书和没有还过的书
'数学00-2班 翟靖轩 编写
'2004-5-20
Public Class borrec
    Inherits System.Web.UI.Page
    Dim CnNO As Int32

#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 dbgborrowlist As System.Web.UI.WebControls.DataGrid

    '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
    Property countNo() As Int32
        Set(ByVal value As Int32)
            CnNO = value
        End Set
        Get
            Return CnNO
        End Get
    End Property
    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
        If Session("UID") Is Nothing Then
            Page.Response.Redirect("login.aspx")
        Else
            If Not IsPostBack Then
                mydatabind(Session("UID"))
            End If

        End If
    End Sub


    Function mydatabind(ByVal strAu_id As String)
        Dim cnlib2004 As SqlConnection
        Dim cmdAuBorrowList As SqlCommand
        Dim dr As SqlDataReader

        cnlib2004 = New SqlConnection(ConfigurationSettings.AppSettings("cncstr"))
        cmdAuBorrowList = New SqlCommand

        With cmdAuBorrowList
            .CommandType = CommandType.StoredProcedure
            .CommandText = "SelectAuAllBorrowList"
            .Connection = cnlib2004
        End With
        Dim mAu_id As New SqlParameter("@Au_id", SqlDbType.NVarChar, 50) '1
        cmdAuBorrowList.Parameters.Add(mAu_id)
        mAu_id.Value = strAu_id


        Try
            cnlib2004.Open()
            dr = cmdAuBorrowList.ExecuteReader

            Me.dbgborrowlist.DataSource = dr
            'Me.dbgborrowlist.DataBind()
            ' Me.countNo = Me.dbgborrowlist.Items.Count
            Me.DataBind()
        Catch ex As Exception
            Response.Redirect("error.aspx?errmsg=" + ex.Message)
        Finally
            cnlib2004.Close()
        End Try
    End Function
End Class
Imports System.Data.SqlClient
Public Class CCheckLog
    Private Uid As String
    Private pwd As String

    Public Sub New(ByVal U_id As String, ByVal P_wd As String)
        Me.Uid = U_id
        Me.pwd = P_wd
    End Sub
    Public Function IsLogSuc() As Boolean
        If Uid Is Nothing Then
            Return False
        Else
            Dim cn As New SqlConnection(ConfigurationSettings.AppSettings("cncstr"))
            Dim cmd As New SqlCommand
            Dim Islog As Int16 = 0

            With cmd
                .CommandType = CommandType.StoredProcedure
                .CommandText = "SelectAuPwd"
                .Connection = cn
            End With
            Dim mAu_id As New SqlParameter("@Au_id", SqlDbType.NVarChar)
            Dim mAu_password As New SqlParameter("@Au_password", SqlDbType.NVarChar)

            With cmd.Parameters
                .Add(mAu_id)
                .Add(mAu_password)
            End With
            mAu_id.Value = Uid
            mAu_password.Value = pwd
            Try
                cn.Open()
                Islog = cmd.ExecuteScalar
                If Islog = 1 Then
                    Return True
                Else
                    Return False
                End If
            Catch ex As Exception
                'Return False
                Throw ex
            Finally
                cn.Close()
                If Not cn Is Nothing Then
                    cn.Dispose()
                End If
            End Try
        End If
    End Function
End Class
Imports System.Data.SqlClient
Public Class curborr
    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 dbgborrowlist As System.Web.UI.WebControls.DataGrid

    '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
        If Session("UID") Is Nothing Then
            Page.Response.Redirect("login.aspx")
        Else
            If Not IsPostBack Then
                mydatabind(Session("UID"))
            End If
        End If
    End Sub
    Function mydatabind(ByVal strAu_id As String)
        Dim cnlib2004 As SqlConnection
        Dim cmdAuBorrowList As SqlCommand
        Dim dr As SqlDataReader

        cnlib2004 = New SqlConnection(ConfigurationSettings.AppSettings("cncstr"))
        cmdAuBorrowList = New SqlCommand

        With cmdAuBorrowList
            .CommandType = CommandType.StoredProcedure
            '.CommandText = "SelectAuBorrowListWeb"
            .CommandText = "SelectAuBorrowList"
            .Connection = cnlib2004
        End With
        Dim mAu_id As New SqlParameter("@Au_id", SqlDbType.NVarChar, 50) '1
        cmdAuBorrowList.Parameters.Add(mAu_id)
        mAu_id.Value = strAu_id


        Try
            cnlib2004.Open()
            dr = cmdAuBorrowList.ExecuteReader
            Me.dbgborrowlist.DataSource = dr
            Me.dbgborrowlist.DataBind()
        Catch ex As Exception
            Response.Redirect("error.aspx?errmsg=" + ex.Message)
        Finally
            cnlib2004.Close()
        End Try
    End Function

End Class
'本页用来修改读者的email和密码
Imports System.Data.SqlClient
Public Class editinfo
    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 Form1 As System.Web.UI.HtmlControls.HtmlForm
    Protected WithEvents txtPwd1 As System.Web.UI.WebControls.TextBox
    Protected WithEvents txtPwdE1 As System.Web.UI.WebControls.TextBox
    Protected WithEvents txtPwdE2 As System.Web.UI.WebControls.TextBox
    Protected WithEvents btnSubmit As System.Web.UI.WebControls.Button
    Protected WithEvents txtEmail As System.Web.UI.WebControls.TextBox
    Protected WithEvents btnEdit 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 CompareValidator1 As System.Web.UI.WebControls.CompareValidator
    Protected WithEvents lblMsg As System.Web.UI.WebControls.Label
    Protected WithEvents lblgengg As System.Web.UI.WebControls.Label

    '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
        If Session("UID") Is Nothing Then
            Page.Response.Redirect("login.aspx")
        Else
            If Not IsPostBack Then

            End If
        End If
    End Sub


    Private Sub btnSubmit_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSubmit.Click
        '服务端验证不用写
        If Session("UID") Is Nothing Then
            Page.Response.Redirect("login.aspx")
        End If
        Dim k As New CCheckLog(Session("UID"), Me.txtPwd1.Text)
        If k.IsLogSuc = False Then
            Me.lblMsg.Text = "密码错误!"
            Me.lblMsg.Visible = True
            Exit Sub
        End If

        Dim cn As New SqlConnection(ConfigurationSettings.AppSettings("cncstr"))
        Dim cmd As New SqlCommand

        With cmd
            .CommandType = CommandType.StoredProcedure
            .CommandText = "UpdateAuPwd"
            .Connection = cn
        End With
        Dim mAu_id As New SqlParameter("@Au_id", SqlDbType.NVarChar)
        Dim mAu_password As New SqlParameter("@Au_password", SqlDbType.NVarChar)
        Dim mAu_Newpassword As New SqlParameter("@Au_Newpassword", SqlDbType.NVarChar)
        With cmd.Parameters
            .Add(mAu_id)
            .Add(mAu_password)
            .Add(mAu_Newpassword)
        End With
        mAu_id.Value = Session("UID")
        mAu_password.Value = Me.txtPwd1.Text.Trim
        mAu_Newpassword.Value = Me.txtPwdE1.Text.Trim
        Try
            cn.Open()
            cmd.ExecuteNonQuery()
            Me.lblMsg.Text = "更改成功!"
            Me.lblMsg.Visible = True
        Catch ex As Exception
            Response.Redirect("error.aspx?errmsg=" + ex.Message)
        Finally
            cn.Close()
            If Not cn Is Nothing Then
                cn.Dispose()
            End If
        End Try
    End Sub

    Private Sub btnEdit_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnEdit.Click
        '服务端验证不用写
        If Session("UID") Is Nothing Then
            Page.Response.Redirect("login.aspx")
        End If

        Dim cn As New SqlConnection(ConfigurationSettings.AppSettings("cncstr"))
        Dim cmd As New SqlCommand

        With cmd
            .CommandType = CommandType.StoredProcedure
            .CommandText = "UpdateAuEmail"
            .Connection = cn
        End With
        Dim mAu_id As New SqlParameter("@Au_id", SqlDbType.NVarChar)
        Dim mAu_email As New SqlParameter("@Au_email", SqlDbType.NVarChar)

        With cmd.Parameters
            .Add(mAu_id)
            .Add(mAu_email)
        End With
        mAu_id.Value = Session("UID")
        mAu_email.Value = Me.txtEmail.Text.Trim

        Try
            cn.Open()
            cmd.ExecuteNonQuery()
            Me.lblgengg.Text = "更改成功!"
            Me.lblgengg.Visible = True
        Catch ex As Exception
            Response.Redirect("error.aspx?errmsg=" + ex.Message)
        Finally
            cn.Close()
            If Not cn Is Nothing Then
                cn.Dispose()
            End If