frmuser.vb

这是一个关于图书仓库管理系统的程序源代码。是我的毕业设计的作品

Imports System.Data.SqlClient

Public Class frmUser
    Inherits System.Windows.Forms.Form


#Region " Windows 窗体设计器生成的代码 "

    Public Sub New()
        MyBase.New()

        '该调用是 Windows 窗体设计器所必需的。
        InitializeComponent()

        '在 InitializeComponent() 调用之后添加任何初始化

    End Sub

    '窗体重写处置以清理组件列表。
    Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
        If disposing Then
            If Not (components Is Nothing) Then
                components.Dispose()
            End If
        End If
        MyBase.Dispose(disposing)
    End Sub

    'Windows 窗体设计器所必需的
    Private components As System.ComponentModel.IContainer

    '注意：以下过程是 Windows 窗体设计器所必需的
    '可以使用 Windows 窗体设计器修改此过程。
    '不要使用代码编辑器修改它。
    Friend WithEvents GroupBox1 As System.Windows.Forms.GroupBox
    Friend WithEvents GroupBox2 As System.Windows.Forms.GroupBox
    Friend WithEvents lstUser As System.Windows.Forms.ListView
    Friend WithEvents ColumnHeader1 As System.Windows.Forms.ColumnHeader
    Friend WithEvents ColumnHeader2 As System.Windows.Forms.ColumnHeader
    Friend WithEvents lblUserID As System.Windows.Forms.Label
    Friend WithEvents lblUserName As System.Windows.Forms.Label
    Friend WithEvents txtUserName As System.Windows.Forms.TextBox
    Friend WithEvents lblPassword As System.Windows.Forms.Label
    Friend WithEvents txtPassword As System.Windows.Forms.TextBox
    Friend WithEvents lblUserType As System.Windows.Forms.Label
    Friend WithEvents lblInfo As System.Windows.Forms.Label
    Friend WithEvents btnAdd As System.Windows.Forms.Button
    Friend WithEvents btnUpdate As System.Windows.Forms.Button
    Friend WithEvents btnDel As System.Windows.Forms.Button
    Friend WithEvents btnOK As System.Windows.Forms.Button
    Friend WithEvents btnCancel As System.Windows.Forms.Button
    Friend WithEvents cboUserType As System.Windows.Forms.ComboBox
    Friend WithEvents txtUserID As System.Windows.Forms.TextBox
    Friend WithEvents ColumnHeader3 As System.Windows.Forms.ColumnHeader
    Friend WithEvents ColumnHeader4 As System.Windows.Forms.ColumnHeader
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.GroupBox1 = New System.Windows.Forms.GroupBox
        Me.lstUser = New System.Windows.Forms.ListView
        Me.ColumnHeader1 = New System.Windows.Forms.ColumnHeader
        Me.ColumnHeader2 = New System.Windows.Forms.ColumnHeader
        Me.ColumnHeader3 = New System.Windows.Forms.ColumnHeader
        Me.ColumnHeader4 = New System.Windows.Forms.ColumnHeader
        Me.GroupBox2 = New System.Windows.Forms.GroupBox
        Me.txtUserID = New System.Windows.Forms.TextBox
        Me.btnCancel = New System.Windows.Forms.Button
        Me.btnOK = New System.Windows.Forms.Button
        Me.btnDel = New System.Windows.Forms.Button
        Me.btnUpdate = New System.Windows.Forms.Button
        Me.btnAdd = New System.Windows.Forms.Button
        Me.lblInfo = New System.Windows.Forms.Label
        Me.lblUserType = New System.Windows.Forms.Label
        Me.cboUserType = New System.Windows.Forms.ComboBox
        Me.txtPassword = New System.Windows.Forms.TextBox
        Me.lblPassword = New System.Windows.Forms.Label
        Me.txtUserName = New System.Windows.Forms.TextBox
        Me.lblUserName = New System.Windows.Forms.Label
        Me.lblUserID = New System.Windows.Forms.Label
        Me.GroupBox1.SuspendLayout()
        Me.GroupBox2.SuspendLayout()
        Me.SuspendLayout()
        '
        'GroupBox1
        '
        Me.GroupBox1.Controls.Add(Me.lstUser)
        Me.GroupBox1.Location = New System.Drawing.Point(8, 8)
        Me.GroupBox1.Name = "GroupBox1"
        Me.GroupBox1.Size = New System.Drawing.Size(216, 328)
        Me.GroupBox1.TabIndex = 0
        Me.GroupBox1.TabStop = False
        '
        'lstUser
        '
        Me.lstUser.Columns.AddRange(New System.Windows.Forms.ColumnHeader() {Me.ColumnHeader1, Me.ColumnHeader2, Me.ColumnHeader3, Me.ColumnHeader4})
        Me.lstUser.FullRowSelect = True
        Me.lstUser.GridLines = True
        Me.lstUser.Location = New System.Drawing.Point(8, 16)
        Me.lstUser.Name = "lstUser"
        Me.lstUser.Size = New System.Drawing.Size(192, 304)
        Me.lstUser.TabIndex = 0
        Me.lstUser.View = System.Windows.Forms.View.Details
        '
        'ColumnHeader1
        '
        Me.ColumnHeader1.Text = "用户ID"
        Me.ColumnHeader1.Width = 90
        '
        'ColumnHeader2
        '
        Me.ColumnHeader2.Text = "用户名"
        Me.ColumnHeader2.Width = 100
        '
        'ColumnHeader3
        '
        Me.ColumnHeader3.Text = "密码"
        Me.ColumnHeader3.Width = 0
        '
        'ColumnHeader4
        '
        Me.ColumnHeader4.Text = "用户类型"
        Me.ColumnHeader4.Width = 0
        '
        'GroupBox2
        '
        Me.GroupBox2.Controls.Add(Me.txtUserID)
        Me.GroupBox2.Controls.Add(Me.btnCancel)
        Me.GroupBox2.Controls.Add(Me.btnOK)
        Me.GroupBox2.Controls.Add(Me.btnDel)
        Me.GroupBox2.Controls.Add(Me.btnUpdate)
        Me.GroupBox2.Controls.Add(Me.btnAdd)
        Me.GroupBox2.Controls.Add(Me.lblInfo)
        Me.GroupBox2.Controls.Add(Me.lblUserType)
        Me.GroupBox2.Controls.Add(Me.cboUserType)
        Me.GroupBox2.Controls.Add(Me.txtPassword)
        Me.GroupBox2.Controls.Add(Me.lblPassword)
        Me.GroupBox2.Controls.Add(Me.txtUserName)
        Me.GroupBox2.Controls.Add(Me.lblUserName)
        Me.GroupBox2.Controls.Add(Me.lblUserID)
        Me.GroupBox2.Location = New System.Drawing.Point(232, 8)
        Me.GroupBox2.Name = "GroupBox2"
        Me.GroupBox2.Size = New System.Drawing.Size(272, 328)
        Me.GroupBox2.TabIndex = 1
        Me.GroupBox2.TabStop = False
        '
        'txtUserID
        '
        Me.txtUserID.Enabled = False
        Me.txtUserID.Location = New System.Drawing.Point(88, 48)
        Me.txtUserID.MaxLength = 20
        Me.txtUserID.Name = "txtUserID"
        Me.txtUserID.Size = New System.Drawing.Size(88, 21)
        Me.txtUserID.TabIndex = 1
        Me.txtUserID.Text = ""
        '
        'btnCancel
        '
        Me.btnCancel.Location = New System.Drawing.Point(152, 272)
        Me.btnCancel.Name = "btnCancel"
        Me.btnCancel.Size = New System.Drawing.Size(56, 24)
        Me.btnCancel.TabIndex = 13
        Me.btnCancel.Text = "取消"
        '
        'btnOK
        '
        Me.btnOK.Location = New System.Drawing.Point(72, 272)
        Me.btnOK.Name = "btnOK"
        Me.btnOK.Size = New System.Drawing.Size(56, 24)
        Me.btnOK.TabIndex = 12
        Me.btnOK.Text = "确定"
        '
        'btnDel
        '
        Me.btnDel.Location = New System.Drawing.Point(184, 224)
        Me.btnDel.Name = "btnDel"
        Me.btnDel.Size = New System.Drawing.Size(56, 24)
        Me.btnDel.TabIndex = 11
        Me.btnDel.Text = "删除"
        '
        'btnUpdate
        '
        Me.btnUpdate.Location = New System.Drawing.Point(112, 224)
        Me.btnUpdate.Name = "btnUpdate"
        Me.btnUpdate.Size = New System.Drawing.Size(56, 24)
        Me.btnUpdate.TabIndex = 10
        Me.btnUpdate.Text = "修改"
        '
        'btnAdd
        '
        Me.btnAdd.Location = New System.Drawing.Point(40, 224)
        Me.btnAdd.Name = "btnAdd"
        Me.btnAdd.Size = New System.Drawing.Size(56, 24)
        Me.btnAdd.TabIndex = 9
        Me.btnAdd.Text = "添加"
        '
        'lblInfo
        '
        Me.lblInfo.AutoSize = True
        Me.lblInfo.Font = New System.Drawing.Font("楷体_GB2312", 12.0!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(134, Byte))
        Me.lblInfo.ForeColor = System.Drawing.Color.FromArgb(CType(0, Byte), CType(0, Byte), CType(192, Byte))
        Me.lblInfo.Location = New System.Drawing.Point(88, 16)
        Me.lblInfo.Name = "lblInfo"
        Me.lblInfo.Size = New System.Drawing.Size(72, 22)
        Me.lblInfo.TabIndex = 8
        Me.lblInfo.Text = "用户资料"
        '
        'lblUserType
        '
        Me.lblUserType.AutoSize = True
        Me.lblUserType.Location = New System.Drawing.Point(32, 168)
        Me.lblUserType.Name = "lblUserType"
        Me.lblUserType.Size = New System.Drawing.Size(35, 17)
        Me.lblUserType.TabIndex = 7
        Me.lblUserType.Text = "类型:"
        '
        'cboUserType
        '
        Me.cboUserType.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList
        Me.cboUserType.Enabled = False
        Me.cboUserType.Items.AddRange(New Object() {"系统管理员", "库存管理员", "交易管理员"})
        Me.cboUserType.Location = New System.Drawing.Point(88, 168)
        Me.cboUserType.Name = "cboUserType"
        Me.cboUserType.Size = New System.Drawing.Size(96, 20)
        Me.cboUserType.TabIndex = 6
        '
        'txtPassword
        '
        Me.txtPassword.Enabled = False
        Me.txtPassword.Location = New System.Drawing.Point(88, 128)
        Me.txtPassword.MaxLength = 20
        Me.txtPassword.Name = "txtPassword"
        Me.txtPassword.PasswordChar = Microsoft.VisualBasic.ChrW(42)
        Me.txtPassword.Size = New System.Drawing.Size(88, 21)
        Me.txtPassword.TabIndex = 5
        Me.txtPassword.Text = ""
        '
        'lblPassword
        '
        Me.lblPassword.AutoSize = True
        Me.lblPassword.Location = New System.Drawing.Point(32, 128)
        Me.lblPassword.Name = "lblPassword"
        Me.lblPassword.Size = New System.Drawing.Size(35, 17)
        Me.lblPassword.TabIndex = 4
        Me.lblPassword.Text = "密码:"
        '
        'txtUserName
        '
        Me.txtUserName.Enabled = False
        Me.txtUserName.Location = New System.Drawing.Point(88, 88)
        Me.txtUserName.MaxLength = 20
        Me.txtUserName.Name = "txtUserName"
        Me.txtUserName.Size = New System.Drawing.Size(88, 21)
        Me.txtUserName.TabIndex = 3
        Me.txtUserName.Text = ""
        '
        'lblUserName
        '
        Me.lblUserName.AllowDrop = True