adminadd.vb

图书管理系统

Imports System.Data.SqlClient
Public Class AdminAdd
    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 dispose 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 Label1 As System.Windows.Forms.Label
    Friend WithEvents GroupBox1 As System.Windows.Forms.GroupBox
    Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
    Friend WithEvents TextBox2 As System.Windows.Forms.TextBox
    Friend WithEvents Label2 As System.Windows.Forms.Label
    Friend WithEvents TextBox3 As System.Windows.Forms.TextBox
    Friend WithEvents Label3 As System.Windows.Forms.Label
    Friend WithEvents Button1 As System.Windows.Forms.Button
    Friend WithEvents Button2 As System.Windows.Forms.Button
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.Label1 = New System.Windows.Forms.Label
        Me.GroupBox1 = New System.Windows.Forms.GroupBox
        Me.Label3 = New System.Windows.Forms.Label
        Me.TextBox3 = New System.Windows.Forms.TextBox
        Me.Label2 = New System.Windows.Forms.Label
        Me.TextBox2 = New System.Windows.Forms.TextBox
        Me.TextBox1 = New System.Windows.Forms.TextBox
        Me.Button1 = New System.Windows.Forms.Button
        Me.Button2 = New System.Windows.Forms.Button
        Me.GroupBox1.SuspendLayout()
        Me.SuspendLayout()
        '
        'Label1
        '
        Me.Label1.Location = New System.Drawing.Point(24, 32)
        Me.Label1.Name = "Label1"
        Me.Label1.TabIndex = 0
        Me.Label1.Text = "用 户 名"
        '
        'GroupBox1
        '
        Me.GroupBox1.Controls.Add(Me.Label3)
        Me.GroupBox1.Controls.Add(Me.TextBox3)
        Me.GroupBox1.Controls.Add(Me.Label2)
        Me.GroupBox1.Controls.Add(Me.TextBox2)
        Me.GroupBox1.Controls.Add(Me.TextBox1)
        Me.GroupBox1.Controls.Add(Me.Label1)
        Me.GroupBox1.Location = New System.Drawing.Point(32, 24)
        Me.GroupBox1.Name = "GroupBox1"
        Me.GroupBox1.Size = New System.Drawing.Size(312, 160)
        Me.GroupBox1.TabIndex = 1
        Me.GroupBox1.TabStop = False
        Me.GroupBox1.Text = "管理员增加"
        '
        'Label3
        '
        Me.Label3.Location = New System.Drawing.Point(24, 112)
        Me.Label3.Name = "Label3"
        Me.Label3.TabIndex = 5
        Me.Label3.Text = "确认密码"
        '
        'TextBox3
        '
        Me.TextBox3.Location = New System.Drawing.Point(152, 112)
        Me.TextBox3.Name = "TextBox3"
        Me.TextBox3.PasswordChar = Microsoft.VisualBasic.ChrW(42)
        Me.TextBox3.Size = New System.Drawing.Size(128, 21)
        Me.TextBox3.TabIndex = 4
        Me.TextBox3.Text = ""
        '
        'Label2
        '
        Me.Label2.Location = New System.Drawing.Point(24, 72)
        Me.Label2.Name = "Label2"
        Me.Label2.TabIndex = 3
        Me.Label2.Text = "密    码"
        '
        'TextBox2
        '
        Me.TextBox2.Location = New System.Drawing.Point(152, 72)
        Me.TextBox2.Name = "TextBox2"
        Me.TextBox2.PasswordChar = Microsoft.VisualBasic.ChrW(42)
        Me.TextBox2.Size = New System.Drawing.Size(128, 21)
        Me.TextBox2.TabIndex = 2
        Me.TextBox2.Text = ""
        '
        'TextBox1
        '
        Me.TextBox1.Location = New System.Drawing.Point(152, 32)
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.Size = New System.Drawing.Size(128, 21)
        Me.TextBox1.TabIndex = 1
        Me.TextBox1.Text = ""
        '
        'Button1
        '
        Me.Button1.Location = New System.Drawing.Point(72, 208)
        Me.Button1.Name = "Button1"
        Me.Button1.TabIndex = 2
        Me.Button1.Text = "增加"
        '
        'Button2
        '
        Me.Button2.Location = New System.Drawing.Point(208, 208)
        Me.Button2.Name = "Button2"
        Me.Button2.TabIndex = 3
        Me.Button2.Text = "取消"
        '
        'AdminAdd
        '
        Me.AcceptButton = Me.Button1
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.BackColor = System.Drawing.SystemColors.ActiveBorder
        Me.ClientSize = New System.Drawing.Size(378, 271)
        Me.Controls.Add(Me.Button2)
        Me.Controls.Add(Me.Button1)
        Me.Controls.Add(Me.GroupBox1)
        Me.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog
        Me.MinimizeBox = False
        Me.Name = "AdminAdd"
        Me.Text = "管理员增加"
        Me.GroupBox1.ResumeLayout(False)
        Me.ResumeLayout(False)

    End Sub

#End Region
    Private sqlstr As String
    Dim mycom2 As Sqlcommand
    Private Sub AdminAdd_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        TextBox1.Focus()
    End Sub

    ' Private Sub TextBox1_LostFocus(ByVal sender As Object, ByVal e As System.EventArgs) Handles TextBox1.LostFocus
    '    If TextBox1.Text = "" Then
    '       MessageBox.Show("用户名不能为空!", "提醒", MessageBoxButtons.OK, MessageBoxIcon.Warning)
    '      Exit Sub
    ' End If
    'sqlstr = "Select count(*) From Administrator Where Name='" & TextBox1.Text & "'"
    'Try
    '   If mycon.State = ConnectionState.Closed Then
    '      mycon.Open()
    ' End If
    'mycom2 = New SqlCommand(sqlstr, mycon)
    ' If mycom2.ExecuteScalar = 1 Then
    '    MessageBox.Show("已经存在该管理员的用户名!", "提醒", MessageBoxButtons.OK, MessageBoxIcon.Warning)
    '   TextBox1.Focus()
    '  Exit Sub
    ' End If
    ' mycon.Close()
    '     Catch ex As Exception
    '        MessageBox.Show(ex.Message)
    '   End Try
    ' End Sub

    '  Private Sub TextBox2_LostFocus(ByVal sender As Object, ByVal e As System.EventArgs) Handles TextBox2.LostFocus
    '     If TextBox2.Text = "" Then
    '        MessageBox.Show("密码不能为空!", "提醒", MessageBoxButtons.OK, MessageBoxIcon.Warning)
    '       TextBox2.Focus()
    '    Exit Sub
    '  End If
    '   End Sub

    Private Sub Button1_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button1.Click
        '增加按钮的代码
        If TextBox1.Text = "" Then
            MessageBox.Show("用户名不能为空！", "提醒", MessageBoxButtons.OK, MessageBoxIcon.Warning)
            TextBox2.Focus()
        End If
        If TextBox2.Text = "" Then
            MessageBox.Show("密码不能为空!", "提醒", MessageBoxButtons.OK, MessageBoxIcon.Warning)
            TextBox2.Focus()
            Exit Sub
        End If
        If TextBox2.Text <> TextBox3.Text Then
            MessageBox.Show("两次输入的密码不一致!", "提醒", MessageBoxButtons.OK, MessageBoxIcon.Warning)
            TextBox2.Focus()
            Exit Sub
        End If
        Try
            If mycon.State = ConnectionState.Closed Then
                mycon.Open()
            End If
            sqlstr = "insert into Administrator values('" & TextBox1.Text & "','" & TextBox2.Text & "')"
            mycom2 = New SqlCommand(sqlstr, mycon)
            mycom2.ExecuteNonQuery()
            MessageBox.Show("增加成功!", "提醒", MessageBoxButtons.OK, MessageBoxIcon.Information)
            mycon.Close()
        Catch ex As Exception
            MessageBox.Show(ex.Message)
        End Try
    End Sub

    Private Sub Button2_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Button2.Click
        '取消按钮的代码
        Me.Close()
    End Sub
End Class