bb.vb

这是电脑销售管理系统

Imports System.Data
Imports System.Data.OleDb
Public Class bb
    Inherits System.Windows.Forms.Form
    Dim MyConnectionstr As String = "Provider=Microsoft.JET.OLEDB.4.0;Data Source=" & Application.StartupPath & "\Sellsystem.mdb"
    Dim MySQL As String = "Select Staff_ID as 主键, Staff_UID as 员工昵称,Staff_Name as 员工姓名,Staff_Address as 员工地址,Staff_Telephone as 员工电话,Staff_Department as 员工部门 From Staff_Table"
    Dim MyConnection As New OleDbConnection(MyConnectionstr)
    Dim MyCommand As New OleDbCommand(MySQL, MyConnection)
    Dim Mydapater As New OleDbDataAdapter(MyCommand)
    Dim MyDataset As New DataSet
    Dim MyRow As DataRow

#Region " Windows Form Designer generated code "

    Public Sub New()
        MyBase.New()

        'This call is required by the Windows Form Designer.
        InitializeComponent()

        'Add any initialization after the InitializeComponent() call

    End Sub

    'Form overrides dispose to clean up the component list.
    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

    'Required by the Windows Form Designer
    Private components As System.ComponentModel.IContainer

    'NOTE: The following procedure is required by the Windows Form Designer
    'It can be modified using the Windows Form Designer.  
    'Do not modify it using the code editor.
    Friend WithEvents DataGrid1 As System.Windows.Forms.DataGrid
    Friend WithEvents Button1 As System.Windows.Forms.Button
    Friend WithEvents Button2 As System.Windows.Forms.Button
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.DataGrid1 = New System.Windows.Forms.DataGrid
        Me.Button1 = New System.Windows.Forms.Button
        Me.Button2 = New System.Windows.Forms.Button
        CType(Me.DataGrid1, System.ComponentModel.ISupportInitialize).BeginInit()
        Me.SuspendLayout()
        '
        'DataGrid1
        '
        Me.DataGrid1.Anchor = CType((((System.Windows.Forms.AnchorStyles.Top Or System.Windows.Forms.AnchorStyles.Bottom) _
                    Or System.Windows.Forms.AnchorStyles.Left) _
                    Or System.Windows.Forms.AnchorStyles.Right), System.Windows.Forms.AnchorStyles)
        Me.DataGrid1.DataMember = ""
        Me.DataGrid1.HeaderForeColor = System.Drawing.SystemColors.ControlText
        Me.DataGrid1.Location = New System.Drawing.Point(0, -16)
        Me.DataGrid1.Name = "DataGrid1"
        Me.DataGrid1.Size = New System.Drawing.Size(760, 240)
        Me.DataGrid1.TabIndex = 0
        '
        'Button1
        '
        Me.Button1.Anchor = CType((System.Windows.Forms.AnchorStyles.Bottom Or System.Windows.Forms.AnchorStyles.Right), System.Windows.Forms.AnchorStyles)
        Me.Button1.Location = New System.Drawing.Point(560, 240)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(88, 24)
        Me.Button1.TabIndex = 1
        Me.Button1.Text = "辞职操作"
        '
        'Button2
        '
        Me.Button2.Anchor = CType((System.Windows.Forms.AnchorStyles.Bottom Or System.Windows.Forms.AnchorStyles.Right), System.Windows.Forms.AnchorStyles)
        Me.Button2.Location = New System.Drawing.Point(672, 240)
        Me.Button2.Name = "Button2"
        Me.Button2.Size = New System.Drawing.Size(72, 24)
        Me.Button2.TabIndex = 2
        Me.Button2.Text = "关闭退出"
        '
        'bb
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.ClientSize = New System.Drawing.Size(752, 273)
        Me.Controls.Add(Me.Button2)
        Me.Controls.Add(Me.Button1)
        Me.Controls.Add(Me.DataGrid1)
        Me.Name = "bb"
        Me.Text = "辞职员工"
        Me.WindowState = System.Windows.Forms.FormWindowState.Maximized
        CType(Me.DataGrid1, System.ComponentModel.ISupportInitialize).EndInit()
        Me.ResumeLayout(False)

    End Sub

#End Region

    Private Sub bb_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        If MyConnection.State = ConnectionState.Closed Then
            MyConnection.Open()
        End If
        Mydapater.Fill(MyDataset, "Staff_Table")
        DataGrid1.DataSource = MyDataset.Tables(0)
    End Sub

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Dim i As Integer
        If MyConnection.State = ConnectionState.Closed Then
            MyConnection.Open()
        End If
        i = DataGrid1.Item(DataGrid1.CurrentCell)
        Dim MySQLdel As String = "Delete * From Staff_Table Where Staff_ID=" & i
        MyDataset.Tables(0).Rows.RemoveAt(DataGrid1.CurrentRowIndex)
        Dim MyComm As New OleDbCommand(MySQLdel, MyConnection)
        MyComm.ExecuteNonQuery()
    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        MyDataset.Reset()
        MyDataset.Dispose()
        MyCommand.Dispose()
        Mydapater.Dispose()
        Close()
    End Sub
End Class