ed.vb

这是电脑销售管理系统

Imports System.Data
Imports System.Data.OleDb
Public Class ed
    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 Sell_ID as 主键,Sell_a as 处理器,Sell_b as DVD,Sell_g as 内存,Sell_j as 网卡,Sell_k as 显卡,Sell_l as 显示器,Sell_m as 硬盘,Sell_n as 音箱,Sell_o as 主板,Total as 总金额,BON as 装机状态 From SELL_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

#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 Button2 As System.Windows.Forms.Button
    Friend WithEvents Button1 As System.Windows.Forms.Button
    Friend WithEvents DataGrid1 As System.Windows.Forms.DataGrid
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.Button2 = New System.Windows.Forms.Button
        Me.Button1 = New System.Windows.Forms.Button
        Me.DataGrid1 = New System.Windows.Forms.DataGrid
        CType(Me.DataGrid1, System.ComponentModel.ISupportInitialize).BeginInit()
        Me.SuspendLayout()
        '
        '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(784, 312)
        Me.Button2.Name = "Button2"
        Me.Button2.Size = New System.Drawing.Size(64, 24)
        Me.Button2.TabIndex = 34
        Me.Button2.Text = "退  出"
        '
        '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(688, 312)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(72, 24)
        Me.Button1.TabIndex = 33
        Me.Button1.Text = "修 改 "
        '
        '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.BorderStyle = System.Windows.Forms.BorderStyle.None
        Me.DataGrid1.CaptionBackColor = System.Drawing.SystemColors.Control
        Me.DataGrid1.DataMember = ""
        Me.DataGrid1.HeaderForeColor = System.Drawing.SystemColors.ControlText
        Me.DataGrid1.Location = New System.Drawing.Point(0, -13)
        Me.DataGrid1.Name = "DataGrid1"
        Me.DataGrid1.Size = New System.Drawing.Size(856, 304)
        Me.DataGrid1.TabIndex = 32
        '
        'ed
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.ClientSize = New System.Drawing.Size(856, 349)
        Me.Controls.Add(Me.Button2)
        Me.Controls.Add(Me.Button1)
        Me.Controls.Add(Me.DataGrid1)
        Me.Name = "ed"
        Me.Text = "备货装机"
        Me.WindowState = System.Windows.Forms.FormWindowState.Maximized
        CType(Me.DataGrid1, System.ComponentModel.ISupportInitialize).EndInit()
        Me.ResumeLayout(False)

    End Sub

#End Region

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

    Private Sub ed_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        Try
            If MyConnection.State = ConnectionState.Closed Then
                MyConnection.Open()
            End If
        Catch ex As Exception
            MsgBox(ex.Message.ToString)
        End Try
        Mydapater.Fill(MyDataset, "MoSell_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 Cmm As New OleDbCommandBuilder(Mydapater)
        Mydapater.Update(MyDataset, "MoSell_Table")
        Mydapater.Dispose()
        MyCommand.Dispose()
        MyConnection.Close()
        MySQL.Clone()
    End Sub
End Class