frmemployeeview.vb

用VB.NET写的人员管理系统,可用于二次开发.

Public Class wquery
    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

        Dim myResult As Short
        myResult = OpenDb()
        Dim Mysql As String
        Mysql = "select * from employees"
        Myrec = Mydb.OpenRecordset(Mysql, DAO.RecordsetTypeEnum.dbOpenDynaset)
    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 Label2 As System.Windows.Forms.Label
    Friend WithEvents Label3 As System.Windows.Forms.Label
    Friend WithEvents Txtname As System.Windows.Forms.TextBox
    Friend WithEvents Txtno As System.Windows.Forms.TextBox
    Friend WithEvents Txttitle As System.Windows.Forms.TextBox
    Friend WithEvents Label4 As System.Windows.Forms.Label
    Friend WithEvents Cmbsearch As System.Windows.Forms.ComboBox
    Friend WithEvents Txtsearch As System.Windows.Forms.TextBox
    Friend WithEvents Btsearch As System.Windows.Forms.Button
    Friend WithEvents Btpre As System.Windows.Forms.Button
    Friend WithEvents Btnext As System.Windows.Forms.Button
    Friend WithEvents Btfirst As System.Windows.Forms.Button
    Friend WithEvents Btlast As System.Windows.Forms.Button
    Friend WithEvents Btexit As System.Windows.Forms.Button
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.Label1 = New System.Windows.Forms.Label
        Me.Label2 = New System.Windows.Forms.Label
        Me.Label3 = New System.Windows.Forms.Label
        Me.Btpre = New System.Windows.Forms.Button
        Me.Btnext = New System.Windows.Forms.Button
        Me.Btfirst = New System.Windows.Forms.Button
        Me.Btlast = New System.Windows.Forms.Button
        Me.Txtname = New System.Windows.Forms.TextBox
        Me.Txtno = New System.Windows.Forms.TextBox
        Me.Txttitle = New System.Windows.Forms.TextBox
        Me.Label4 = New System.Windows.Forms.Label
        Me.Cmbsearch = New System.Windows.Forms.ComboBox
        Me.Txtsearch = New System.Windows.Forms.TextBox
        Me.Btsearch = New System.Windows.Forms.Button
        Me.Btexit = New System.Windows.Forms.Button
        Me.SuspendLayout()
        '
        'Label1
        '
        Me.Label1.Location = New System.Drawing.Point(24, 32)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(88, 24)
        Me.Label1.TabIndex = 0
        Me.Label1.Text = "姓名"
        '
        'Label2
        '
        Me.Label2.Location = New System.Drawing.Point(16, 80)
        Me.Label2.Name = "Label2"
        Me.Label2.Size = New System.Drawing.Size(96, 24)
        Me.Label2.TabIndex = 1
        Me.Label2.Text = "工号"
        '
        'Label3
        '
        Me.Label3.Location = New System.Drawing.Point(16, 120)
        Me.Label3.Name = "Label3"
        Me.Label3.TabIndex = 2
        Me.Label3.Text = "职称"
        '
        'Btpre
        '
        Me.Btpre.Location = New System.Drawing.Point(32, 176)
        Me.Btpre.Name = "Btpre"
        Me.Btpre.TabIndex = 3
        Me.Btpre.Text = "上一条"
        '
        'Btnext
        '
        Me.Btnext.Location = New System.Drawing.Point(160, 176)
        Me.Btnext.Name = "Btnext"
        Me.Btnext.TabIndex = 4
        Me.Btnext.Text = "下一条"
        '
        'Btfirst
        '
        Me.Btfirst.Location = New System.Drawing.Point(32, 208)
        Me.Btfirst.Name = "Btfirst"
        Me.Btfirst.TabIndex = 5
        Me.Btfirst.Text = "第一条"
        '
        'Btlast
        '
        Me.Btlast.Location = New System.Drawing.Point(160, 208)
        Me.Btlast.Name = "Btlast"
        Me.Btlast.TabIndex = 6
        Me.Btlast.Text = "最未条"
        '
        'Txtname
        '
        Me.Txtname.Location = New System.Drawing.Point(136, 40)
        Me.Txtname.Name = "Txtname"
        Me.Txtname.Size = New System.Drawing.Size(136, 21)
        Me.Txtname.TabIndex = 7
        Me.Txtname.Text = ""
        '
        'Txtno
        '
        Me.Txtno.Location = New System.Drawing.Point(136, 80)
        Me.Txtno.Name = "Txtno"
        Me.Txtno.Size = New System.Drawing.Size(136, 21)
        Me.Txtno.TabIndex = 8
        Me.Txtno.Text = ""
        '
        'Txttitle
        '
        Me.Txttitle.Location = New System.Drawing.Point(136, 120)
        Me.Txttitle.Name = "Txttitle"
        Me.Txttitle.Size = New System.Drawing.Size(136, 21)
        Me.Txttitle.TabIndex = 9
        Me.Txttitle.Text = ""
        '
        'Label4
        '
        Me.Label4.Location = New System.Drawing.Point(8, 256)
        Me.Label4.Name = "Label4"
        Me.Label4.Size = New System.Drawing.Size(72, 23)
        Me.Label4.TabIndex = 10
        Me.Label4.Text = "查询条件"
        '
        'Cmbsearch
        '
        Me.Cmbsearch.Items.AddRange(New Object() {"姓名", "职工号"})
        Me.Cmbsearch.Location = New System.Drawing.Point(88, 256)
        Me.Cmbsearch.Name = "Cmbsearch"
        Me.Cmbsearch.Size = New System.Drawing.Size(88, 20)
        Me.Cmbsearch.TabIndex = 11
        '
        'Txtsearch
        '
        Me.Txtsearch.Location = New System.Drawing.Point(192, 256)
        Me.Txtsearch.Name = "Txtsearch"
        Me.Txtsearch.Size = New System.Drawing.Size(72, 21)
        Me.Txtsearch.TabIndex = 12
        Me.Txtsearch.Text = ""
        '
        'Btsearch
        '
        Me.Btsearch.Location = New System.Drawing.Point(280, 256)
        Me.Btsearch.Name = "Btsearch"
        Me.Btsearch.Size = New System.Drawing.Size(72, 24)
        Me.Btsearch.TabIndex = 13
        Me.Btsearch.Text = "查询"
        '
        'Btexit
        '
        Me.Btexit.Location = New System.Drawing.Point(280, 208)
        Me.Btexit.Name = "Btexit"
        Me.Btexit.Size = New System.Drawing.Size(72, 24)
        Me.Btexit.TabIndex = 14
        Me.Btexit.Text = "退出"
        '
        'wquery
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.ClientSize = New System.Drawing.Size(376, 326)
        Me.Controls.Add(Me.Btexit)
        Me.Controls.Add(Me.Btsearch)
        Me.Controls.Add(Me.Txtsearch)
        Me.Controls.Add(Me.Cmbsearch)
        Me.Controls.Add(Me.Label4)
        Me.Controls.Add(Me.Txttitle)
        Me.Controls.Add(Me.Txtno)
        Me.Controls.Add(Me.Txtname)
        Me.Controls.Add(Me.Btlast)
        Me.Controls.Add(Me.Btfirst)
        Me.Controls.Add(Me.Btnext)
        Me.Controls.Add(Me.Btpre)
        Me.Controls.Add(Me.Label3)
        Me.Controls.Add(Me.Label2)
        Me.Controls.Add(Me.Label1)
        Me.Name = "wquery"
        Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen
        Me.Text = "员工查询"
        Me.ResumeLayout(False)

    End Sub

#End Region
    
     

    Private Sub wquery_Activated(ByVal sender As Object, ByVal e As System.EventArgs) Handles MyBase.Activated
        
        Txtname.Text = Myrec.Fields(1).Value
        Txtno.Text = Myrec.Fields(0).Value
        Txttitle.Text = Myrec.Fields(3).Value

    End Sub

    Private Sub Btpre_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Btpre.Click
        If Myrec.BOF = True Then
            MsgBox("已是第一条记录")
            Exit Sub
        Else
            Myrec.MovePrevious()
            If Myrec.BOF = True Then
                MsgBox("已是第一条记录")
                Exit Sub
            End If
        End If
        Txtname.Text = Myrec.Fields(1).Value
        Txtno.Text = Myrec.Fields(0).Value
        Txttitle.Text = Myrec.Fields(3).Value
    End Sub

    Private Sub Btnext_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Btnext.Click
        If Myrec.EOF Then
            MsgBox("已经是最后一条记录")
            Exit Sub
        Else
            Myrec.MoveNext()
            If Myrec.EOF = True Then
                MsgBox("已经是最后一条记录")
                Exit Sub
            End If
        End If
        Txtname.Text = Myrec.Fields(1).Value
        Txtno.Text = Myrec.Fields(0).Value
        Txttitle.Text = Myrec.Fields(3).Value
    End Sub

    Private Sub Btfirst_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Btfirst.Click
        Myrec.MoveFirst()
        Txtname.Text = Myrec.Fields(1).Value
        Txtno.Text = Myrec.Fields(0).Value
        Txttitle.Text = Myrec.Fields(3).Value
    End Sub

    Private Sub Btlast_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Btlast.Click
        Myrec.MoveLast()
        Txtname.Text = Myrec.Fields(1).Value
        Txtno.Text = Myrec.Fields(0).Value
        Txttitle.Text = Myrec.Fields(3).Value
    End Sub

    Private Sub Btexit_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Btexit.Click
        Me.Close()
    End Sub

    Private Sub Btsearch_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Btsearch.Click

        Dim strstem As String
        Dim dbstr As String
        strstem = Txtsearch.Text
        If Cmbsearch.Text = "姓名" Then
            dbstr = "select * from employees where LastName='" & strstem & "'"
            MsgBox(dbstr)
        ElseIf Cmbsearch.Text = "职工号" Then
            dbstr = "select * from employees where EmployeeID=" & strstem & ""
        ElseIf Cmbsearch.Text = "" Then
            MsgBox("请先选择查询条件")
        End If

        Myrec = Mydb.OpenRecordset(dbstr, DAO.RecordsetTypeEnum.dbOpenDynaset)
        If Myrec.EOF = True Then
            If Cmbsearch.Text = "姓名" Then
                MsgBox("没有查询到该职工信息，您的查询条件是姓名，您输入的是" & strstem & "")
            ElseIf Cmbsearch.Text = "职工号" Then
                MsgBox("没有查询到该职工信息，您的查询条件是职工号，您输入的是" & strstem & "")
            End If
        Else
            Txtname.Text = Myrec.Fields(1).Value
            Txtno.Text = Myrec.Fields(0).Value
            Txttitle.Text = Myrec.Fields(3).Value
        End If
        Myrec.Close()
        Myrec = Nothing
        Call OpenDb()
    End Sub

    Private Sub wquery_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

    End Sub
End Class