form9.vb

奖学金评定系统

Imports System.Data
'引入数据库操作类命名空间
Imports System.Data.SqlClient
Public Class Form9
    Inherits System.Windows.Forms.Form
    Dim tablename As String = "jc"
#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 TextBox11 As System.Windows.Forms.TextBox
    Friend WithEvents TextBox10 As System.Windows.Forms.TextBox
    Friend WithEvents TextBox9 As System.Windows.Forms.TextBox
    Friend WithEvents TextBox8 As System.Windows.Forms.TextBox
    Friend WithEvents TextBox7 As System.Windows.Forms.TextBox
    Friend WithEvents Label20 As System.Windows.Forms.Label
    Friend WithEvents Label19 As System.Windows.Forms.Label
    Friend WithEvents Label18 As System.Windows.Forms.Label
    Friend WithEvents Label17 As System.Windows.Forms.Label
    Friend WithEvents Label16 As System.Windows.Forms.Label
    Friend WithEvents Button2 As System.Windows.Forms.Button
    Friend WithEvents Button1 As System.Windows.Forms.Button
    Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
    Friend WithEvents Label10 As System.Windows.Forms.Label
    Friend WithEvents ComboBox1 As System.Windows.Forms.ComboBox
    Friend WithEvents Label9 As System.Windows.Forms.Label
    Friend WithEvents GroupBox2 As System.Windows.Forms.GroupBox
    Friend WithEvents Button6 As System.Windows.Forms.Button
    Friend WithEvents Button5 As System.Windows.Forms.Button
    Friend WithEvents Button4 As System.Windows.Forms.Button
    Friend WithEvents Button3 As System.Windows.Forms.Button
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.TextBox11 = New System.Windows.Forms.TextBox
        Me.TextBox10 = New System.Windows.Forms.TextBox
        Me.TextBox9 = New System.Windows.Forms.TextBox
        Me.TextBox8 = New System.Windows.Forms.TextBox
        Me.TextBox7 = New System.Windows.Forms.TextBox
        Me.Label20 = New System.Windows.Forms.Label
        Me.Label19 = New System.Windows.Forms.Label
        Me.Label18 = New System.Windows.Forms.Label
        Me.Label17 = New System.Windows.Forms.Label
        Me.Label16 = New System.Windows.Forms.Label
        Me.Button2 = New System.Windows.Forms.Button
        Me.Button1 = New System.Windows.Forms.Button
        Me.TextBox1 = New System.Windows.Forms.TextBox
        Me.Label10 = New System.Windows.Forms.Label
        Me.ComboBox1 = New System.Windows.Forms.ComboBox
        Me.Label9 = New System.Windows.Forms.Label
        Me.GroupBox2 = New System.Windows.Forms.GroupBox
        Me.Button6 = New System.Windows.Forms.Button
        Me.Button5 = New System.Windows.Forms.Button
        Me.Button4 = New System.Windows.Forms.Button
        Me.Button3 = New System.Windows.Forms.Button
        Me.GroupBox2.SuspendLayout()
        Me.SuspendLayout()
        '
        'TextBox11
        '
        Me.TextBox11.Location = New System.Drawing.Point(84, 208)
        Me.TextBox11.Name = "TextBox11"
        Me.TextBox11.Size = New System.Drawing.Size(400, 21)
        Me.TextBox11.TabIndex = 28
        Me.TextBox11.Text = ""
        '
        'TextBox10
        '
        Me.TextBox10.Location = New System.Drawing.Point(84, 160)
        Me.TextBox10.Name = "TextBox10"
        Me.TextBox10.Size = New System.Drawing.Size(400, 21)
        Me.TextBox10.TabIndex = 27
        Me.TextBox10.Text = ""
        '
        'TextBox9
        '
        Me.TextBox9.Location = New System.Drawing.Point(84, 112)
        Me.TextBox9.Name = "TextBox9"
        Me.TextBox9.Size = New System.Drawing.Size(400, 21)
        Me.TextBox9.TabIndex = 26
        Me.TextBox9.Text = ""
        '
        'TextBox8
        '
        Me.TextBox8.Location = New System.Drawing.Point(84, 64)
        Me.TextBox8.Name = "TextBox8"
        Me.TextBox8.Size = New System.Drawing.Size(400, 21)
        Me.TextBox8.TabIndex = 25
        Me.TextBox8.Text = ""
        '
        'TextBox7
        '
        Me.TextBox7.Location = New System.Drawing.Point(84, 16)
        Me.TextBox7.Name = "TextBox7"
        Me.TextBox7.Size = New System.Drawing.Size(400, 21)
        Me.TextBox7.TabIndex = 24
        Me.TextBox7.Text = ""
        '
        'Label20
        '
        Me.Label20.Location = New System.Drawing.Point(12, 216)
        Me.Label20.Name = "Label20"
        Me.Label20.Size = New System.Drawing.Size(72, 16)
        Me.Label20.TabIndex = 23
        Me.Label20.Text = "备    注："
        '
        'Label19
        '
        Me.Label19.Location = New System.Drawing.Point(12, 168)
        Me.Label19.Name = "Label19"
        Me.Label19.Size = New System.Drawing.Size(72, 16)
        Me.Label19.TabIndex = 22
        Me.Label19.Text = "惩罚原因："
        '
        'Label18
        '
        Me.Label18.Location = New System.Drawing.Point(12, 120)
        Me.Label18.Name = "Label18"
        Me.Label18.Size = New System.Drawing.Size(72, 16)
        Me.Label18.TabIndex = 21
        Me.Label18.Text = "所得惩罚："
        '
        'Label17
        '
        Me.Label17.Location = New System.Drawing.Point(12, 72)
        Me.Label17.Name = "Label17"
        Me.Label17.Size = New System.Drawing.Size(72, 16)
        Me.Label17.TabIndex = 20
        Me.Label17.Text = "奖励原因："
        '
        'Label16
        '
        Me.Label16.Location = New System.Drawing.Point(12, 24)
        Me.Label16.Name = "Label16"
        Me.Label16.Size = New System.Drawing.Size(72, 16)
        Me.Label16.TabIndex = 19
        Me.Label16.Text = "所获奖励："
        '
        'Button2
        '
        Me.Button2.Location = New System.Drawing.Point(424, 256)
        Me.Button2.Name = "Button2"
        Me.Button2.Size = New System.Drawing.Size(56, 24)
        Me.Button2.TabIndex = 34
        Me.Button2.Text = "刷新"
        '
        'Button1
        '
        Me.Button1.Location = New System.Drawing.Point(344, 256)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(56, 24)
        Me.Button1.TabIndex = 33
        Me.Button1.Text = "查询"
        '
        'TextBox1
        '
        Me.TextBox1.Location = New System.Drawing.Point(240, 256)
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.Size = New System.Drawing.Size(80, 21)
        Me.TextBox1.TabIndex = 32
        Me.TextBox1.Text = ""
        '
        'Label10
        '
        Me.Label10.Location = New System.Drawing.Point(176, 264)
        Me.Label10.Name = "Label10"
        Me.Label10.Size = New System.Drawing.Size(56, 16)
        Me.Label10.TabIndex = 31
        Me.Label10.Text = "查询条件"
        '
        'ComboBox1
        '
        Me.ComboBox1.Items.AddRange(New Object() {"学号", "姓名"})
        Me.ComboBox1.Location = New System.Drawing.Point(72, 256)
        Me.ComboBox1.Name = "ComboBox1"
        Me.ComboBox1.Size = New System.Drawing.Size(80, 20)
        Me.ComboBox1.TabIndex = 30
        '
        'Label9
        '
        Me.Label9.Location = New System.Drawing.Point(8, 264)
        Me.Label9.Name = "Label9"
        Me.Label9.Size = New System.Drawing.Size(56, 16)
        Me.Label9.TabIndex = 29
        Me.Label9.Text = "查询方式"
        '
        'GroupBox2
        '
        Me.GroupBox2.Controls.Add(Me.Button6)
        Me.GroupBox2.Controls.Add(Me.Button5)
        Me.GroupBox2.Controls.Add(Me.Button4)
        Me.GroupBox2.Controls.Add(Me.Button3)
        Me.GroupBox2.Location = New System.Drawing.Point(8, 288)
        Me.GroupBox2.Name = "GroupBox2"
        Me.GroupBox2.Size = New System.Drawing.Size(480, 96)
        Me.GroupBox2.TabIndex = 35
        Me.GroupBox2.TabStop = False
        Me.GroupBox2.Text = "修改"
        '
        'Button6
        '
        Me.Button6.Location = New System.Drawing.Point(400, 40)
        Me.Button6.Name = "Button6"
        Me.Button6.Size = New System.Drawing.Size(64, 32)
        Me.Button6.TabIndex = 3
        Me.Button6.Text = "删除信息"
        '
        'Button5
        '
        Me.Button5.Location = New System.Drawing.Point(256, 40)
        Me.Button5.Name = "Button5"
        Me.Button5.Size = New System.Drawing.Size(88, 32)
        Me.Button5.TabIndex = 2
        Me.Button5.Text = "取消修改信息"
        '
        'Button4
        '
        Me.Button4.Location = New System.Drawing.Point(128, 40)
        Me.Button4.Name = "Button4"
        Me.Button4.Size = New System.Drawing.Size(64, 32)
        Me.Button4.TabIndex = 1
        Me.Button4.Text = "更新数据"
        '
        'Button3
        '
        Me.Button3.Location = New System.Drawing.Point(8, 40)
        Me.Button3.Name = "Button3"
        Me.Button3.Size = New System.Drawing.Size(64, 32)
        Me.Button3.TabIndex = 0
        Me.Button3.Text = "修改信息"
        '
        'Form9
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.ClientSize = New System.Drawing.Size(496, 389)
        Me.Controls.Add(Me.GroupBox2)
        Me.Controls.Add(Me.Button2)
        Me.Controls.Add(Me.Button1)
        Me.Controls.Add(Me.TextBox1)
        Me.Controls.Add(Me.Label10)
        Me.Controls.Add(Me.ComboBox1)
        Me.Controls.Add(Me.Label9)
        Me.Controls.Add(Me.TextBox11)
        Me.Controls.Add(Me.TextBox10)
        Me.Controls.Add(Me.TextBox9)
        Me.Controls.Add(Me.TextBox8)
        Me.Controls.Add(Me.TextBox7)
        Me.Controls.Add(Me.Label20)
        Me.Controls.Add(Me.Label19)
        Me.Controls.Add(Me.Label18)
        Me.Controls.Add(Me.Label17)
        Me.Controls.Add(Me.Label16)
        Me.Name = "Form9"
        Me.Text = "同学奖惩信息修改"
        Me.GroupBox2.ResumeLayout(False)
        Me.ResumeLayout(False)

    End Sub

#End Region
    Private Sub ShowData()
        Module1.myrow = Module1.mytable.Rows.Item(rownumber)
        
        TextBox7.Text = Module1.myrow.Item(2).ToString
        TextBox8.Text = Module1.myrow.Item(3).ToString
        TextBox9.Text = Module1.myrow.Item(4).ToString
        TextBox10.Text = Module1.myrow.Item(5).ToString
        TextBox11.Text = Module1.myrow.Item(6).ToString
       
    End Sub
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Try
            SearchSQL = "SELECT * FROM jc WHERE (" & ComboBox1.Text & "= '" & TextBox1.Text & "')"
            '建立查询
            Module1.ExecuteSQL(SearchSQL, tablename)
            ShowData()
        Catch
            MsgBox("不存在该记录！", vbOKOnly + vbExclamation, "警告")
        End Try
    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        ComboBox1.Text = ""
        TextBox9.Text = ""
    End Sub

    Private Sub Form9_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load

        TextBox9.Enabled = False
        TextBox10.Enabled = False
        TextBox8.Enabled = False
        TextBox7.Enabled = False
        TextBox11.Enabled = False
    End Sub

    Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click

        TextBox9.Enabled = True
        TextBox10.Enabled = True
        TextBox8.Enabled = True
        TextBox7.Enabled = True
        TextBox11.Enabled = True

    End Sub

    Private Sub Button4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button4.Click
        SearchSQL = "select * from jc"
        Module1.ExecuteSQL(SearchSQL, "jc")

        Module1.myrow.Item(2) = Trim(TextBox7.Text)
        Module1.myrow.Item(3) = Trim(TextBox8.Text)
        Module1.myrow.Item(4) = Trim(TextBox9.Text)
        Module1.myrow.Item(5) = Trim(TextBox10.Text)
        Module1.myrow.Item(6) = Trim(TextBox11.Text)


        Module1.mytable.GetChanges()
        Module1.cmd = New SqlCommandBuilder(Module1.ADOcmd)
        '使用自动生成的SQL语句
        Module1.ADOcmd.Update(Module1.ds, "jc")
        '对数据库进行更新
        MsgBox("修改同学信息成功！", vbOKOnly + vbExclamation, "警告")

        TextBox7.Enabled = False
        TextBox9.Enabled = False
        TextBox8.Enabled = False
        TextBox10.Enabled = False
        TextBox11.Enabled = False


    End Sub

    Private Sub Button5_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button5.Click
        TextBox7.Enabled = False
        TextBox9.Enabled = False
        TextBox8.Enabled = False
        TextBox10.Enabled = False
        TextBox11.Enabled = False
    End Sub

    Private Sub Button6_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button6.Click
        Module1.mytable.Rows.Item(rownumber).Delete()
        If MsgBox("确定要删除改记录吗？", MsgBoxStyle.OKCancel + vbExclamation, "警告") = MsgBoxResult.OK Then
            Module1.cmd = New SqlCommandBuilder(Module1.ADOcmd)
            '使用自动生成的SQL语句
            Module1.ADOcmd.Update(Module1.ds, "jc")
        Else
            Exit Sub
        End If

        TextBox9.Text = ""
        TextBox10.Text = ""
        TextBox8.Text = ""
        TextBox7.Text = ""
        TextBox11.Text = ""

        TextBox7.Enabled = False
        TextBox9.Enabled = False
        TextBox8.Enabled = False
        TextBox10.Enabled = False
        TextBox11.Enabled = False

        MsgBox("删除信息成功！", MsgBoxStyle.ApplicationModal, "提示")
    End Sub

End Class