修改班级.vb

Here we are at the crossroads once again Youre telling me youre so confused You cant make up your

Public Class frmUpdateClass
    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 GroupBox1 As System.Windows.Forms.GroupBox
    Friend WithEvents ComboBox1 As System.Windows.Forms.ComboBox
    Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
    Friend WithEvents Label6 As System.Windows.Forms.Label
    Friend WithEvents Label5 As System.Windows.Forms.Label
    Friend WithEvents Label4 As System.Windows.Forms.Label
    Friend WithEvents Label3 As System.Windows.Forms.Label
    Friend WithEvents Label2 As System.Windows.Forms.Label
    Friend WithEvents Label1 As System.Windows.Forms.Label
    Friend WithEvents TextBox2 As System.Windows.Forms.TextBox
    Friend WithEvents TextBox4 As System.Windows.Forms.TextBox
    Friend WithEvents TextBox6 As System.Windows.Forms.TextBox
    Friend WithEvents ComboBox2 As System.Windows.Forms.ComboBox
    Friend WithEvents Button1 As System.Windows.Forms.Button
    Friend WithEvents Button2 As System.Windows.Forms.Button
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.GroupBox1 = New System.Windows.Forms.GroupBox
        Me.ComboBox1 = New System.Windows.Forms.ComboBox
        Me.TextBox1 = New System.Windows.Forms.TextBox
        Me.Label6 = New System.Windows.Forms.Label
        Me.Label5 = New System.Windows.Forms.Label
        Me.Label4 = New System.Windows.Forms.Label
        Me.Label3 = New System.Windows.Forms.Label
        Me.Label2 = New System.Windows.Forms.Label
        Me.Label1 = New System.Windows.Forms.Label
        Me.TextBox2 = New System.Windows.Forms.TextBox
        Me.TextBox4 = New System.Windows.Forms.TextBox
        Me.TextBox6 = New System.Windows.Forms.TextBox
        Me.ComboBox2 = New System.Windows.Forms.ComboBox
        Me.Button1 = New System.Windows.Forms.Button
        Me.Button2 = New System.Windows.Forms.Button
        Me.GroupBox1.SuspendLayout()
        Me.SuspendLayout()
        '
        'GroupBox1
        '
        Me.GroupBox1.Controls.Add(Me.ComboBox1)
        Me.GroupBox1.Controls.Add(Me.TextBox1)
        Me.GroupBox1.Controls.Add(Me.Label6)
        Me.GroupBox1.Controls.Add(Me.Label5)
        Me.GroupBox1.Controls.Add(Me.Label4)
        Me.GroupBox1.Controls.Add(Me.Label3)
        Me.GroupBox1.Controls.Add(Me.Label2)
        Me.GroupBox1.Controls.Add(Me.Label1)
        Me.GroupBox1.Controls.Add(Me.TextBox2)
        Me.GroupBox1.Controls.Add(Me.TextBox4)
        Me.GroupBox1.Controls.Add(Me.TextBox6)
        Me.GroupBox1.Controls.Add(Me.ComboBox2)
        Me.GroupBox1.Location = New System.Drawing.Point(8, 8)
        Me.GroupBox1.Name = "GroupBox1"
        Me.GroupBox1.Size = New System.Drawing.Size(392, 184)
        Me.GroupBox1.TabIndex = 20
        Me.GroupBox1.TabStop = False
        Me.GroupBox1.Text = "班级信息修改"
        '
        'ComboBox1
        '
        Me.ComboBox1.Location = New System.Drawing.Point(80, 54)
        Me.ComboBox1.Name = "ComboBox1"
        Me.ComboBox1.Size = New System.Drawing.Size(121, 20)
        Me.ComboBox1.TabIndex = 18
        '
        'TextBox1
        '
        Me.TextBox1.BackColor = System.Drawing.SystemColors.HighlightText
        Me.TextBox1.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle
        Me.TextBox1.Location = New System.Drawing.Point(80, 22)
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.ReadOnly = True
        Me.TextBox1.Size = New System.Drawing.Size(120, 21)
        Me.TextBox1.TabIndex = 16
        Me.TextBox1.Text = ""
        '
        'Label6
        '
        Me.Label6.AutoSize = True
        Me.Label6.Location = New System.Drawing.Point(32, 119)
        Me.Label6.Name = "Label6"
        Me.Label6.Size = New System.Drawing.Size(35, 17)
        Me.Label6.TabIndex = 12
        Me.Label6.Text = "备注:"
        Me.Label6.TextAlign = System.Drawing.ContentAlignment.BottomCenter
        '
        'Label5
        '
        Me.Label5.AutoSize = True
        Me.Label5.Location = New System.Drawing.Point(32, 87)
        Me.Label5.Name = "Label5"
        Me.Label5.Size = New System.Drawing.Size(35, 17)
        Me.Label5.TabIndex = 11
        Me.Label5.Text = "班导:"
        Me.Label5.TextAlign = System.Drawing.ContentAlignment.BottomCenter
        '
        'Label4
        '
        Me.Label4.AutoSize = True
        Me.Label4.Location = New System.Drawing.Point(240, 56)
        Me.Label4.Name = "Label4"
        Me.Label4.Size = New System.Drawing.Size(35, 17)
        Me.Label4.TabIndex = 10
        Me.Label4.Text = "人数:"
        Me.Label4.TextAlign = System.Drawing.ContentAlignment.BottomCenter
        '
        'Label3
        '
        Me.Label3.AutoSize = True
        Me.Label3.Location = New System.Drawing.Point(16, 54)
        Me.Label3.Name = "Label3"
        Me.Label3.Size = New System.Drawing.Size(60, 17)
        Me.Label3.TabIndex = 9
        Me.Label3.Text = "所属学院:"
        Me.Label3.TextAlign = System.Drawing.ContentAlignment.BottomCenter
        '
        'Label2
        '
        Me.Label2.AutoSize = True
        Me.Label2.Location = New System.Drawing.Point(216, 24)
        Me.Label2.Name = "Label2"
        Me.Label2.Size = New System.Drawing.Size(60, 17)
        Me.Label2.TabIndex = 8
        Me.Label2.Text = "班级名称:"
        Me.Label2.TextAlign = System.Drawing.ContentAlignment.BottomCenter
        '
        'Label1
        '
        Me.Label1.AutoSize = True
        Me.Label1.Location = New System.Drawing.Point(16, 24)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(60, 17)
        Me.Label1.TabIndex = 7
        Me.Label1.Text = "班级编号:"
        Me.Label1.TextAlign = System.Drawing.ContentAlignment.BottomCenter
        '
        'TextBox2
        '
        Me.TextBox2.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle
        Me.TextBox2.Location = New System.Drawing.Point(280, 24)
        Me.TextBox2.Name = "TextBox2"
        Me.TextBox2.TabIndex = 17
        Me.TextBox2.Text = ""
        '
        'TextBox4
        '
        Me.TextBox4.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle
        Me.TextBox4.Location = New System.Drawing.Point(280, 56)
        Me.TextBox4.Name = "TextBox4"
        Me.TextBox4.TabIndex = 13
        Me.TextBox4.Text = ""
        '
        'TextBox6
        '
        Me.TextBox6.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle
        Me.TextBox6.Location = New System.Drawing.Point(80, 119)
        Me.TextBox6.Multiline = True
        Me.TextBox6.Name = "TextBox6"
        Me.TextBox6.Size = New System.Drawing.Size(272, 56)
        Me.TextBox6.TabIndex = 15
        Me.TextBox6.Text = ""
        '
        'ComboBox2
        '
        Me.ComboBox2.Location = New System.Drawing.Point(80, 86)
        Me.ComboBox2.Name = "ComboBox2"
        Me.ComboBox2.Size = New System.Drawing.Size(121, 20)
        Me.ComboBox2.TabIndex = 18
        '
        'Button1
        '
        Me.Button1.FlatStyle = System.Windows.Forms.FlatStyle.Flat
        Me.Button1.Location = New System.Drawing.Point(236, 201)
        Me.Button1.Name = "Button1"
        Me.Button1.TabIndex = 22
        Me.Button1.Text = "修改"
        Me.Button1.TextAlign = System.Drawing.ContentAlignment.TopCenter
        '
        'Button2
        '
        Me.Button2.FlatStyle = System.Windows.Forms.FlatStyle.Flat
        Me.Button2.Location = New System.Drawing.Point(324, 201)
        Me.Button2.Name = "Button2"
        Me.Button2.TabIndex = 21
        Me.Button2.Text = "取消"
        Me.Button2.TextAlign = System.Drawing.ContentAlignment.TopCenter
        '
        'frmUpdateClass
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.BackColor = System.Drawing.SystemColors.InactiveCaptionText
        Me.ClientSize = New System.Drawing.Size(408, 238)
        Me.Controls.Add(Me.GroupBox1)
        Me.Controls.Add(Me.Button1)
        Me.Controls.Add(Me.Button2)
        Me.FormBorderStyle = System.Windows.Forms.FormBorderStyle.Fixed3D
        Me.Name = "frmUpdateClass"
        Me.Opacity = 0.9
        Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen
        Me.Text = "班级修改"
        Me.GroupBox1.ResumeLayout(False)
        Me.ResumeLayout(False)

    End Sub

#End Region

    Private Sub frmUpdateClass_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        Dim ds As New DataSet
        Dim ds1 As New DataSet
        Dim DepI, i As Integer
        sql.DBToDS("select * from Department", ds, "dep")
        sql.DBToDS("select * from Teacher", ds1, "teacher")
        For DepI = 0 To ds.Tables("dep").Rows.Count - 1
            ComboBox1.Items.Add(ds.Tables("dep").Rows(i)(1))
        Next

        For i = 0 To ds1.Tables("teacher").Rows.Count - 1
            ComboBox2.Items.Add(ds1.Tables("teacher").Rows(i)(1))
        Next

        TextBox1.Text = Classitem.Text
        TextBox2.Text = Classitem.SubItems(1).Text
        ComboBox1.Text = Classitem.SubItems(2).Text
        TextBox4.Text = Classitem.SubItems(3).Text
        ComboBox2.Text = Classitem.SubItems(4).Text
        TextBox6.Text = Classitem.SubItems(5).Text

        sql.SQLDataReader("select * from Department where Dep_Name='" & ComboBox1.Text & "'")
        While sql.SQLDR.Read
            DepID = sql.SQLDR.GetValue(0)
        End While
        sql.SQLDR.Close()

        sql.SQLDataReader("select * from Teacher where Tea_Name='" & ComboBox2.Text & "'")
        While sql.SQLDR.Read
            ChargerID = sql.SQLDR.GetValue(0)
        End While
        sql.SQLDR.Close()
    End Sub
    Dim DepID As String
    Dim ChargerID As String
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Dim cmd As New SqlClient.SqlCommand
        cmd.CommandText = "up_UpdateClass"
        cmd.Parameters.Add("@Id", SqlDbType.NVarChar).Value = TextBox1.Text
        cmd.Parameters.Add("@Name", SqlDbType.NVarChar).Value = TextBox2.Text
        cmd.Parameters.Add("@dep", SqlDbType.NVarChar).Value = DepID
        cmd.Parameters.Add("@count", SqlDbType.Int).Value = TextBox4.Text
        cmd.Parameters.Add("@charger", SqlDbType.NVarChar).Value = ChargerID
        cmd.Parameters.Add("@memo", SqlDbType.NText).Value = TextBox6.Text
        If sql.SP_SQLCommand(cmd) > 0 Then
            MsgBox("班级信息修改成功!")
        Else
            MsgBox("班级信息修改失败!")
        End If
    End Sub

    Private Sub ComboBox1_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ComboBox1.SelectedIndexChanged
        sql.SQLDataReader("select * from Department where Dep_Name='" & ComboBox1.Text & "'")
        While sql.SQLDR.Read
            DepID = sql.SQLDR.GetValue(0)
        End While
        sql.SQLDR.Close()
    End Sub

    Private Sub ComboBox2_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ComboBox2.SelectedIndexChanged
        sql.SQLDataReader("select * from Teacher where Tea_Name='" & ComboBox2.Text & "'")
        While sql.SQLDR.Read
            ChargerID = sql.SQLDR.GetValue(0)
        End While
        sql.SQLDR.Close()
    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        Me.Close()
    End Sub
End Class