xscx.vb

不知道怎么用

Imports System.Data
Imports System.Data.SqlClient
Public Class xscx
    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 panel2 As System.Windows.Forms.Panel
    Friend WithEvents button2 As System.Windows.Forms.Button
    Friend WithEvents dataGrid2 As System.Windows.Forms.DataGrid
    Friend WithEvents label2 As System.Windows.Forms.Label
    Friend WithEvents groupBox1 As System.Windows.Forms.GroupBox
    Friend WithEvents button3 As System.Windows.Forms.Button
    Friend WithEvents textBox1 As System.Windows.Forms.TextBox
    Friend WithEvents comboBox1 As System.Windows.Forms.ComboBox
    Friend WithEvents label3 As System.Windows.Forms.Label
    Friend WithEvents panel1 As System.Windows.Forms.Panel
    Friend WithEvents button1 As System.Windows.Forms.Button
    Friend WithEvents label1 As System.Windows.Forms.Label
    Friend WithEvents Panel3 As System.Windows.Forms.Panel
    Friend WithEvents DataGrid1 As System.Windows.Forms.DataGrid
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.panel2 = New System.Windows.Forms.Panel
        Me.button2 = New System.Windows.Forms.Button
        Me.dataGrid2 = New System.Windows.Forms.DataGrid
        Me.label2 = New System.Windows.Forms.Label
        Me.groupBox1 = New System.Windows.Forms.GroupBox
        Me.button3 = New System.Windows.Forms.Button
        Me.textBox1 = New System.Windows.Forms.TextBox
        Me.comboBox1 = New System.Windows.Forms.ComboBox
        Me.label3 = New System.Windows.Forms.Label
        Me.panel1 = New System.Windows.Forms.Panel
        Me.Panel3 = New System.Windows.Forms.Panel
        Me.DataGrid1 = New System.Windows.Forms.DataGrid
        Me.button1 = New System.Windows.Forms.Button
        Me.label1 = New System.Windows.Forms.Label
        Me.panel2.SuspendLayout()
        CType(Me.dataGrid2, System.ComponentModel.ISupportInitialize).BeginInit()
        Me.groupBox1.SuspendLayout()
        Me.panel1.SuspendLayout()
        Me.Panel3.SuspendLayout()
        CType(Me.DataGrid1, System.ComponentModel.ISupportInitialize).BeginInit()
        Me.SuspendLayout()
        '
        'panel2
        '
        Me.panel2.Controls.Add(Me.button2)
        Me.panel2.Controls.Add(Me.dataGrid2)
        Me.panel2.Controls.Add(Me.label2)
        Me.panel2.Dock = System.Windows.Forms.DockStyle.Bottom
        Me.panel2.Location = New System.Drawing.Point(0, 286)
        Me.panel2.Name = "panel2"
        Me.panel2.Size = New System.Drawing.Size(512, 152)
        Me.panel2.TabIndex = 5
        '
        'button2
        '
        Me.button2.Location = New System.Drawing.Point(424, 8)
        Me.button2.Name = "button2"
        Me.button2.TabIndex = 3
        Me.button2.Text = "打印预览"
        '
        'dataGrid2
        '
        Me.dataGrid2.CaptionVisible = False
        Me.dataGrid2.DataMember = ""
        Me.dataGrid2.HeaderForeColor = System.Drawing.SystemColors.ControlText
        Me.dataGrid2.Location = New System.Drawing.Point(0, 32)
        Me.dataGrid2.Name = "dataGrid2"
        Me.dataGrid2.ReadOnly = True
        Me.dataGrid2.Size = New System.Drawing.Size(512, 112)
        Me.dataGrid2.TabIndex = 1
        '
        'label2
        '
        Me.label2.Location = New System.Drawing.Point(196, 8)
        Me.label2.Name = "label2"
        Me.label2.Size = New System.Drawing.Size(112, 24)
        Me.label2.TabIndex = 0
        Me.label2.Text = "学生学期注册情况"
        '
        'groupBox1
        '
        Me.groupBox1.Controls.Add(Me.button3)
        Me.groupBox1.Controls.Add(Me.textBox1)
        Me.groupBox1.Controls.Add(Me.comboBox1)
        Me.groupBox1.Controls.Add(Me.label3)
        Me.groupBox1.Dock = System.Windows.Forms.DockStyle.Top
        Me.groupBox1.Location = New System.Drawing.Point(0, 0)
        Me.groupBox1.Name = "groupBox1"
        Me.groupBox1.Size = New System.Drawing.Size(512, 80)
        Me.groupBox1.TabIndex = 3
        Me.groupBox1.TabStop = False
        Me.groupBox1.Text = "查询条件"
        '
        'button3
        '
        Me.button3.Location = New System.Drawing.Point(384, 40)
        Me.button3.Name = "button3"
        Me.button3.TabIndex = 3
        Me.button3.Text = "查  询"
        '
        'textBox1
        '
        Me.textBox1.Location = New System.Drawing.Point(264, 40)
        Me.textBox1.Name = "textBox1"
        Me.textBox1.TabIndex = 2
        Me.textBox1.Text = ""
        '
        'comboBox1
        '
        Me.comboBox1.Items.AddRange(New Object() {"学号", "姓名"})
        Me.comboBox1.Location = New System.Drawing.Point(120, 40)
        Me.comboBox1.Name = "comboBox1"
        Me.comboBox1.Size = New System.Drawing.Size(121, 20)
        Me.comboBox1.TabIndex = 1
        Me.comboBox1.Text = "请选择"
        '
        'label3
        '
        Me.label3.Location = New System.Drawing.Point(16, 40)
        Me.label3.Name = "label3"
        Me.label3.TabIndex = 0
        Me.label3.Text = "查询条件："
        Me.label3.TextAlign = System.Drawing.ContentAlignment.MiddleRight
        '
        'panel1
        '
        Me.panel1.Controls.Add(Me.Panel3)
        Me.panel1.Controls.Add(Me.button1)
        Me.panel1.Controls.Add(Me.label1)
        Me.panel1.Dock = System.Windows.Forms.DockStyle.Fill
        Me.panel1.Location = New System.Drawing.Point(0, 0)
        Me.panel1.Name = "panel1"
        Me.panel1.Size = New System.Drawing.Size(512, 438)
        Me.panel1.TabIndex = 4
        '
        'Panel3
        '
        Me.Panel3.Controls.Add(Me.DataGrid1)
        Me.Panel3.Location = New System.Drawing.Point(0, 112)
        Me.Panel3.Name = "Panel3"
        Me.Panel3.Size = New System.Drawing.Size(512, 176)
        Me.Panel3.TabIndex = 3
        '
        'DataGrid1
        '
        Me.DataGrid1.CaptionVisible = False
        Me.DataGrid1.DataMember = ""
        Me.DataGrid1.Dock = System.Windows.Forms.DockStyle.Fill
        Me.DataGrid1.HeaderForeColor = System.Drawing.SystemColors.ControlText
        Me.DataGrid1.Location = New System.Drawing.Point(0, 0)
        Me.DataGrid1.Name = "DataGrid1"
        Me.DataGrid1.ReadOnly = True
        Me.DataGrid1.Size = New System.Drawing.Size(512, 176)
        Me.DataGrid1.TabIndex = 0
        '
        'button1
        '
        Me.button1.Location = New System.Drawing.Point(424, 88)
        Me.button1.Name = "button1"
        Me.button1.TabIndex = 2
        Me.button1.Text = "打印预览"
        '
        'label1
        '
        Me.label1.Location = New System.Drawing.Point(160, 88)
        Me.label1.Name = "label1"
        Me.label1.Size = New System.Drawing.Size(104, 24)
        Me.label1.TabIndex = 0
        Me.label1.Text = "学生基本情况"
        '
        'xscx
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.ClientSize = New System.Drawing.Size(512, 438)
        Me.Controls.Add(Me.panel2)
        Me.Controls.Add(Me.groupBox1)
        Me.Controls.Add(Me.panel1)
        Me.MaximizeBox = False
        Me.Name = "xscx"
        Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen
        Me.Text = "学生情况查询"
        Me.panel2.ResumeLayout(False)
        CType(Me.dataGrid2, System.ComponentModel.ISupportInitialize).EndInit()
        Me.groupBox1.ResumeLayout(False)
        Me.panel1.ResumeLayout(False)
        Me.Panel3.ResumeLayout(False)
        CType(Me.DataGrid1, System.ComponentModel.ISupportInitialize).EndInit()
        Me.ResumeLayout(False)

    End Sub

#End Region
    Private sql, sql1 As String
    Private Shared m_Form As New xscx

    Public Shared ReadOnly Property NewForm() As xscx
        Get
            If m_Form Is Nothing OrElse m_Form.IsDisposed Then
                m_Form = New xscx
            End If
            Return m_Form
        End Get
    End Property

    Private Sub xscx_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        Dim conn As SqlConnection = New SqlConnection(Me.Tag)
        sql = "SELECT * from 学生信息表"
        Dim meadpter As SqlDataAdapter = New SqlDataAdapter(sql, conn)
        Dim mebuiler As SqlCommandBuilder = New SqlCommandBuilder(meadpter)
        Dim mydate As DataSet = New DataSet
        meadpter.Fill(mydate, "学生信息表")
        Dim conn1 As SqlConnection = New SqlConnection(Me.Tag)
        sql1 = "SELECT * from 学期注册表"
        Dim meadpter1 As SqlDataAdapter = New SqlDataAdapter(sql1, conn)
        Dim mebuiler1 As SqlCommandBuilder = New SqlCommandBuilder(meadpter)
        Dim mydate1 As DataSet = New DataSet
        meadpter1.Fill(mydate1, "学期注册表")
        DataGrid1.SetDataBinding(mydate, "学生信息表")
        dataGrid2.SetDataBinding(mydate1, "学期注册表")
    End Sub

    Private Sub panel1_Paint(ByVal sender As System.Object, ByVal e As System.Windows.Forms.PaintEventArgs) Handles panel1.Paint

    End Sub

    Private Sub button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles button3.Click
        Dim conn As SqlConnection = New SqlConnection(Me.Tag)
        sql = "SELECT * from 学生信息表 where " + Me.comboBox1.Text + " like'%" + Me.textBox1.Text + "%'"
        Dim meadpter As SqlDataAdapter = New SqlDataAdapter(sql, conn)
        Dim mebuiler As SqlCommandBuilder = New SqlCommandBuilder(meadpter)
        Dim mydate As DataSet = New DataSet
        meadpter.Fill(mydate, "学生信息表")
        Dim conn1 As SqlConnection = New SqlConnection(Me.Tag)
        sql1 = "SELECT * from 学期注册表 where " + Me.comboBox1.Text + " like'%" + Me.textBox1.Text + "%'"
        Dim meadpter1 As SqlDataAdapter = New SqlDataAdapter(sql1, conn)
        Dim mebuiler1 As SqlCommandBuilder = New SqlCommandBuilder(meadpter)
        Dim mydate1 As DataSet = New DataSet
        meadpter1.Fill(mydate1, "学期注册表")
        DataGrid1.SetDataBinding(mydate, "学生信息表")
        dataGrid2.SetDataBinding(mydate1, "学期注册表")
    End Sub

    Private Sub button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles button1.Click
        xsjb.NewForm.Tag = Me.Tag
        xsjb.NewForm.SearchSQL = sql
        xsjb.NewForm.Show()
    End Sub

    Private Sub button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles button2.Click
        xqqk.NewForm.Tag = Me.Tag
        xqqk.NewForm.SearchSQL = sql1
        xqqk.NewForm.Show()
    End Sub
End Class