stuinfoclassfy.vb

一个基于SQL架构的管理系统

Imports System
Imports System.Data
Imports System.Data.SqlClient
Public Class Form24
    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 RadioButton1 As System.Windows.Forms.RadioButton
    Friend WithEvents RadioButton2 As System.Windows.Forms.RadioButton
    Friend WithEvents RadioButton3 As System.Windows.Forms.RadioButton
    Friend WithEvents RadioButton4 As System.Windows.Forms.RadioButton
    Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
    Friend WithEvents Button1 As System.Windows.Forms.Button
    Friend WithEvents DataGrid1 As System.Windows.Forms.DataGrid
    Friend WithEvents Button2 As System.Windows.Forms.Button
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Dim resources As System.Resources.ResourceManager = New System.Resources.ResourceManager(GetType(Form24))
        Me.GroupBox1 = New System.Windows.Forms.GroupBox
        Me.Button2 = New System.Windows.Forms.Button
        Me.Button1 = New System.Windows.Forms.Button
        Me.TextBox1 = New System.Windows.Forms.TextBox
        Me.RadioButton4 = New System.Windows.Forms.RadioButton
        Me.RadioButton3 = New System.Windows.Forms.RadioButton
        Me.RadioButton2 = New System.Windows.Forms.RadioButton
        Me.RadioButton1 = New System.Windows.Forms.RadioButton
        Me.DataGrid1 = New System.Windows.Forms.DataGrid
        Me.GroupBox1.SuspendLayout()
        CType(Me.DataGrid1, System.ComponentModel.ISupportInitialize).BeginInit()
        Me.SuspendLayout()
        '
        'GroupBox1
        '
        Me.GroupBox1.Controls.Add(Me.Button2)
        Me.GroupBox1.Controls.Add(Me.Button1)
        Me.GroupBox1.Controls.Add(Me.TextBox1)
        Me.GroupBox1.Controls.Add(Me.RadioButton4)
        Me.GroupBox1.Controls.Add(Me.RadioButton3)
        Me.GroupBox1.Controls.Add(Me.RadioButton2)
        Me.GroupBox1.Controls.Add(Me.RadioButton1)
        Me.GroupBox1.Location = New System.Drawing.Point(8, 0)
        Me.GroupBox1.Name = "GroupBox1"
        Me.GroupBox1.Size = New System.Drawing.Size(464, 104)
        Me.GroupBox1.TabIndex = 0
        Me.GroupBox1.TabStop = False
        Me.GroupBox1.Text = "查询条件"
        '
        'Button2
        '
        Me.Button2.Location = New System.Drawing.Point(280, 64)
        Me.Button2.Name = "Button2"
        Me.Button2.Size = New System.Drawing.Size(72, 24)
        Me.Button2.TabIndex = 6
        Me.Button2.Text = "关闭"
        '
        'Button1
        '
        Me.Button1.Location = New System.Drawing.Point(192, 64)
        Me.Button1.Name = "Button1"
        Me.Button1.TabIndex = 5
        Me.Button1.Text = "分类管理"
        '
        'TextBox1
        '
        Me.TextBox1.Location = New System.Drawing.Point(24, 64)
        Me.TextBox1.Name = "TextBox1"
        Me.TextBox1.Size = New System.Drawing.Size(128, 21)
        Me.TextBox1.TabIndex = 4
        Me.TextBox1.Text = ""
        '
        'RadioButton4
        '
        Me.RadioButton4.Location = New System.Drawing.Point(336, 24)
        Me.RadioButton4.Name = "RadioButton4"
        Me.RadioButton4.Size = New System.Drawing.Size(64, 24)
        Me.RadioButton4.TabIndex = 3
        Me.RadioButton4.Text = "系部"
        '
        'RadioButton3
        '
        Me.RadioButton3.Location = New System.Drawing.Point(232, 24)
        Me.RadioButton3.Name = "RadioButton3"
        Me.RadioButton3.Size = New System.Drawing.Size(56, 24)
        Me.RadioButton3.TabIndex = 2
        Me.RadioButton3.Text = "专业"
        '
        'RadioButton2
        '
        Me.RadioButton2.Location = New System.Drawing.Point(128, 24)
        Me.RadioButton2.Name = "RadioButton2"
        Me.RadioButton2.Size = New System.Drawing.Size(56, 24)
        Me.RadioButton2.TabIndex = 1
        Me.RadioButton2.Text = "年级"
        '
        'RadioButton1
        '
        Me.RadioButton1.Location = New System.Drawing.Point(24, 24)
        Me.RadioButton1.Name = "RadioButton1"
        Me.RadioButton1.Size = New System.Drawing.Size(72, 24)
        Me.RadioButton1.TabIndex = 0
        Me.RadioButton1.Text = "班级号"
        '
        'DataGrid1
        '
        Me.DataGrid1.DataMember = ""
        Me.DataGrid1.HeaderForeColor = System.Drawing.SystemColors.ControlText
        Me.DataGrid1.Location = New System.Drawing.Point(0, 112)
        Me.DataGrid1.Name = "DataGrid1"
        Me.DataGrid1.Size = New System.Drawing.Size(472, 248)
        Me.DataGrid1.TabIndex = 1
        '
        'Form24
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
        Me.BackColor = System.Drawing.Color.Teal
        Me.ClientSize = New System.Drawing.Size(472, 365)
        Me.Controls.Add(Me.DataGrid1)
        Me.Controls.Add(Me.GroupBox1)
        Me.Icon = CType(resources.GetObject("$this.Icon"), System.Drawing.Icon)
        Me.MaximizeBox = False
        Me.Name = "Form24"
        Me.Text = "学生信息分类"
        Me.GroupBox1.ResumeLayout(False)
        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
        Me.Close()

    End Sub

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        If RadioButton1.Checked Then
            classquery()
        ElseIf RadioButton2.Checked Then
            gradequery()
        ElseIf RadioButton3.Checked Then
            professinalquery()
        ElseIf RadioButton4.Checked Then
            departquery()

        End If
    End Sub
    Sub classquery()
        Dim str As String
        Dim ds As New DataSet
        Dim da As SqlDataAdapter
        'Dim frmName As String = "欢迎您"
        str = "Data Source=localhost;Initial Catalog = Student;integrated Security=true"
        Dim con As New SqlConnection(str)
        con.Open()
        Dim sql As String = "select * from student_Info where class_No = '" & TextBox1.Text.ToString().Trim() & "' "
        da = New SqlDataAdapter(sql, con)
        da.Fill(ds)
        DataGrid1.DataSource = ds.Tables(0)
    End Sub
    
    Sub gradequery()
        Dim str As String
        Dim ds As New DataSet
        Dim da As SqlDataAdapter
        'Dim frmName As String = "欢迎您"
        str = "Data Source=localhost;Initial Catalog = Student;integrated Security=true"
        Dim con As New SqlConnection(str)
        con.Open()
        Dim sql As String = "select * from student_Info s,class_Info c where s.class_No=c.class_No and grade = '" & TextBox1.Text.ToString().Trim() & "' "
        da = New SqlDataAdapter(sql, con)
        da.Fill(ds)
        DataGrid1.DataSource = ds.Tables(0)
    End Sub
    Sub professinalquery()
        Dim str As String
        Dim ds As New DataSet
        Dim da As SqlDataAdapter
        'Dim frmName As String = "欢迎您"
        str = "Data Source=localhost;Initial Catalog = Student;integrated Security=true"
        Dim con As New SqlConnection(str)
        con.Open()
        Dim sql As String = "select * from student_Info s,class_Info c where s.class_No=c.class_No and director like '" & TextBox1.Text.ToString().Trim() & "' "
        da = New SqlDataAdapter(sql, con)
        da.Fill(ds)
        DataGrid1.DataSource = ds.Tables(0)
    End Sub
    Sub departquery()
        Dim str As String
        Dim ds As New DataSet
        Dim da As SqlDataAdapter
        'Dim frmName As String = "欢迎您"
        str = "Data Source=localhost;Initial Catalog = Student;integrated Security=true"
        Dim con As New SqlConnection(str)
        con.Open()
        Dim sql As String = "select * from student_Info s,depart_Info d where s.depart_ID=d.depart_ID and d.depart_Name like '" & TextBox1.Text.ToString().Trim() & "' "
        da = New SqlDataAdapter(sql, con)
        da.Fill(ds)
        DataGrid1.DataSource = ds.Tables(0)
    End Sub

    Private Sub RadioButton4_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles RadioButton4.CheckedChanged

    End Sub

    Private Sub GroupBox1_Enter(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles GroupBox1.Enter

    End Sub
End Class