?? delstuinfo.vb
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Public Class DelStuInfo
Inherits System.Windows.Forms.Form
#Region " Windows 窗體設計器生成的代碼 "
Public Sub New()
MyBase.New()
'該調用是 Windows 窗體設計器所必需的。
InitializeComponent()
'在 InitializeComponent() 調用之后添加任何初始化
End Sub
'窗體重寫 dispose 以清理組件列表。
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 窗體設計器所必需的
Private components As System.ComponentModel.IContainer
'注意: 以下過程是 Windows 窗體設計器所必需的
'可以使用 Windows 窗體設計器修改此過程。
'不要使用代碼編輯器修改它。
Friend WithEvents GroupBox1 As System.Windows.Forms.GroupBox
Friend WithEvents Button1 As System.Windows.Forms.Button
Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
Friend WithEvents Label2 As System.Windows.Forms.Label
Friend WithEvents ComboBox1 As System.Windows.Forms.ComboBox
Friend WithEvents Label1 As System.Windows.Forms.Label
Friend WithEvents DataGrid1 As System.Windows.Forms.DataGrid
Friend WithEvents Button2 As System.Windows.Forms.Button
Friend WithEvents Button3 As System.Windows.Forms.Button
<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
Me.GroupBox1 = New System.Windows.Forms.GroupBox
Me.Button1 = New System.Windows.Forms.Button
Me.TextBox1 = New System.Windows.Forms.TextBox
Me.Label2 = New System.Windows.Forms.Label
Me.ComboBox1 = New System.Windows.Forms.ComboBox
Me.Label1 = New System.Windows.Forms.Label
Me.DataGrid1 = New System.Windows.Forms.DataGrid
Me.Button2 = New System.Windows.Forms.Button
Me.Button3 = New System.Windows.Forms.Button
Me.GroupBox1.SuspendLayout()
CType(Me.DataGrid1, System.ComponentModel.ISupportInitialize).BeginInit()
Me.SuspendLayout()
'
'GroupBox1
'
Me.GroupBox1.Controls.Add(Me.Button1)
Me.GroupBox1.Controls.Add(Me.TextBox1)
Me.GroupBox1.Controls.Add(Me.Label2)
Me.GroupBox1.Controls.Add(Me.ComboBox1)
Me.GroupBox1.Controls.Add(Me.Label1)
Me.GroupBox1.Font = New System.Drawing.Font("宋體", 10.5!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(134, Byte))
Me.GroupBox1.Location = New System.Drawing.Point(8, 0)
Me.GroupBox1.Name = "GroupBox1"
Me.GroupBox1.Size = New System.Drawing.Size(552, 112)
Me.GroupBox1.TabIndex = 1
Me.GroupBox1.TabStop = False
Me.GroupBox1.Text = "查詢學生信息:"
'
'Button1
'
Me.Button1.Location = New System.Drawing.Point(352, 64)
Me.Button1.Name = "Button1"
Me.Button1.Size = New System.Drawing.Size(112, 24)
Me.Button1.TabIndex = 4
Me.Button1.Text = "確定"
'
'TextBox1
'
Me.TextBox1.Location = New System.Drawing.Point(168, 64)
Me.TextBox1.Name = "TextBox1"
Me.TextBox1.Size = New System.Drawing.Size(144, 23)
Me.TextBox1.TabIndex = 3
Me.TextBox1.Text = ""
'
'Label2
'
Me.Label2.Location = New System.Drawing.Point(200, 32)
Me.Label2.Name = "Label2"
Me.Label2.Size = New System.Drawing.Size(80, 24)
Me.Label2.TabIndex = 2
Me.Label2.Text = "查詢條件"
'
'ComboBox1
'
Me.ComboBox1.Items.AddRange(New Object() {"年齡范圍", "省份", "班級", "性別"})
Me.ComboBox1.Location = New System.Drawing.Point(16, 64)
Me.ComboBox1.Name = "ComboBox1"
Me.ComboBox1.Size = New System.Drawing.Size(121, 22)
Me.ComboBox1.TabIndex = 1
Me.ComboBox1.Text = "請選擇"
'
'Label1
'
Me.Label1.Location = New System.Drawing.Point(34, 32)
Me.Label1.Name = "Label1"
Me.Label1.Size = New System.Drawing.Size(80, 24)
Me.Label1.TabIndex = 0
Me.Label1.Text = "查詢方式"
'
'DataGrid1
'
Me.DataGrid1.DataMember = ""
Me.DataGrid1.HeaderForeColor = System.Drawing.SystemColors.ControlText
Me.DataGrid1.Location = New System.Drawing.Point(8, 112)
Me.DataGrid1.Name = "DataGrid1"
Me.DataGrid1.Size = New System.Drawing.Size(552, 240)
Me.DataGrid1.TabIndex = 2
'
'Button2
'
Me.Button2.Location = New System.Drawing.Point(352, 368)
Me.Button2.Name = "Button2"
Me.Button2.Size = New System.Drawing.Size(96, 24)
Me.Button2.TabIndex = 3
Me.Button2.Text = "確定刪除"
'
'Button3
'
Me.Button3.Location = New System.Drawing.Point(456, 368)
Me.Button3.Name = "Button3"
Me.Button3.Size = New System.Drawing.Size(96, 24)
Me.Button3.TabIndex = 4
Me.Button3.Text = "退出刪除"
'
'DelStuInfo
'
Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
Me.ClientSize = New System.Drawing.Size(568, 405)
Me.Controls.Add(Me.Button3)
Me.Controls.Add(Me.Button2)
Me.Controls.Add(Me.DataGrid1)
Me.Controls.Add(Me.GroupBox1)
Me.Name = "DelStuInfo"
Me.Text = "DelStuInfo"
Me.GroupBox1.ResumeLayout(False)
CType(Me.DataGrid1, System.ComponentModel.ISupportInitialize).EndInit()
Me.ResumeLayout(False)
End Sub
#End Region
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Try
Dim str As String
If ComboBox1.Text = "請選擇" Then
MsgBox("請選擇查詢方式", MsgBoxStyle.OKOnly, "提示")
Exit Sub
ElseIf ComboBox1.Text = "年齡范圍" Then
str = "C_StuAge"
ElseIf ComboBox1.Text = "省份" Then
str = "C_StuAddress"
ElseIf ComboBox1.Text = "班級" Then
str = "C_StuClass"
ElseIf ComboBox1.Text = "性別" Then
str = "C_StuSex"
End If
UserInfo.InquireStu = str
If TextBox1.Text = "" Then
MsgBox("請輸入查詢條件", MsgBoxStyle.OKOnly, "警告")
Exit Sub
End If
Dim ds As New DataSet
Dim aa As String
'aa = "select * from T_Stu where " & str & " = '" & TextBox1.Text & "' "
' MsgBox(aa)
ds = search.query("select * from T_Stu where " & str & " = '" & TextBox1.Text & "'")
If ds.Tables(0).Rows.Count = 0 Then
MsgBox("沒有符合條件的學生,請嘗試別的查詢方式!", MsgBoxStyle.OKOnly, "提示")
Else : DataGrid1.DataSource = ds.Tables(0)
End If
Catch ex As Exception
MsgBox(ex.Message)
End Try
End Sub
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
Dim s As String
Dim ds As DataSet
Dim str As String
str = UserInfo.InquireStu
s = DataGrid1.Item(DataGrid1.CurrentRowIndex, 0)
Dim i As MsgBoxResult = MsgBox("確定要刪除學生所有信息嗎?", MsgBoxStyle.OKCancel, "警告")
If i = MsgBoxResult.OK Then
search.delete("delete from T_Stu where C_StuId = '" & s & "' ")
MsgBox("已成功刪除該學生信息!", MsgBoxStyle.OKOnly, "提示")
ds = search.query("select * from T_Stu where " & str & " = '" & TextBox1.Text & "'")
DataGrid1.DataSource = ds.Tables(0)
End If
If i = MsgBoxResult.Cancel Then
Exit Sub
End If
End Sub
Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
Me.Dispose()
End Sub
Private Sub GroupBox1_Enter(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles GroupBox1.Enter
End Sub
End Class
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