?? form1.vb
字號:
Public Class Form1
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 Label1 As System.Windows.Forms.Label
Friend WithEvents Button1 As System.Windows.Forms.Button
<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
Me.Label1 = New System.Windows.Forms.Label
Me.Button1 = New System.Windows.Forms.Button
Me.SuspendLayout()
'
'Label1
'
Me.Label1.Location = New System.Drawing.Point(56, 32)
Me.Label1.Name = "Label1"
Me.Label1.Size = New System.Drawing.Size(704, 224)
Me.Label1.TabIndex = 0
'
'Button1
'
Me.Button1.Location = New System.Drawing.Point(248, 264)
Me.Button1.Name = "Button1"
Me.Button1.Size = New System.Drawing.Size(280, 48)
Me.Button1.TabIndex = 1
Me.Button1.Text = "Button1"
'
'Form1
'
Me.AutoScaleBaseSize = New System.Drawing.Size(6, 14)
Me.ClientSize = New System.Drawing.Size(792, 318)
Me.Controls.Add(Me.Button1)
Me.Controls.Add(Me.Label1)
Me.Name = "Form1"
Me.Text = "Form1"
Me.ResumeLayout(False)
End Sub
#End Region
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim cstring As String = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=E:\VS.Network\shujukulianjie\111.mdb"
Dim SQLstr As String = "select 名字,二姓,姓氏,父母姓名,地址 from 學生 where 二姓='無'"
Dim strrow As String = ""
Dim mycon As New OleDb.OleDbConnection(cstring)
Try
mycon.Open()
MessageBox.Show("連接")
Catch oledbe As OleDb.OleDbException
MsgBox("shibai")
Exit Sub
End Try
Dim mycom As New OleDb.OleDbCommand
mycom.Connection = mycon
mycom.CommandType = CommandType.Text
mycom.CommandText = SQLstr
Dim mydatareader As OleDb.OleDbDataReader = mycom.ExecuteReader
Label1.Text = ""
Do While (mydatareader.Read())
strrow = mydatareader.GetString(0) + " "
strrow = strrow + mydatareader.GetString(1) + " "
strrow = strrow + mydatareader.GetString(2) + " "
strrow = strrow + mydatareader.GetString(3) + " "
strrow = strrow + mydatareader.GetString(4) + " "
'strrow = strrow + mydatareader.GetString(5) + " "
Label1.Text = Label1.Text + strrow + Chr(10) + Chr(13)
Loop
mydatareader.Close()
mycon.Close()
End Sub
End Class
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