VB.Net/Database ADO.net/Database ListBox — различия между версиями
Admin (обсуждение | вклад) м (1 версия) |
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(нет различий)
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Версия 16:40, 26 мая 2010
Read Access Data table and store data in ListBox
Imports System
Imports System.Drawing
Imports System.Collections
Imports System.ruponentModel
Imports System.Windows.Forms
Imports System.Data
Imports System.Data.OleDb
Public Class MainClass
Shared Sub Main( )
Application.Run(New ADOForm1() )
End Sub
End Class
Public Class ADOForm1
Inherits System.Windows.Forms.Form
Private components As System.ruponentModel.Container
Private lbEmployees As System.Windows.Forms.ListBox
Public Sub New( )
InitializeComponent( )
Dim connectionString As String = _
"provider=Microsoft.JET.OLEDB.4.0; " & _
"data source = Employee.mdb"
Dim commandString As String = _
"Select FirstName, LastName from Employee"
Dim myDataAdapter As New OleDbDataAdapter( _
commandString, connectionString)
Dim myDataSet As New DataSet( )
myDataAdapter.Fill(myDataSet, "Employee")
Dim myDataTable As DataTable = myDataSet.Tables(0)
Dim tempRow As DataRow
For Each tempRow In myDataTable.Rows
lbEmployees.Items.Add((tempRow("FirstName") & _
" (" & tempRow("LastName") & ")"))
Next
End Sub "New
Private Sub InitializeComponent( )
Me.ruponents = New System.ruponentModel.Container( )
Me.lbEmployees = New System.Windows.Forms.ListBox( )
lbEmployees.Location = New System.Drawing.Point(48, 24)
lbEmployees.Size = New System.Drawing.Size(368, 160)
lbEmployees.TabIndex = 0
Me.Text = "ADOFrm1"
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.ClientSize = New System.Drawing.Size(464, 273)
Me.Controls.Add(lbEmployees)
End Sub
End Class
<A href="http://www.vbex.ru/Code/VBDownload/Employee.zip">Employee.zip( 7 k)</a>
Store Database data into a ListBox
Imports System
Imports System.Drawing
Imports System.Collections
Imports System.ruponentModel
Imports System.Windows.Forms
Imports System.Data
Imports System.Data.SqlClient
Public Class MainClass
Shared Sub Main( )
Application.Run(New ADOForm1() )
End Sub
End Class
Public Class ADOForm1
Inherits System.Windows.Forms.Form
Private components As System.ruponentModel.Container
Private lbEmployees As System.Windows.Forms.ListBox
Public Sub New( )
InitializeComponent( )
Dim connectionString As String ="server=(local)\SQLEXPRESS;" & _
"integrated security=sspi;database=MyDatabase"
Dim commandString As String = _
"Select FirstName, LastName from Employee"
Dim myDataAdapter As New SqlDataAdapter( _
commandString, connectionString)
Dim myDataSet As New DataSet( )
myDataAdapter.Fill(myDataSet, "Employee")
Dim myDataTable As DataTable = myDataSet.Tables(0)
Dim tempRow As DataRow
For Each tempRow In myDataTable.Rows
lbEmployees.Items.Add((tempRow("FirstName") & _
" (" & tempRow("LastName") & ")"))
Next
End Sub "New
Private Sub InitializeComponent( )
Me.ruponents = New System.ruponentModel.Container( )
Me.lbEmployees = New System.Windows.Forms.ListBox( )
lbEmployees.Location = New System.Drawing.Point(48, 24)
lbEmployees.Size = New System.Drawing.Size(368, 160)
lbEmployees.TabIndex = 0
Me.Text = "ADOFrm1"
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.ClientSize = New System.Drawing.Size(464, 273)
Me.Controls.Add(lbEmployees)
End Sub "InitializeComponent
End Class "ADOForm1