Data binding : Data binding « Database ADO.net « VB.Net Tutorial

Home
VB.Net Tutorial
1.Language Basics
2.Data Type
3.Operator
4.Statements
5.Date Time
6.Class Module
7.Development
8.Collections
9.Generics
10.Attributes
11.Event
12.LINQ
13.Stream File
14.GUI
15.GUI Applications
16.Windows Presentation Foundation
17.2D Graphics
18.I18N Internationlization
19.Reflection
20.Regular Expressions
21.Security
22.Socket Network
23.Thread
24.Windows
25.XML
26.Database ADO.net
27.Design Patterns
VB.Net
VB.Net by API
VB.Net Tutorial » Database ADO.net » Data binding 
26.2.1.Data binding
Public Class Form2
    Inherits System.Windows.Forms.Form

#Region " Windows Form Designer generated code "

    Public Sub New()
        MyBase.New()

        'This call is required by the Windows Form Designer.
        InitializeComponent()

        'Add any initialization after the InitializeComponent() call

    End Sub

    'Form overrides dispose to clean up the component list.
    Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
        If disposing Then
            If Not (components Is NothingThen
                components.Dispose()
            End If
        End If
        MyBase.Dispose(disposing)
    End Sub

    'Required by the Windows Form Designer
    Private components As System.ComponentModel.Container

    Private WithEvents textBox1 As System.Windows.Forms.TextBox
    Private WithEvents button1 As System.Windows.Forms.Button

    'NOTE: The following procedure is required by the Windows Form Designer
    'It can be modified using the Windows Form Designer.  
    'Do not modify it using the code editor.
    <System.Diagnostics.DebuggerStepThrough()Private Sub InitializeComponent()
        Me.textBox1 = New System.Windows.Forms.TextBox()
        Me.button1 = New System.Windows.Forms.Button()
        Me.SuspendLayout()
        '
        'textBox1
        '
        Me.textBox1.Location = New System.Drawing.Point(4856)
        Me.textBox1.Name = "textBox1"
        Me.textBox1.TabIndex = 0
        Me.textBox1.Text = "textBox1"
        '
        'button1
        '
        Me.button1.Location = New System.Drawing.Point(5696)
        Me.button1.Name = "button1"
        Me.button1.TabIndex = 1
        Me.button1.Text = "button1"
        '
        'Form2
        '
        Me.AutoScaleBaseSize = New System.Drawing.Size(513)
        Me.ClientSize = New System.Drawing.Size(292273)
        Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.button1, Me.textBox1})
        Me.Name = "Form2"
        Me.Text = "Form1"
        Me.ResumeLayout(False)

    End Sub

#End Region

    Private Sub button1_Click(ByVal sender As Object, ByVal e As System.EventArgsHandles button1.Click

        Dim sConnection As String = _
        "Provider=SQLOLEDB.1;" & _
        "Password=sqlpassword;" & _
        "Persist Security Info=True;" & _
        "User ID=sa;" & _
        "Initial Catalog=CD;" & _
        "Data Source=(local)"

        Dim sSQL As String
        sSQL = "SELECT ArtistID, ArtistName From Artist"
        Dim objConn _
         As New OleDb.OleDbConnection(sConnection)
        Dim objDataAdapter _
          As New OleDb.OleDbDataAdapter(sSQL, objConn)
        Dim objDS _
          As New DataSet("Artists")
        Dim objDV _
          As DataView

        Try
            objConn.Open()
        Catch myException As System.Exception
            Windows.Forms.MessageBox.Show(myException.Message)
        End Try

        If objConn.State = ConnectionState.Open Then
            Try
                objDataAdapter.Fill(objDS, "Disc")
                objConn.Close()
                Dim objTable As DataTable
                objTable = objDS.Tables("Disc")
                objDV = objTable.DefaultView
                textBox1.DataBindings.Add("Text", objDV, "ArtistName")
            Catch myexception As Exception
                Windows.Forms.MessageBox.Show(myException.Message)
            End Try
        End If

    End Sub
End Class
26.2.Data binding
26.2.1.Data binding
26.2.2.Bind DataTable to ControlBind DataTable to Control
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.