Mega Code Archive
Bind data into TextBox and Navigate using two Buttons
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Imports System
Imports System.Data
Imports System.Windows.Forms
Imports System.Data.SqlClient
public class MainClass
Shared Sub Main()
Dim form1 As Form = New Form1
Application.Run(form1)
End Sub
End Class
Public Class Form1
Inherits System.Windows.Forms.Form
' Declare a binding manager field
Private bMgr As BindingManagerBase
#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 Nothing) Then
components.Dispose()
End If
End If
MyBase.Dispose(disposing)
End Sub
'Required by the Windows Form Designer
Private components As System.ComponentModel.IContainer
'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.
Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
Friend WithEvents TextBox2 As System.Windows.Forms.TextBox
Friend WithEvents buttonBack As System.Windows.Forms.Button
Friend WithEvents buttonNext As System.Windows.Forms.Button
Friend WithEvents DataSet1 As System.Data.DataSet
<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
Me.TextBox1 = New System.Windows.Forms.TextBox
Me.TextBox2 = New System.Windows.Forms.TextBox
Me.buttonBack = New System.Windows.Forms.Button
Me.buttonNext = New System.Windows.Forms.Button
Me.DataSet1 = New System.Data.DataSet
CType(Me.DataSet1, System.ComponentModel.ISupportInitialize).BeginInit()
Me.SuspendLayout()
'
'TextBox1
'
Me.TextBox1.Location = New System.Drawing.Point(8, 8)
Me.TextBox1.Name = "TextBox1"
Me.TextBox1.Size = New System.Drawing.Size(176, 20)
Me.TextBox1.TabIndex = 0
Me.TextBox1.Text = "TextBox1"
'
'TextBox2
'
Me.TextBox2.Location = New System.Drawing.Point(8, 40)
Me.TextBox2.Name = "TextBox2"
Me.TextBox2.Size = New System.Drawing.Size(176, 20)
Me.TextBox2.TabIndex = 1
Me.TextBox2.Text = "TextBox2"
'
'buttonBack
'
Me.buttonBack.Location = New System.Drawing.Point(8, 72)
Me.buttonBack.Name = "buttonBack"
Me.buttonBack.TabIndex = 2
Me.buttonBack.Text = "<< Back"
'
'buttonNext
'
Me.buttonNext.Location = New System.Drawing.Point(112, 72)
Me.buttonNext.Name = "buttonNext"
Me.buttonNext.TabIndex = 3
Me.buttonNext.Text = "Next >>"
'
'DataSet1
'
Me.DataSet1.DataSetName = "NewDataSet"
Me.DataSet1.Locale = New System.Globalization.CultureInfo("en-GB")
'
'Form1
'
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.ClientSize = New System.Drawing.Size(200, 101)
Me.Controls.Add(Me.buttonNext)
Me.Controls.Add(Me.buttonBack)
Me.Controls.Add(Me.TextBox2)
Me.Controls.Add(Me.TextBox1)
Me.Name = "Form1"
Me.Text = "Form1"
CType(Me.DataSet1, System.ComponentModel.ISupportInitialize).EndInit()
Me.ResumeLayout(False)
End Sub
#End Region
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
'Create Connection object
Dim thisConnection As New SqlConnection _
("server=(local)\SQLEXPRESS;" & _
"integrated security=sspi;" & _
"database=MyDatabase")
' Sql Query
Dim sql As String = _
"SELECT * FROM Employee"
' Create Data Adapter
Dim da As New SqlDataAdapter(sql, thisConnection)
' Fill Dataset
da.Fill(DataSet1, "Employee")
' Bind to firstname column of the employees table
TextBox1.DataBindings.Add("text", DataSet1, "Employee.FirstName")
' Bind to lastname column of the employees table
TextBox2.DataBindings.Add("text", DataSet1, "Employee.LastName")
' Create the Binding Manager
bMgr = Me.BindingContext(DataSet1, "Employee")
End Sub
Private Sub buttonNext_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles buttonNext.Click
' Point to the next row and refresh the text box
bMgr.Position += 1
End Sub
Private Sub buttonBack_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles buttonBack.Click
' Point to the previous row and refresh the text box
bMgr.Position -= 1
End Sub
End Class
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