VB.Net/Database ADO.net/Data bind to Label

Материал из VB Эксперт
Перейти к: навигация, поиск

Data set Bind to Label

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
   End Sub
End Class

Public Class Form1
   Inherits System.Windows.Forms.Form
#Region " Windows Form Designer generated code "
   Public Sub New()
      "This call is required by the Windows Form Designer.
      "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
         End If
      End If
   End Sub
   "Required by the Windows Form Designer
   Private components As System.ruponentModel.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 Label1 As System.Windows.Forms.Label
   Friend WithEvents Label2 As System.Windows.Forms.Label
   Friend WithEvents DataSet1 As System.Data.DataSet
   <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
      Me.Label1 = New System.Windows.Forms.Label
      Me.Label2 = New System.Windows.Forms.Label
      Me.DataSet1 = New System.Data.DataSet
      CType(Me.DataSet1, System.ruponentModel.ISupportInitialize).BeginInit()
      Me.Label1.Location = New System.Drawing.Point(16, 16)
      Me.Label1.Name = "Label1"
      Me.Label1.TabIndex = 0
      Me.Label1.Text = "Label1"
      Me.Label2.Location = New System.Drawing.Point(16, 56)
      Me.Label2.Name = "Label2"
      Me.Label2.TabIndex = 1
      Me.Label2.Text = "Label2"
      Me.DataSet1.DataSetName = "NewDataSet"
      Me.DataSet1.Locale = New System.Globalization.CultureInfo("en-GB")
      Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
      Me.ClientSize = New System.Drawing.Size(128, 85)
      Me.Name = "Form1"
      Me.Text = "Form1"
      CType(Me.DataSet1, System.ruponentModel.ISupportInitialize).EndInit()
   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;" & _
      " 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 Label1 to ProductName column of the Products table
      Label1.DataBindings.Add("text", DataSet1, "Employee.FirstName")
      " Bind Label2 to UnitPrice column of the Products table
      Label2.DataBindings.Add("text", DataSet1, "Employee.LastName")
   End Sub
End Class