Imports System
Imports System.Drawing
Imports System.Collections
Imports System.ComponentModel
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.ComponentModel.Container
Private dataGrid1 As System.Windows.Forms.DataGrid
' private System.Data.ADO.ADOConnection myConnection;
Private myConnection As System.Data.SqlClient.SqlConnection
Private myDataSet As System.Data.DataSet
Private myCommand As System.Data.SqlClient.SqlCommand
Private myDataAdapter As System.Data.SqlClient.SqlDataAdapter
Public Sub New( )
InitializeComponent( )
Dim connectionString As String ="server=(local)\SQLEXPRESS;" & _
"integrated security=sspi;database=MyDatabase"
myConnection = _
New System.Data.SqlClient.SqlConnection(connectionString)
myConnection.Open( )
' create the DataSet and set a property
myDataSet = New System.Data.DataSet( )
myDataSet.CaseSensitive = True
' create the SqlCommand object and assign the
' connection and the select statement
myCommand = New System.Data.SqlClient.SqlCommand( )
myCommand.Connection = myConnection
myCommand.CommandText = "Select * from Employee"
' create the myDataAdapter object and pass in the
' SQL Command object and establish the table mappings
myDataAdapter = New System.Data.SqlClient.SqlDataAdapter( )
myDataAdapter.SelectCommand = myCommand
myDataAdapter.TableMappings.Add("Table", "Employee")
' Tell the myDataAdapter object to fill the DataSet
myDataAdapter.Fill(myDataSet)
' display it in the grid
dataGrid1.DataSource = _
myDataSet.Tables("Employee").DefaultView
End Sub 'New
Private Sub InitializeComponent( )
Me.components = New System.ComponentModel.Container( )
Me.dataGrid1 = New System.Windows.Forms.DataGrid( )
dataGrid1.Location = New System.Drawing.Point(48, 24)
dataGrid1.Size = New System.Drawing.Size(368, 160)
dataGrid1.TabIndex = 0
Me.Text = "ADOFrm1"
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.ClientSize = New System.Drawing.Size(464, 273)
Me.Controls.Add(dataGrid1)
End Sub
End Class
|
