VB.NET DataGridView.DataSource属性代码示例

' 导入命名空间
Imports System.Data
Imports System.Data.SqlClient
Imports System.Windows.Forms
Imports System.Drawing
Public Class Form1
    Inherits System.Windows.Forms.Form

    Private WithEvents dataGridView1 As New DataGridView()
    Private bindingSource1 As New BindingSource()

    Public Sub New()

        Me.dataGridView1.Dock = DockStyle.Fill
        Me.Controls.Add(Me.dataGridView1)
        InitializeDataGridView()

    End Sub

    Private Sub InitializeDataGridView()
        Try
            ' Set up the DataGridView.
            With Me.dataGridView1
                ' Automatically generate the DataGridView columns.
                .AutoGenerateColumns = True

                ' Set up the data source.
                bindingSource1.DataSource = GetData("Select * From Products")
                .DataSource = bindingSource1

                ' Automatically resize the visible rows.
                .AutoSizeRowsMode = _
                    DataGridViewAutoSizeRowsMode.DisplayedCellsExceptHeaders

                ' Set the DataGridView control's border.
                .BorderStyle = BorderStyle.Fixed3D

                ' Put the cells in edit mode when user enters them.
                .EditMode = DataGridViewEditMode.EditOnEnter
            End With
        Catch ex As SqlException
            MessageBox.Show("To run this sample replace " _
                & "connection.ConnectionString with a valid connection string" _
                & "  to a Northwind database accessible to your system.", _
                "ERROR", MessageBoxButtons.OK, MessageBoxIcon.Exclamation)
            System.Threading.Thread.CurrentThread.Abort()
        End Try
    End Sub

    Private Shared Function GetData(ByVal sqlCommand As String) _
        As DataTable

        Dim connectionString As String = _
            "Integrated Security=SSPI;Persist Security Info=False;" _
            & "Initial Catalog=Northwind;Data Source=localhost"

        Dim northwindConnection As SqlConnection = _
            New SqlConnection(connectionString)

        Dim command As New SqlCommand(sqlCommand, northwindConnection)
        Dim adapter As SqlDataAdapter = New SqlDataAdapter()
        adapter.SelectCommand = command

        Dim table As New DataTable
        table.Locale = System.Globalization.CultureInfo.InvariantCulture
        adapter.Fill(table)

        Return table

    End Function

    <STAThreadAttribute()> _
    Public Shared Sub Main()
        Application.Run(New Form1)
    End Sub

End Class

' 导入命名空间
Imports System.Data.OleDb
Imports System.Data

Imports System.Windows.Forms

public class LoadAccessDataToDataView
   public Shared Sub Main
        Application.Run(New Form1)
   End Sub
End class
Public Class Form1

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Dim ConnString As String = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=MyMDB.mdb"
        Dim SQLString As String = "SELECT * FROM TestDB"
        Dim OleDBConn1 As System.Data.OleDb.OleDbConnection = New System.Data.OleDb.OleDbConnection(ConnString)
        Dim DataSet1 As New DataSet()
        Dim OleDbDataAdapter1 As System.Data.OleDb.OleDbDataAdapter = New System.Data.OleDb.OleDbDataAdapter(SQLString, OleDBConn1)
        OleDBConn1.Open()
        OleDbDataAdapter1.Fill(DataSet1, "TestDB")
        DataGridView1.DataSource = DataSet1.Tables("TestDB")
    End Sub
End Class


<Global.Microsoft.VisualBasic.CompilerServices.DesignerGenerated()> _
Partial Class Form1
    Inherits System.Windows.Forms.Form

    'Form overrides dispose to clean up the component list.
    <System.Diagnostics.DebuggerNonUserCode()> _
    Protected Overrides Sub Dispose(ByVal disposing As Boolean)
        If disposing AndAlso components IsNot Nothing Then
            components.Dispose()
        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.
    <System.Diagnostics.DebuggerStepThrough()> _
    Private Sub InitializeComponent()
        Me.Button1 = New System.Windows.Forms.Button
        Me.DataGridView1 = New System.Windows.Forms.DataGridView
        CType(Me.DataGridView1, System.ComponentModel.ISupportInitialize).BeginInit()
        Me.SuspendLayout()
        '
        'Button1
        '
        Me.Button1.Location = New System.Drawing.Point(35, 289)
        Me.Button1.Margin = New System.Windows.Forms.Padding(4, 4, 4, 4)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(171, 29)
        Me.Button1.TabIndex = 0
        Me.Button1.Text = "Read Access"
        Me.Button1.UseVisualStyleBackColor = True
        '
        'DataGridView1
        '
        Me.DataGridView1.ColumnHeadersHeightSizeMode = System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.AutoSize
        Me.DataGridView1.Location = New System.Drawing.Point(16, 15)
        Me.DataGridView1.Margin = New System.Windows.Forms.Padding(4, 4, 4, 4)
        Me.DataGridView1.Name = "DataGridView1"
        Me.DataGridView1.RowTemplate.Height = 23
        Me.DataGridView1.Size = New System.Drawing.Size(503, 266)
        Me.DataGridView1.TabIndex = 1
        '
        'Form1
        '
        Me.AutoScaleDimensions = New System.Drawing.SizeF(8.0!, 15.0!)
        Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
        Me.ClientSize = New System.Drawing.Size(535, 332)
        Me.Controls.Add(Me.DataGridView1)
        Me.Controls.Add(Me.Button1)
        Me.Margin = New System.Windows.Forms.Padding(4, 4, 4, 4)
        CType(Me.DataGridView1, System.ComponentModel.ISupportInitialize).EndInit()
        Me.ResumeLayout(False)

    End Sub
    Friend WithEvents Button1 As System.Windows.Forms.Button
    Friend WithEvents DataGridView1 As System.Windows.Forms.DataGridView

End Class