1. .NET + SQL SERVER
SQL Server +SP4

8. DataGrid
Button2

9. DataGrid
SQL Server
Connection
Command
DataAdapter
DataSet
DataGrid

10. code Dim cn As System.Data.SqlClient.SqlConnection
Dim cmd As System.Data.SqlClient.SqlCommand
Dim da As System.Data.SqlClient.SqlDataAdapter
' 建立與SQL Server資料庫的連線
cn = New System.Data.SqlClient.SqlConnection("uid=nwd;pwd=nwd;database=Northwind;server= ")
cmd = New System.Data.SqlClient.SqlCommand("select * from employees", cn)
da = New System.Data.SqlClient.SqlDataAdapter(cmd)
‘ 加入新的資料表
Dim dt As System.Data.DataTable = New System.Data.DataTable("employees")
da.Fill(dt)
DataGrid1.DataSource = dt

11. 部署與執行

12. 部署與執行

13. 部署與執行 －使用模擬器

14. 部署與執行 －使用模擬器

15. 部署與執行 －使用模擬器

16. 部署與執行 －使用PDA
請注意PDA畫面上的訊息
程式並未真正安裝到PDA上面

17. 部署至PDA

18. 建置封包檔
畫面會閃動建置封包檔

19. 建置封包檔－適合各種PDA

20. 安裝封包檔
點選執行
依照機型複製.CAB檔案到PDA上

21. 執行封包檔

22. 表單顯示與切換

23. 建立新表單

24. 表單方法 Close － 關閉表單 Hide － 隱藏表單 Show － 顯示表單 ‘ Form1呼叫顯示Form2
Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
Dim myfrm2 As New Form2
myfrm2.Show()
End Sub

25. .NET + SQL CE
由SQL Server下載資料

26. 由SQL Server下載資料

27. 由SQL Server下載資料

28. 由SQL Server下載資料 Module Module1
Public strremoteconnect As String ' SQL Server連接設定
Public localconnect As String ' sdf檔案位置設定
End Module

29. 由SQL Server下載資料 Form1 Imports System.Data.SqlServerCe
Imports System.Data.SqlClient
加入SQLCE參考

30. 由SQL Server下載資料
Form1
Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
' 跳頁到FORM2
Dim myfrm2 As New Form2
myfrm2.Show()
End Sub
Button3

31. 由SQL Server下載資料 Form2 設定SQL Server連接參數(strremoteconnect)
設定PDA上SDF檔案位置(localconnect)
Private Sub Form2_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
strremoteconnect = "provider=sqloledb;data source= ;Initial Catalog=wealth1;UID=mywealth;password=mywealth"
localconnect = "Data Source=\My Documents\wealth1.sdf“
End Sub

32. 由SQL Server下載資料
Form2
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
‘ 需要Imports System.IO，檢查sdf資料庫是否存在
If System.IO.File.Exists("\My Documents\wealth1.sdf") Then
System.IO.File.Delete("\My Documents\wealth1.sdf")
End If
' 改變游標形狀
System.Windows.Forms.Cursor.Current = System.Windows.Forms.Cursors.WaitCursor
‘ 建立資料庫
Dim eng As SqlCeEngine = New SqlCeEngine(localconnect)
eng.CreateDatabase()
' 恢復油標形狀
System.Windows.Forms.Cursor.Current = System.Windows.Forms.Cursors.Default
MsgBox("資料庫建立成功")
End Sub

33. 由SQL Server下載資料
Form2
Private Sub Button5_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button5.Click
' 下載資料
Dim strSQL As String = "SELECT * FROM goods"
Dim rda As SqlCeRemoteDataAccess = Nothing
Try
rda = New SqlCeRemoteDataAccess
rda.InternetUrl = "
rda.LocalConnectionString = "Provider=Microsoft.SQLSERVER.OLEDB.CE.2.0;Data Source=\My Documents\wealth1.sdf"
rda.Pull("goods", strSQL, strremoteconnect, RdaTrackOption.TrackingOnWithIndexes, "ErrorTable")
MsgBox("資料下載成功")
Catch ex As SqlCeException
MsgBox(ex.Message.ToString)
Finally
rda.Dispose()
End Try
End Sub

34. 由SQL Server下載資料
Form2
Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
Dim dt As System.Data.DataTable = New System.Data.DataTable("goods")
Dim cmd As New System.Data.SqlServerCe.SqlCeCommand
‘ 開啟sdf連線
Try
cn = New System.Data.SqlServerCe.SqlCeConnection("Data Source=\My Documents\wealth1.sdf")
‘ 使用command執行sql指令
cmd.CommandText = "SELECT * FROM goods"
cmd.Connection = cn
da = New System.Data.SqlServerCe.SqlCeDataAdapter(cmd)
da.Fill(dt)
‘ 在 DataGrid 顯示資料
DataGrid1.Visible = False
DataGrid1.DataSource = dt
DataGrid1.Visible = True
cn.Close()
cn = Nothing
Catch sqlex As SqlServerCe.SqlCeException
MsgBox(sqlex.Message.ToString)
Catch ex As Exception
MsgBox(ex.Message.ToString)
End Try
End Sub

35. 由SQL Server下載資料
Form2
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Me.Close()
End Sub

36. 由SQL Server下載資料
Form2
Private Sub Button6_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button6.Click
Dim localConnection As SqlCeConnection
localConnection = New SqlCeConnection(localconnect)
Dim insertData As String
Dim cmdCreateTable As SqlCeCommand
insertData = "update goods set stuid='11111' where name='abc'"
localConnection.Open()
cmdCreateTable = New SqlCeCommand(insertData, localConnection)
cmdCreateTable.CommandType = CommandType.Text
cmdCreateTable.ExecuteNonQuery()
localConnection.Close()
localConnection = Nothing
End Sub

37. 由SQL Server下載資料
Form2
Private Sub Button7_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button7.Click
Dim localConnection As SqlCeConnection
localConnection = New SqlCeConnection(localconnect)
Dim insertData As String
Dim cmdCreateTable As SqlCeCommand
' 需要設定 SQL Server上的uniqueidentifier的RowGuid=true才可以新增
insertData = "INSERT INTO goods (name,stuid) VALUES ('222ab','333ab')"
localConnection.Open()
cmdCreateTable = New SqlCeCommand(insertData, localConnection)
cmdCreateTable.CommandType = CommandType.Text
cmdCreateTable.ExecuteNonQuery()
localConnection.Close()
localConnection = Nothing
MsgBox("新增資料成功")
End Sub

38. 由SQL Server下載資料
Form2
Private Sub Button4_Click_1(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button4.Click
Dim rda As SqlCeRemoteDataAccess = Nothing
Try
rda = New SqlCeRemoteDataAccess
rda.InternetUrl = "
rda.LocalConnectionString = "Provider=Microsoft.SQLSERVER.OLEDB.CE.2.0;Data Source=\My Documents\wealth1.sdf"
rda.Push("goods", strremoteconnect, RdaBatchOption.BatchingOn)
MsgBox("資料上傳成功")
Catch ex As SqlCeException
MsgBox(ex.Message.ToString)
Finally
rda.Dispose()
End Try
End Sub