How to Autocomplete a TextBox with Multiple Columns Using VB.net And MS Access Database

How to Autocomplete a TextBox with Multiple Columns Using VB.net And MS Acces Database,auto complete textbox,

1.Open Visual Basic 2010, make an extend and do the Form simply like this. 

2.Double snap the Form and do the accompanying codes over the Form_Load. 

1. 'Pronounce A STRING VARIABLE TO PUT YOUR QUERY ON IT 

2. Diminish question As String 

3. 'Pronouncing A VARIABLE AS OLEBDCONNECTION TO REPRESENT AN OPEN CONNECTION TO THE DATA SOURCE 

4. 'Right now, GOING TO PUT A CONNECTION STRING THAT REPRESENTS A PROVIDER AND A DATA SOURCE. 

5. Diminish con As OleDb.OleDbConnection = New OleDb.OleDbConnection("Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" _ 

6. & Application.StartupPath & "\people.accdb;") 

3.In the Form_Load , do this code for the autocomplete of a Textbox 

1. Private Sub Form1_Load(ByVal sender As System. Article, ByVal e As System. EventArgs) Handles MyBase.Load 

2. 

3. Attempt 

4. 'OPENING THE CONNECTION 

5. con.Open() 

6. 'PUTING THE VALUE ON A VARIABLE THAT YOU HAVE BEEN DECLARE ON THE TOP 

7. question = "SELECT * FROM tblpeople" 

8. 'Proclaiming A VARIABLE AS OLEDBDATAADAPTER 

9. 'TO REPRESENTS A SET OF DATA COMMANDS AND A DATABASE CONNECTION 

10. 'THAT ARE USED TO FILL THE DATASET/DATATABLE AND UPDATE THE DATA SOURCE 

11. 'PUT HERE YOUR COMMAND TEXT AND A CONNECTION STRING 

12.Dim da As OleDb.OleDbDataAdapter = New OleDb.OleDbDataAdapter(query, con) 

13. 'Announcing A VARIABLE AS DATATABLE 

14. 'Speak to ONE TABLE IN THE DATABASE 

15. Diminish dt As New DataTable 

16. 'FILLING THE DATATABLE 

17. da.Fill(dt) 

18. 'Announcing A VARIABLE AS DATAROW 

19. 'Speaks to A ROW OF DATA IN THE DATATABLE 

20. Diminish r As DataRow 

21. 'Freeing THE DATA IN THE CUSTOM SOURCE From A TEXTBOX 

22. txtsearch.AutoCompleteCustomSource.Clear() 

23. 'Proclaiming A VARIABLE AS INTEGER AND STORE THE MAX COLUMN OF THE DATATABLE 

24. Diminish maxcolumn As Integer = dt.Columns.Count - 1 

25. 

26. For Each r In dt.Rows 

27. For I As Integer = 0 To maxcolumn 

28. 'Including THE DATA OF THE DATATABLE IN THE CUSTOM SOURCE OF A TEXTBOX 

29. txtsearch.AutoCompleteCustomSource.Add(r.Item(i).ToString) 

30. Next I 

31. Next r 

32. Catch ex As Exception 

33. MsgBox(ex.Message) 

34. End Try 

35. 'Shutting A CONNECTION 

36. con.Close() 

37. End Sub 

4.Go back to the Design Views, double tap the Save Button and do the accompanying code for embeddings the information in the Database. 

1. Private Sub btnsave_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnsave.Click 

2. 

3. Attempt 

4. 'OPENING A CONNECTION 

5. con.Open() 

6. 'PUTTING THE VALUE ON A VARIABLE THAT YOU HAVE BEEN DECLARE ON THE TOP 

7. question = "Supplement INTO tblpeople (FIRSTNAME,LASTNAME,ADDRESS) " _ 

8. & "Qualities ('" & txtfname.Text & "','" & txtlname.Text & "','" & txtaddress.Text & "')" 

9. 'Proclaiming A VARIABLE AS OLEDBDATAADAPTER 

10. 'TO REPRESENTS A SET OF DATA COMMANDS AND A DATABASE CONNECTION 

11. 'THAT ARE USED TO FILL THE DATASET/DATATABLE AND UPDATE THE DATA SOURCE 

12. 'PUT HERE YOUR COMMAND TEXT AND A CONNECTION STRING 

13. Diminish da As OleDb.OleDbDataAdapter = New OleDb.OleDbDataAdapter(query, con) 

14. 'Proclaiming A VARIABLE AS DATATABLE 

15. 'Speak to ONE TABLE IN THE DATABASE 

16. Diminish dt As New DataTable 

17. 'FILLING THE DATATABLE 

18. da.Fill(dt) 

19. 

20. MsgBox("Data has been spare", MsgBoxStyle.SystemModal, "Spare") 

21. Catch ex As Exception 

22. MsgBox(ex.Message) 

23. End Try 

24. 'Shutting A CONNECTION 

25. con.Close() 

26. 'CALLING THE FIRST LOAD TO REFRESH THE DATA IN THE CUSTOM SOURCE OF A TEXTBOX 

27. Call Form1_Load(sender, e) 

28. End Sub 

labels:- How to Autocomplete a TextBox with Multiple Columns Using VB.net And MS Acces Database