i'm using microsoft access and oledb.
i create a table which name "Product". Inside the "Product" table have 3 field: id, name, price. The name field i set as varchar and size is 50.
But now i want to change the name field size to 100 is that possible? How to do that? If cannot change the...
I have save reminder in registry, but when user uninstall my system the reminder is not clean up. I read on some article said that can use "Uninstall_Init()" and "Uninstall_Exit()" functionality to clean up. Can some one teach me how to do that?
can vb.net make batch/upgrade installer? so that when i want to update my system i no need to uninstall first and install again.
can some one teach me how to do that?
The procedure entry point_GetIUMS@4 could not be located in the dynamic link library MSDART.DLL
i receive above message when i try to run my system on other pc. Can some one tell me how to solve above problem?
i have use crystal report in my system, all work fine.
when i build a installer and setup my system to other pc the crystal report cannot work.
below is the message i get when try to create the crystal report.
hope someone can telling me what is the problem.
How to setup a connection for laptop and pocket pc using wifi?
i have a system which allow to send data from client to server. the system work in LAN so i believe it can work in wifi as well. but in order to do so i need to setup a connection first between laptop and pocket pc but i do not...
Dim Listener As Sockets.TcpListener
Listener = New Sockets.TcpListener(System.Net.IPAddress.Any, 12200)
Listener.Start()
========================================================
Private _listen As Sockets.Socket
Dim endPoint As New IPEndPoint(System.Net.IPAddress.Any, 12200)
_listen = New...
i hv successful installer my system to pc, but when i want to run the system below msg showing and my system can run as well.
COM object with CLSID {xxxx-xxxx-xx....} is either not valid or not register.
What is this error mean? i hv install my system in few computer all work fine!
how to drop index?
i'm using sdf.
i use DROP INDEX 'table.idxtable' but it cannot work. Some one told me because my index table is store unit key so cannot drop, is that true?
SELECT MobilePhone FROM tablePhone WHERE (REPLACE(Mobile_Tel1, '+', '')
why this statement cannot work in Microsoft.Jet.OleDb.4.0?
how to use replace in oledb?
i develop a system will can sync database between PC and PDA.
my database (ms access) is using primary key, after testing few days i found out a problem but i do not know how to solve it. Hope some one will help me~:D
my system allow user to backup and restore the database.
Because of...
do anyone know this problem?
after few thousand insert, delete, update command my database size will grown even there is no data inside my database!
why this will happen and slution to solve it?
my crystal report involve picture (take from ms access), the first time crystal report viewer display correct picture, but the second time picture no refresh it still showing the previous data picture. I need to click on the refresh button (few times) on crystal report viewer in order to let the...
i try to use some outlook express function. To do so i need to add the outlook express dll (as i know, maybe not), which can found in my computer outlook express folder, name "msoe.dll". But when i want to add references an error message pop up.
can anyone tell me how to add outlook dll or...
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