Visual Basic was derived from BASIC and enables the rapid application development (RAD) of graphical user interface (GUI) applications, access to databases using DAO, RDO, or ADO, and creation of ActiveX controls and objects.
you can easily import Excel to DataTable with this Excel VB.NET library.
After that with DataAdapters and ADO.NET you can update SQL database.
For Updating Data Sources with DataAdapters...
I need to open a form with criteria. If I use the wizard I get the following codestDocName = "frmCrisisLog"
stLinkCriteria = "lngCaseID = 1305384"
DoCmd.OpenForm stDocName, acNormal, ,...
The example I provided is very basic, but the objects which I use provide methods to do nearly anything you'd want with your database.
It does demonstrate the basic CRUD commands (Create, Read,...
I am doing my faculty evaluation system and I have many problems to be solve. My questions are:
1. How to choose a specific row in MS Access?
2. How to get multiple...
I looked over the examples supplied but they appear to only support CRUD actions against the Access database. Could you show how to code for a SQL query and explain how and where the processing...
Thank you Sean. I had grown fond of using Access 2003 to rapid protype but was very turned off by Access 2007. I like the idea of using all the flexiblity of VB.NET and Visual Studio yet get away...
Using a TreeView in .Net is only slightly different than VB6, as is connecting to and retreiving data from an Access Database.
I have not used the TreeView extensively, and could not convert your...
I'm afraid that my question wasn't clear, I meant How can I extract data from database and display them in the second List, and that's right "WHERE" statement will be needed..
here is the code I...
when i use adodc1.recordset.addnew, it only replaces the first data. it doesnt add a new one. why is this hapening? how can i solve it? pls help .. i need it badly., :((
then on pressing 'Next' Button shows error like this.
SQL State : '01000'
SQL Server Error :10061
Connection Open (Connect()).
I'm in need to create a windows service that accesses an URL at given intervals, while easy to do as a desktop application, I'm struggling to turn it into a windows service.
Chances are you are using the wrong connectionstring, visit this site and pick the connection string that best fits your scenario:
one more question i forgot.
can you suggest me a book or a site for creating that kind of sql please
Understanding computer networking basics is pretty important, I suggest brushing up on your computer networking knowledge as it seems you may be a bit rusty in this area. Here are some tutorials on...
Hello My good friend,
I think I have finally understood all you have been saying. From what I understand, you are telling me that everything centers on the connection string.
I have checked...
Read and fully understand this:
Then read and fully understand this:
I want to develop this application as a general one and do not know the name of the server in which the application will be used.
Since the connection string will require the server name, port...
The first and foremost thing that you need to do there is to create a database where it stores data(specifically employee's profile) that can export/import data's(optional).
After which, prepare...