Adding A Database To An ASP.NET Web Service?

Aug 28, 2009

What I am trying to do it create a server application for all of the clients in my organization to connect to. I think the best way to do this is to use a web service.

Anyway, if I use a web service I need the web service(server) to connect to the database. In MS Visual studio when you add a web service project the data menu disappears and you can't add a data source to the project. There may be a workaround for this by hand coding this, but I am not sure how to do it. This is my first time working with a web service and ASP.NET so I am a real noob in this area.

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Adding A Database To A Web Service?

Feb 13, 2011

Anyway, if I use a web service I need the web service(server) to connect to the databasen MS Visual studio when you add a web service project the data menu disappears and you can't add a data source to the project. There may be a workaround for this by hand coding this, but I am not sure how to do it. This is my first time working with a web service and ASP.NET so I am a real noob in this are

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WCF Without Adding Service Reference In Vb?

Mar 28, 2012

I'm just a starter in silverlight and WCF. I came across a very good article here by Miguel A. Castro which teaches to add the WCF manually. I have the contract service setup and the only thing I left is to get the data back from the service in the silveright. I have a hard time translate the code to vb.net.

BasicHttpBinding basicHttpBinding = new BasicHttpBinding();
EndpointAddress endpointAddress = new EndpointAddress("/Person.svc");
IPersonService personService = new ChannelFactory<IPersonService>(basicHttpBinding, endpointAddress).CreateChannel();

[code]....

How should that be written in vb.net?

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VS 2005 : Adding A Web Service To An Existing App?

Aug 4, 2009

I have an executable that now has a requirement to expose data in XML format via a web service which can be queried by a browser.While I've seen tons about consuming web services and creating web services in web projects, I've not found anything that adequately explains adding such a service (or an equivelant) to an existing Windows app.

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VS 2008 Local Database Versus Service-based Database?

Jul 5, 2009

What is the difference between a local database and a Service-based database? I read the MSDN and searched the Inet.

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DB/Reporting :: Using Service-based Database As Remote Database?

Sep 20, 2011

Recently working in vb 2010 express. I'm using service-based database which is based on SQL Server. This database will be deployed at the server. Is it possible that multiple vb.net programs, which are installed in remote computers or client computers in the same network, connect to this database simultaneously? Does the service-based database support multiple connections?

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.net - WCF Service Hosted In A Managed Windows Service Connect Using A WCF Service Application

Jul 14, 2011

i have a Windows service that is hosting a WCF service through net.tcp and this is working great. I have also created a WCF service application. I am trying to add the net.tcp service reference to the service application. Then I add it to the GAC that goes ok but if I try to RegAsm the WCF service application to allow it to be called from Server.CreateObject I get the error:

Warning: Type library exporter encountered a type that derives from a
generic class and is not marked as
[ClassInterface(ClassInterfaceType.None)]. Class interfaces cannot be
exposed for such types. Consider marking the type with
[ClassInterface(ClassInterfaceType.None)] and exposing an explicit
interface as the default interface to COM using the
ComDefaultInterface attribute.

It does not work. I have tried to call it through a class library but this does not work either as the end point is not set correctly.

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Service Error Cannot Open <service Name> Service On Computer '.'

Feb 3, 2010

I have a VB2008 application which can control a windows service i.e. start, stop, pause etc. This runs ok on a Windows XP machine but not on a Win 7 machine (message is - Service error cannot open <service name> service on computer '.') ( if I stop the UAC then it runs ok ). It seems to be a rights issue,

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Adding A Windows Service Class To A Class Library

Feb 14, 2012

I have a class library in VB.NET that does a NET-envelope for an USB device driver.There is only one function of that driver that I could not envelope in a traditional class, but I had to put it in a Windows Service as described here:Sharing a class property (field) between applications.The Windows Service works fine, but I have now two projects for my NET-envelope: the one with the class library, the second with the windows service and I do not like the idea to maintain two distinct projects for the same driver.Is it a good practice (or even if possible) to add a windows service class to a normal class library (without creating its own project as described in the vb tutorial)?I know, in any case I should create a separate setup only for the windows service, but in this way I could have together all the classes that envelope my usb device driver in only one project.

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.net User Registration With SQL Service Database?

Jun 2, 2011

I want to create a log in and registration form in VB connecting to a sql database.

Databse Name: Users
Table Name: UserDetails
Table Fields: ID, Username, Password

The ID field was specifed as primary and self incrementing by 1 and the table has one username and password (being Id: 1, Username: peter, Password: admin). The Login form works, it checks to see if the user exists, if they do, they gain access, if not a message box is displayed. The Registration form however does not and I have no idea why, its probably something simple but yeah, hence the reason Im here! When I register I can add a user fine, and it wont allow me to add the same user, but when I look at the table, it is not updated :S and I have no idea why!! Even after registering the user closing the application and starting again, say I registered the following:

Username: Fred
Password: 123

Then I login with these credentials, it works. When I close the program and reopen the program, it still works and will not allow me to register a new user being Fred, 123. However after 3 or 4 minutes when I try again, the user no longer exisits and I can re-register with set credentials? The code is shown below (1st the login form that works, second the registration that doesnt).

Public Class Login
Private Sub btnOK_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnOK.Click
Dim connection As New SqlClient.SqlConnection("Data Source=.SQLEXPRESS;AttachDbFilename=|DataDirectory|Users.mdf;Integrated Security=True;User Instance=True")

[code]....

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DB/Reporting :: SQL Database With Windows Service?

May 14, 2008

1. I have a windows service type of application that first creates a database on the local SQL server (and a table). It then starts putting data into the table.

2. This works fine when running as a normal application but due to permissions, when it is run as a service, it can create a database but then fails to connect to it to create the Table. I understand that because its a LOCAL SYSTEM service, SQL might have problems but why does it let it create a database but not a table?? .

3. Is there anyway I could hard code a USER NAME for this database my application creates and then use it to get in? As it uses an exclusive database, I don't want to prompt the user for an SA account (and their sql may not be mixed mode).

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How To Add Service-based Database Application?

Apr 17, 2010

I'm developing a program working with database. Id like to use the Service base database but it gives me an error when I try to add it in my project Project > Add new Item > Service-based database

I wanted to use this database so I could make a table in it.

Error:

Connections to SQL Server Files (*.mdf) requires SQL Server Express 2005 to function properly. Pls verify of the component or download from the URL

go.microsoft.com/fwlink/?LinkId=49251

But when i go to that site its just the vs express websites.

Im using VS2008 Pro. I also installed other files like SQLEXPRADV_x64_ENU

Am I missing something that i need to install?

I already have "SQL Server Management Studio" listed in All Programs> Microsoft SQL Server 2008

Even the SQL Server Compact 3.5 is already installed

How will I know if I properly installed the required components or application?

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Monitor A Database With A Windows Service?

May 26, 2008

I'm using VB.NET 2008 (framework 3.5). I would like to check permanently if a new entry (row) is added to a table in particular, (is there some equivalent of the FileWatcher for DB ?...)

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Update Remote Database Via Web Service?

Aug 13, 2011

I am writing a vb.net client application that uses a web service to connect to the remote database.So far I am able to connect to the web service and read, add new and delete data from the database. I am having a hard time updating data.

I have a datagridview control that is bound to a dataset retrieved from the remote database using the web service.When a record is edited in the datagridview control, I need the dataset that is bound to that control to be updated and then that updated dataset to be sent to the webservice to update the remote database.

My client code in the btnUpdate_Click event

dim new_ds as new dataset = datagridview1.datasource
Dim es As New testwebservice.equipmenttracker 'the web service reference
dim msg as string = es.updateequipment(new_ds)
messagebox.show(msg)

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VS 2008 Connect A Service With SQL Database

Mar 17, 2009

I want to create a service which will connect to the database. So that it can capture any session changes in my laptop namely Login, Logoff Screen Lock & Screen unlock. Then the same can be captured & updated in the database.How to provide the connectivity between the service & the database.How to go about capturing the session change date & time.

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VS 2008 Connect To Database From A Service?

Nov 20, 2009

I am developing an applikation that uses an access database for storing records. The form app is for the users to add and change data in the database and so on.

but then I should have a service to cycle thru the database to check some criterias and so on to trigger events etc. No problem with the service part, found this articel [URL]... With the form application i have no problem to connect to a database and manupulate the records etc..In the service app i have to manualy code the connection to the database. Does someone have a tutorial or could help me with some examples code for manualy connect and move in a table?

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Web Service Insert Into Access Database?

Mar 3, 2009

I want to create a Web Service that will insert values into a access database.

Probably be something like this but dont no the code enough to complete:
[WebMethod]
public void CreateUser(string name, string password)

[Code].....

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Creating Web Service To Connect With SQL 2005 Database?

Oct 23, 2008

how to write a web to connect SQL 2005 database by having the SQL sa password in the config in encrypted formatted.

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Using Service-based Database In A .NET 2010 Project?

Nov 18, 2010

If I add a service-based database to my VB.NET (2010) Winforms solution, is there a way to connect to this database from SQL Server Express Management Studio on the same computer?

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Web Service - Insert Values Into Access Database

Mar 3, 2009

I want to create a Web Service that will insert values into a access database. Probably be something like this but dont no the code enough to complete:
[WebMethod]
public void CreateUser(string name, string password) {
msConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=R: C:events.mdb"
****Insert code e.g. INSERT INTO eventstbl(User, pass) Values(name, password)***}

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Windows Service Interacting With SQL Server Database?

Dec 24, 2010

I have a windows service application that is meant to interact with SQL server database (INSERT, UPDATE, ETC). The windows service application is also multi-threaded.I created an "App_Data " folder to keep my database and used app.config file for connection information, etc.

After installing and starting the service, nothing happens, the database doesnt get updated, etc.

Has anyone ever written a windows service application that interacts with a database? Kindly advice me on how to overcome this problem..

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Cannot Create Visual Basic Service-based Database

Aug 13, 2011

When ever I try to add Service-based Database in Visual Basic 2010 Express Edition it just prompts me a message.

And if it means anything this error started showing right after I installed
Visual Studio 201 Professional test.

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Is This A Secure Method Of Providing Service For Database Applications

May 10, 2012

WinFormsApp Login passes information to .php (server based) Login (provided credentials are correct) to DB to retrieve Decryption Key. WinFormsApp then uses Decryption key on Hardcoded encrypted connection string and renders application usable.This would then eliminate the necessity to encrypt/decrypt a connection string at runtime, virtually rendering any unauthorized person with a useless software.

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Service-Oriented Database Stores Data Temporarily

Feb 28, 2011

I am working on a database for a program. I used the .mdf file, created a table, and tried to store data in it.I did not build the program yet. I am still using it on a test drive or debug mode.I added three records to the database.I closed the program for 10 minutes and went back to writing code for it.When I opened up the program again, the database only showed that I had one record.This happened before and after I wrote other code for my program.I only started having the problem today?Is it possible that there is not enough room in the database to store all the records? The variable sizes for 3 of the fields are 400, 500,500, and 1000 and the other fields are like 50 each.All together there are 7 fields. I encountered the error after i had made one of the fields a look up field.In this field, basically I loaded categories stored in an extra files into the comboBox so users can select values without having to retype it.

Can you tell me what the error is and how I can fix it or what I am doing wrong in the program?How do I set up another table and query it to pull the values I want for the comboBox field?

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Update Dataset Back To Remote Database Via Web Service

Jul 14, 2011

I am connecting to a web service that returns a dataset that I use as a datasource for a windows client datagridview.

Once a user has made changes to the datagridview record(s), how do I get those changes back to the connected dataset and back to the remote database.

I wrote the sql update function in the service:

Code Snippet from web service

<WebMethod()> _
Public Sub Update_equipment_repair(ByVal repair_id As Int64, ByVal date_entered As DateTime, ByVal date_sent_in As DateTime, ByVal date_returned As DateTime, ByVal damage_description As String, ByVal vendor_id As Int64, ByVal repair_description As String)

[Code]....

This displays the records perfectly and I figured out how to delete and insert records via web service.

writing updates from the datagridview back to the database.

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Update Dataset Back To Remote Database Via Web Service?

Jul 14, 2011

I am writing a small windows client application that accesses data using a web service that returns datasets.When the dataset is returned, a datagridview's datasource is set to the dataset.

My question is, how do I write changes that were made in the datagridview back to the dataset and then back to the remote database.

[Code]...

Now the client snippet that connects to the service and lists the equipment

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Web-Service: Authenticate Users With The SQL Server Database Table Using VB?

Apr 8, 2012

how to authenticate users with the SQL Server database table using VB as a web service. I managed to connect to the SQL server via this VB code;

Public Sub ConnectToSQL()
Dim con As New SqlConnection
Dim cmd As New SqlCommand

[Code].....

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Running VBA Functions In A Server Side Access Database From A WCF Service

Sep 23, 2011

I've been researching for days and I've gotten to the point where my WCF service creates an Access object via com/interop.I've ran the Open Current Database call for the Access object without an error but Application.CurrentDB is still nothing/null. If the CurrentDB is nothing then I surely can't call Application.Run "myFunction" I realize WCF services aren't meant to be user interactive, but it's a long story why I'm trying to go this route. Basically I need to have a proof of concept ready sooner rather than later and the alternative (correct) route involves the complete re-writing of a large complex access VBA application. It's not a permissions issue, I have the IIS user names added to the security tab. What I really need is a way to set Environment.UserInteractive to true so my WCF service can create an instance of Access on my server machine, run the VBA functions, close out, return true.I'm using VS 2010 for the WCF, IIS 7 for my server, Access 2010 for the VBA application.

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VS 2010 VB - Create A NotifyIcon Program - Service That Every Second Looks At A Database To See If Anything Has Changed

Dec 22, 2011

Im Trying to create a NotifyIcon Program. I want this to basically be like a service that every second looks at a database to see if anything has changed this is the module thus far

Imports System.Data.OleDb
Module ModNtifi
Public conn As New OleDbConnection("Provider=Microsoft.ACE.OLEDB.12.0;Data Source=\MyserverMyDatabase.accdb ;Persist Security Info=False")

[CODE]...

The Problem i am getting is that after the start procedure has finished the program closes. i want it to start the the timer and then keep it going till the user exits the program manually.

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Write A Windows Service Used As SMS Gateway To Push And Pull Sms To Database

Aug 21, 2010

Who can write a windows service used as SMS gateway to push and pull sms to database..

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