Build Client-server And Sql Server Application?

Oct 26, 2009

i'm newbie in this programming..i need some references or a starting guide to build an sql server and vb.net application.

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Build A Client Server Application?

Jun 3, 2011

i currently have a project. The application created in this project will be located in a server, and some machines can access this application at the same time. The problem is, i don't know what's needed to connect that application to several machines. I know how to build this application and run it in a single machine, but i have no idea about running this on server.

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SQL Server 2008 Configuration For Client Server (Windows Form) Application

Apr 6, 2012

Case : I'm creating an application (desktop application) with VB.NET (actually windows form), and using SQL Server Express 2008 for its database.

[Code]...

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Client Server Application - How To Make Clients On Sql Server

Sep 24, 2010

How to make clients on sql server i mean when i will install my application on clients how i will connect it with sql server?

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Server/Client - Basic Tcp Server/client Application

Mar 30, 2009

I've basically made a basic tcp server/client application. The thing is that I'm behind a router and so will be the other people that use my clients. I've had to use port-forwarding or the software "rinetd"to run quite a few applications online.

Let me explain: I'm on a lan network that connects to the internet. Whenever I want to host a server - for instance a basic ftp or http server. If I give my external IP to anyone, they won't be able to access my server. Even if I portforward, it doesnt work. I have to use rinetd here. For other applications, portforwarding works. I'm not sure how these things work at all.

Anyway, my issue now is that I have created this server/client application. I'm having serious doubts that if I run the server, I'll have to either a) portforward or use rinetd to get people to connect to my server. IF I need to portforward, that's fine. However, using rinetd would really suck... My 2nd concern is as follows: IF the person running the client is in a similar situation as me (i.e he's on a lan that has a router which connects to the net), will he have to portforward or use rinetd as well? If he portforwards that's fine. But I don't think I could get people to use rinetd.... Also, if there are more than 1 person on a lan trying to connect to my server, there is a big problem when they try to portforward: they will only be able to allocate one of their internal ip to that port, and the others won't be able to connect, right? How does this work? I mean, I use many softwares like msn/skype/(some games)/firefox that do not need portforwarding/rinetd. Yet they work. My housemates(other people on the lan) use the same softwares, and it works fine. There's no clash/probs watsoever How come these run fine?

Anyway, back to my issues. Given I have no knowledge about how the above work, I was wondering whether there was a way to host a vb .net server application on an external website (external to my house) so that I might *avoid* the above mentioned problems, and to what extent that would be a sound solution.

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Client Needs To Have Sql Server On His Machine If Application Uses Sql Server?

Jul 16, 2009

I am creating small application (desktop search engine) which uses sql server as back end. Sql server is used to store huge data using indexing (for quick search). Is it necessary that client should have sql server on his machine to run the application? I don't want to install sql server on client's machine, because my application is just a small utility.Is there any other way so that I can store huge data using indexing?

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Using Vb Express 2005 Build A Client And Server Connection?

Aug 9, 2010

i need to know about how to build connection with server and client? eg: my server is 140.134.5.1 and my client need to connect to it to do communication,how should i do?

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VS 2008 TCP Server / Client - Client To Send The Server 4 Numbers - Depending On The User's Choice

May 9, 2009

how to create a client/server... But I couldn't... I don't want anything fancy. Just want the client to send the server 4 numbers, depending on the user's choice; after that, the server would turn off the pc, restart it, etc. It all depends on the number received. Is there a rather "simple" way to do it? If it's not to much trouble you could use Atheist's example. (Btw I don't understand the code and, yes, I've checked on [URL])

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VS 2010 : Send Data From Client To Server (encrypted) And The String Sent From The Client Is Not The Same As Received From The Server?

Jun 27, 2011

Hey guys, I am trying to send data from client to server (encrypted) and the string sent from the client is not the same as recieved from the server. I've been killing my brain for hours to get this to work but I cant manage. Im converting everything to Base64 string.

Client:

Public Sub SendMessage(ByVal msg As String)
Try
SyncLock myclient.GetStream
sw = New IO.StreamWriter(myclient.GetStream)

[code]....

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Create Client-server App, In Which Client Can View Files On Server?

Nov 15, 2011

basically i just want client to say "C: emp" ENTER

then, server must reply with all its files in c: emp

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Communications :: Client-server Communication Program - Click On CmdListen In The Server Form And CmdConnect In The Client Form

Jul 23, 2008

The problem I have is: When I click on cmdListen in the server form and cmdConnect in the client form,both programs won't respond and they crash for some reason I don't know.

Client source code:

Code:

Imports System.Net.Sockets
Imports System.Text
Public Class Form1

[CODE]...

Code:
Imports System.Net.Sockets
Imports System.Text
Public Class Form1

[CODE]...

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How To Build Application Sharing Server

Jun 12, 2011

i want to know what i need to build an application like terminal services or xenapp ( citrix server)

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Client Server Application In .net?

Jun 4, 2011

i am creating a client server application using vb.net with odbc as my data source to sql server 2005.send me a code that will enable the application running on a client machine to connect to a remote server.the application is to run on LAN and other client machines are on same domain.

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Remote Desktop Application? Safe To Use Winsock In Creating A Client/server Application?

Jul 18, 2012

Im planning to create a Remote Desktop Application and I'm having problem with viewing other computers monitor or screen.

Im not asking for the code on how to do it. and one more thing is it safe to use winsock in creating a client/server application?

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Build System Inventory To Server - Client System

Jun 3, 2011

how to build system inventory that multiuser..1 server and 1 more is client using lan connection..i dont no keyword to search in google..

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Application Is Now Running On Server Or Client?

Nov 8, 2010

I use VB.NET for a Windows application.

How can I find out if the application is now running on a server or client (programmatically)?

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Client Server Windows Application

Oct 28, 2009

I have developed 2-3 standalone windows application using VS2008(vb.net) + Sql server (2008,2005) and quite comfortable with stand alone windows application. Now i am trying to make a windows app which will share a server database on LAN. I googled alot about this but still no success. So i decided to make that as stand alone app and i just changes the connection string to use remote server database. Everything is working fine still. All the insert, update and delete query are same as stand alone n me not getting any problem while testing through one more remote client system. But while googling i heard abt "CONCURRENCY" control.So please guide me is anything wll b wrong in future wid my this application when i will deploy this to my users? What about locks and how can i implement this to my Insert, update and delete queries to control concurrency and maintain integrity ?Please guide me step by step becoz i m new be to client/server application.

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Client-server Chat Application

Jan 15, 2012

I made one client-server chat application using vb.net. I want to know how can i change the form/icon color when a client sends a message and vice versa.

for eg: like in yahoo messenger or msn messenger,etc, How i user knows when he receives an message.

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Create A Server And Client Application?

Jun 7, 2009

I am trying to create a a server and client application. All that I want to do is have a client that has a picture box. The server will send an image to the picture box and the client will display it. I have looked online to find some tutorials but most of them just show how to do a connection and usually only with a console application.

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Create An UDP Server/Client Application?

Jul 8, 2011

Create an UDP Server/Client Application?

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Creating A Server Client Application

Jan 21, 2011

First of all, I want to say sorry if this is not a correct forum. I have built several standalone applications up until now. But now I need to create a server client application, the only database is on the server. The application itself is installed on all the client computers but not all of them are granted the same level of access to the database.

[Code]...

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MultiThread In Client Server Application?

Aug 9, 2009

SERVER
Im using this code:
Imports System.Threading
Imports System.Net.Sockets

[code]....

but when i tried to run the application, it hangs even if i wait several minutes.., is there something wrong with the code..

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Server Client Interface Application?

Apr 13, 2011

I want to create a server client application in which The server will communicate with the client and give them commands. I did the same in visual basic 6.0 using Winsock component.Now I want it to implement using Visual Basic 2008, how to do it and which component to use.

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VS 2008 Multi-User Chat Program (Server & Client) With Main Server?

Aug 10, 2009

Multi-User Chat Program (Server & Client) with Main Server?

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Clinet/server The Server Broadcast Media Files To Client I Used Tcp/ip Protocol?

May 13, 2011

i have 2 application clinet/server the server broadcast media files to client i used tcp/ip protocol the server code is work good but i have a problem in client code i need ineed someone to correct the code .iwll show where the error is in the code note: i call the class in the main form dim a as recive in the starter of the main form class to be gloable .

[Code]...

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The SMTP Server Requires A Secure Connection Or The Client Was Not Authenticated. The Server Response Was 5.5.1 Authentication Required

Nov 28, 2009

This emailing code wont seem to work in my program. I get an exception "The SMTP server requires a secure connection or the client was not authenticated. The server response was 5.5.1 authentication required."

Imports System.Net.Mail
Public Class emailStudent
Private Sub sendEmailButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles sendEmailButton.Click
SendMail()

[code]....

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Difference Between SQL Server Native Client And SQL Server DSN To Support SP Execution?

Jul 9, 2009

I wrote a VB code to call a sp in sql server 2005, which returns a recordset as follows:Dim objRecordset As ADODB.Recordset Set objComm = New ADODB.Command

Set objRecordset = objComm.Execute If Not objRecordset.BOF And Not objRecordset.EOF Then
Set objRecordset = objRecordset.NextRecordset I need to continue to get next recordset since there are many select statements inside the sp which I need to get the data. The code works fine when I create the DSN using SQL Server but it does not work when using the connection string or SQL Server Native Client DSN. It either breaks at Set objRecordset = objComm.Execute ( connection string )or at If Not objRecordset.BOF And Not objRecordset.EOF Then(SQL native client )

I have worked on this for a couple of days now and could not figure it out.Is this a bug in SQL Native Client or something related to some configuration on the database side? IS there a way I can change the connection property to get this working using SQL native client or connection string?

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Info: Multithreaded Server Socket Program Or Client/Server?

Oct 26, 2011

I made a simple TCP server (I've found the example on the web) in VB to receive data from about 40 TCP clients.The clients are not synchronized but sends data about every 18 minutes; the problem is sometimes several clients sends data at the same moment, so I can't receive data.I also made a second program that reads the data (server program writes data on a file, read from the second program) scheduled.

My question is this: I've seen on the web examples about Multithreaded Server Socket Program, so I suppose this could manage my 40 clients (but now the clients are syncronized and send data at the same time in client mode) or is better get data (I have a central client that asks data to all 40 devices in server mode)?

Second question: can I make a single program where I run both TCP client and TCP server at the same time?

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Access Or Run File From Server In The Client Application?

Sep 15, 2011

I would like to ask some advise for the best thing to do regarding with this matter. Im working with a client-server application and I should run a pdf file from the server in the client application. The file name is the only saved in the database(MySql) and the full path is in the server. What technique should i used i order to access this file in the server., I planned to use the winsock. Im working in vb.net.

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Client Server Application That Uses File Sharing

Mar 3, 2009

I want to build an application(the client and server) that the clients would be able to see and modify only certain files on the server depending on their credentials. For example, a specific client can read/modify a word file, but another cannot. And the server should specify which client has which rights. After a client has made any change in a file, every other clients should be notified by email. I've read some articles about .Net Remoting but I still don't know how to make a client see/modify files on the server.

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