VS 2005 - Establish A Connection Between PC And Mobile Through IP Address
Oct 28, 2009
I want to start a new project on PC and Mobile Phone. But i'm still have so many question about the communication between PC and Mobile.
My project List:
1) My idea is establish a connection between PC and Mobile through IP address in first, but my question is 'How to do it' ? izit same like PC to PC by using Winsock open a port to access? i'm using VB.Net 2005 for PC and Net60 for mobile.
2)My mobile phone Nokia 6220 Symbian OS is support GPRS/3G. Since the GPRS/3G can connect to the internet, izit means mobile itself have a IP address and service provider in order to surf the web? So, can i connect my mobile phone to PC through this gateway?
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Sep 15, 2009
I want to know how to connect sql server 2005 to vb.net windows application
1)is there any connection string ?
2)if so i am using windows authendication in sql server 2005 management studio so am not entering any user id and
password to enter in sql server
3)so what should be the userid and password for the connection string can any one send me a sample code that i can refar
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May 20, 2010
I'm developing a device app in VB.net that will access a SQL Server database. I need to establish a connection when the app is launched, and keep the connection open until the app is closed. I've done the following:In the Master Module:
Public CNN
As SqlConnection
In the Main menu form load:
CNN =
New SqlConnection(sqlConnString)
CNN.Open()
Then when I want to read from the database:
Dim sqlDR
As SqlDataReader
SQL = "SELECT Name FROM Table"
[code]....
When I run the same code without the global CNN, but rather dim the connection inside the Select function, all works well.
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May 14, 2010
This will happen at random, and I can always just catch the error and re-establish connection to the server, but I am confused as to why. When doing lots of inserting into the sql server, I only establish one connection that is public, instead of many little connections. I had my doubts on a public sql connection, but it's been running great, and I've seen no problems until this morning. Again, this random moment I hit an error that stated, sql connection state is broken. Is it bad practice to just accept this error, and when it happens, re-establish the connection?
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Nov 15, 2011
I'm using Visual Studio 2005 and SQL Server 2000 for my vb.net desktop application..I'm having a SQL Server exception saying that "connection can't be established to the server.hen connecting to SQL Server 2005 this failure may be caused by the fact that under the default settings SQL Server does not allow remote connections. Also showing
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Jan 5, 2012
i have 2003 access database. why i cannnot connect to my database using the code below?
red
Public BioCon As New Odbc.OdbcConnection
Public GAdp As Odbc.OdbcDataAdapter
red
Public Function Execute(ByVal Qry As String, ByVal Con As Odbc.OdbcConnection) As Boolean
[Code]...
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Sep 14, 2010
I just can't seem to establish a connection between my two P2P applications over the internet(LAN works perfectly fine).
I have tried the following.
- Disabling Firewall
- Changing Port
The only way I can establish a connection is if I'm connecting to the same computer using the universal IP or the local. Does anyone have a fix for this? Oh and here is the error that I receive when trying to connect over the internet:
System.Net.Sockets.SocketException: No connection could be made because the target machine actively refused it 255.255.255.255:8787
at System.Net.Sockets.TcpClient..ctor(String hostname, Int32 port)
at P2P_Client.Form1.Msgtxt_KeyDown(Object sender, KeyEventArgs e) in C:\Users\Administrator\Documents\Visual Studio 2008\VB Projects\P2P-Client\P2P-Client\Form1.vb:line 32
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Oct 15, 2010
i use vb 2008 office 2007 , it's a powerpoint add-in application. I need to use a window form as a bluetooth interface.the working procedure is like that when i click the Enum button, it will help me to search for available bluetooth devices.but now i have an error, it shows "WCL ERROR: Specified transfer is not available"
[Code]...
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Nov 28, 2011
I have being trying without success to create a program that can establish a SSH connection with [URL] on a changeable post with a set username and password. The program when done will configure IE proxy settings and establish a SSH connection to [URL] to allow the user to browse the internet without restrictions.
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Sep 11, 2009
I'm designing a web service in ASP.NET and VS2008, and am using typed datasets for retrieving table data. These work well and establish their own connections through their associated TableAdapter objects. Edit: I'm using VB, BTW!I am now attempting to run a custom SQL string using a DataAdapter and a Command object, however I need to reference a Connection object in order for the Command to work. What is the best way to handle this?hould I:a) Create a global connection object using Global.asax, retrieving the connection string from web.config? (I've been trying that one already, with not much success)b) Create a class-level connection object using the InitialiseComponent method, also retrieving the ConnectionString from web.config?c) Retrieve a Connection from one of the TableAdapters that I've already created in my typed DataSets?d) Something else I haven't thought of yet?
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Dec 12, 2010
I have a project in Visual Studio 2008 and there is a working data connection to a MySQL database. In other words, I can query the db directly from Visual Studio and it will display the results.
I've tried a couple of approaches that I found online for writing a connection string and accessing the db, but no luck yet.
All I'm trying to do is code a button to query the db and then reset the text property of a label/textbox to display the results based upon another label/textbox value.
The pseudo-code I am imagining is something like this:
Private Sub query_submit_button_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles query_submit_button.Click
result_textbox.Text = SELECT field FROM table WHERE otherfield = key_textbox.Text
End Sub
I didn't see any related questions posted on SO - forgive me if I missed one that already exists and this is a dupe.
What is the correct way to accomplish this?
EDIT
Using MySQL 5.1
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Apr 16, 2010
I am unable to load the dat into the data Grid. Here is where I keep getting stuck.
dgvOleDb1 = table.Select
dgvOleDb1.DataSource = DataGridViewEditMode.EditProgrammatically
dgvOleDb1.DataSource = ds.Tables(0)
I am confused; I am using VB2010, IBM.iSeries.DB2 on an as400 V5R4. I am trying to establish an OLEDB connection, and return the values from the selected table to a DataGridView. I had one of the admin's make me file named GARBAGE, in the Rprtaccess catalog. In the past, I have been able to connect via access and an ODBC connection. My project is too big for access, and the SQL middleware we have is clunky and not user friendly. This is a program that will generate the SQL statements, specifically the WHERE: clause and populate the datagrid with the selected criteria. In essence I am making a user friendly striped down program, that has variables that are manipulated by the end user, and the rest, referenced tables and libraries are coded.
Imports System.Data.OleDb
Imports System.Exception
Public Class Form11
[code]....
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Jul 6, 2011
Are there any IP Address filters or masks available in Windows Forms as per following screenshot? A backslash shouldn't be allowed or it should be filtered somehow.
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Oct 4, 2009
it's simply connect to SQL and get name , mobile , last name , deaprtment , address data from table1 while id = 5?
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Feb 8, 2012
I am in process to develop an application for Windows Mobile 6.5 using Visual Basic 2005 and .NET Compact Framework. My problem is that I want to know if an instance of my application is already running and, in that case, I want to jump directly to that instance, without starting another one. I tried several solutions found on the internet but I think there are solution for desktop applications not for mobile applications because I have a lot of errors.
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Mar 20, 2009
is it possible to create application for my mobile phone Sony Ericsson to remote control my program using Bluetooth connection which have simple functions?I have came across one program that is able to do that which is floAt's Mobile Agent. It can control from media player, powerpoint slides and even mouse cursor movement.
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Oct 25, 2009
Is there a way I could block connections to an IP address (Incomming and Outgoing) in visual basic 2008? I have a different method, using the windows hosts file. I could make it redirect, but on the host file, could I make it launch a certain application when it blocks an IP. Like, launch a file called blocked.html that says "Webpage blocked" on it? and if u get this far, how can I see when an app attempts to connect to the internet. Like on bit defender firewall, say aim6.exe trys to connect to a server, how could i warn the user of this???? (Maybe using winsock)
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Sep 17, 2011
SMS Sending application in vb.net using GSM Modem of Mobile & AT Command where mobile numbers are dynamically coming from sql server database.
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Jun 12, 2011
heres the script basically it sets (supposed to) Local area connection ipv4 static ip address to 10.XX.XX.2 but it dosent work it works fine if you run cmd as addy and put the script in netsh interface ip set address "Local Area Connection" static 10.XX.XX.2
Dim txtlen As Integer = Len(TextBox2.Text)
Dim IPAddy As String = ""
Dim asciiSplit(4) As Char
[CODE]...
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Aug 25, 2010
I m trying to connect sql server to mobile device but dont know were to start
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Nov 12, 2009
I would like to create a mobile application for Windows Mobile, how can this be done? I have Visual Basic Express edition.
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Mar 9, 2010
Project to develop tidal height prediction system for mobile accplications. how to start! The first objective is to develop a calendar converter. i have tried to do the interface.
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Sep 13, 2010
with vb.net 2005 exp
(1) how to read MAC address
(2) what are the fundamentals ( i mean which .dll to import & any cautions to be fallowed)
(3) is the MAC address is the unique id over a network
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Dec 2, 2009
How can I get the IP Address for a user? Windows.Forms.SystemInformation.?
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Sep 16, 2009
How do i put a IP address in four textboxes (like this):
192.168.1.1
[192] <-- this is textbox 1
[168] <-- this is textbox 2
[code].....
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Apr 22, 2009
I am using a simple encrypt and descrypt for a IP address. The app on the remote server will encrypt the ip address and the client will decrypt it. However, when the client descrypts the IP I only get some of the IP address back. The rest is rubbish.
Before: 123.456.78.98
After: fheh&^G.78.98
[Code]....
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Aug 21, 2009
I am trying to access VB.Net exe on a client system through LAN.Its working fine for server with static IP address.In case I try to access it with server having dynamic IP address, It doesn't provide access(config file containing server name).
In Order to access that exe with dynamic IP I need to specify current IP address of server in config file.
How it's possible to access that with server name as it's not feasible to change IP address in config file on daily basis
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Oct 9, 2009
Im trying to make a email client, iv got it all working but im looking to validate the email address field to make sure that its actually an email address so it has a @ sign.Also one other thing is, when the client authenticates with gmail id like to catch the error if its not authenticating properly. Is there a way to do this?
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May 21, 2009
I am trying to download the source code from a web address using
For Each emailAddressLink As String In Form2.ListBox5.Items
'MsgBox(emailAddressLink)
Using MyWebClient As New System.Net.WebClient
[Code].....
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Apr 16, 2009
I know you can use regex to verify an email address format, but is there a way to, outside of sending an email to the address to verify that an email address is actually a working email address?
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