Unable To Connect To Database Using Both Tableadapters.fill & Sql Code
Mar 27, 2011
Running off my laptop: Visual Basic 2010 Express & SQL Server 2008 . I've successfully been able to use the connection wizard to connect to my database in vb.net and read/write data using datasets/tableadapters/binding_source etc.
Now I am trying to create an SQL connection via code to connect to my database to do some more complicated queries. I was successful in being able to connect to my database with SQL, but by doing so it produces an error when it tries to run any .Fill() methods from my TableAdapters below. The error produced is the following: "SqlException was unhandled. Cannot open user default database. Login failed. Login failed for user 'Chris-PCChris'".
If I remove my SQL connection code, the TableAdapter.Fill() methods will work fine.
[Code]...
View 2 Replies
ADVERTISEMENT
Mar 12, 2011
I am unable to fill data in the OleDbDataAdapter I get an OleDbException with the following message Syntax error in FROM clause.at this line adapter.Fill(dataset, "User")
Here is the code
Imports System.Data.OleDb
Public Class Form1
Public connection As New OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=D:MyDatabase.mdb;Persist Security Info=False")
[code]....
and also I have tried
Dim adapter As New OleDbDataAdapter
adapter.SelectCommand = New OleDbCommand("select * from user;", connection)
Dim dataset As New DataSet
adapter.Fill(dataset)
But I get the same exception Syntax error in FROM clause
View 3 Replies
Feb 13, 2009
how a database software is developed? i tried using sql server, the weak thing is that.....the database software is unable to run in a pc that is not installed sql server program. using others software instead of sql? or is there any other way that possible to let my database program to access database data without required sql installed.
View 1 Replies
Feb 27, 2010
When I click "Connect to Database" I get this error..
View 1 Replies
Dec 25, 2009
how i can connect to an access database and fill a combox with data of a column?
View 1 Replies
May 17, 2012
I have written a new app in VB.net as a front end to a mySQL database held on a PC on the LAN running Windows XP. This worked fine for a while. The PC running the mySQL server started locking up (XP errors, not mySQL errors according to the event logs), so I decided to have a go installing Ubuntu to run the mySQL server to see if that was more stable.Ubuntu 11.10 is now installed, and mysql server is also running. I have imported the old sql database files and the mySQL workbench shows all tables are imported successfully.
HOWEVER, I cannot get my VB application to connect to the database now it resides on Ubuntu - just returns "Unable to connect to any of the specified MySQL hosts" when i try to open a connection. I am fairly new to Ubuntu and MySQL, and don't know if the fault lies with the O/S (a firewall config problem perhaps?) or if I need to do something different with mySQL.I can ping the Ubuntu pc from the client pc and vice versa.I have used ufw to open port 3306 on the server The ufw logs do not show any errors when I try to connect from the client pc, so I don't think it's a firewall problem (but could be wrong). I thought it may be something to do with the usernames I use in the connection string, but when I change these (deliberately use the wrong password for example) I get the same message, rather than a username/password error Is anyone else using a client PC running Windows (W7 or XP) to connect to a mySQL database running on a Ubuntu server?
View 8 Replies
Mar 16, 2009
,i write a simple program in vb.net 2005everything is ok when i run the program in solution, but problem appears when i run the program from bin eleasemyprogram.exethe error message is :'..bin eleasedbx.mdb' is not a valid path. make sure that the path is spelled correctly and that you are connected to the server on which the file residesi dont have a clue about what mistakes i did..
View 2 Replies
Feb 14, 2010
I added a new database using SQL Server Management studio express 2008. I can connect to that database using Web Developer and Visual Studio just fine. But when I try to connect from VB Express 2008 I get an error message "file in use by another program". VB only prompts me for the name of the database, but Web Developer and Visual Studio prompts me for both server instance and database name. I'm sure this is just something simple I'm missing.
View 2 Replies
Nov 15, 2010
I am using an Access database (mdb file) and for the first time ever I'm connecting to it using a bunch of TableAdapters created in a DataSet.xsd file.I added an Insert query to a TableAdapter, and now I need to retrieve the ID (autonumber) of the last inserted record. Usually, I would send a "SELECT SCOPE_IDENTITY()" query and it would return the ID, but for some reason I cannot get this to work with the TableAdapter.
I tried two methods:1. Add the SELECT SCOPE_IDENTITY() query directly after the INSERT query in the TableAdapter. This method is described in every website I found by googling my problem. Suppose my INSERT query is this:
INSERT INTO Test VALUES("1", "2", "3")
then I should now modify it into
INSERT INTO Test VALUES("1", "2", "3");
SELECT SCOPE_IDENTITY()
I also changed the ExecuteMode to Scalar.
Ok, I run this code, but it doesn't work. It gives me an error saying Characters found after end of SQL statement.Is it because I am using Access and not SQL Server maybe? I dunno... But whatever I try it doesn't work. It's not a spelling error, and I did type the semicolon to separate the two queries so as far as I know it should work.2. Add a separate Select query (selected 'Select query that returns a single value' in the designer) that simply executes this:
SELECT SCOPE_IDENTITY()Then after using the Insert query I can simply call this query method and get the last Id. But unfortunately this doesn't work either. It doesn't even let me add this query in the designer, it says Unable to parse query text.
View 13 Replies
May 29, 2012
I am trying to connect to my remote MySql Database within Visual Studio using the compact framework.
I can successfully add a data source and preview the data within the IDE so assume that the connection is ok regarding Connection strings and remote access.
However, when I attempt to access the data using any run time control I get the following error when the table is loaded using the .fill method.
MySql.Data.MySqlClient.MySqlException was unhandled
ErrorCode=-2147467259
Message="Unable to connect to any of the specified MySQL hosts."
[Code]....
View 9 Replies
May 9, 2012
I am using VB 2010 Utimate on a Win7 64bit machine. I have an accdb database created through MS Access 2010 (database has a password). How do I go about connecting to it using codes without having to drag a database control on the form, also is it possible to code my form so that it will automatically detect the path of the accdb database? Also I want to view the whole table using datagrid view as well as perform database actions such as add, edit, del, save, search and etc.
View 7 Replies
Sep 24, 2011
First off, my apologies for being a complete Newb! I have a SQL Express database that I use quite successfully to track my investments in several accounts. I built it myself, it's quite functional, and Im happy with it. The problem is that there are multiple account tables and updating them can be tedious in SQL Server, if multiple purchases and sales in multiple accounts have occurred in a month. Tedium can lead to errors¦
[Code]...
View 12 Replies
Sep 24, 2009
I am creating a form which has the customer information entered by the user.When the user clicks submit the row need to be inserted into table "customer".writing the code to connect to the access database and insert the new row?
View 3 Replies
Apr 24, 2012
I'm using crystal reports 9, visual studio 2008, and oracle 9i in this project I'm doing. My crystal reports pull data from an oracle database, and are displayed on a CrystalReportViewer on a windows form. How would I make this connection using vb.net code?[code]...
View 1 Replies
Feb 18, 2011
I am trying to make a copy of an existing database, I use .net framework data provider for SQL Server.I get error "Unable to connect to source server for Transfer" when it runs to oPackage.Execute().
oConnection = oPackage.Connections.New("what the providerID should be?")
oStep = oPackage.Steps.New
oTask = oPackage.Tasks.New("DTSTransferObjectsTask")[code]......
View 1 Replies
Feb 7, 2011
how to fill these forms...project included...
View 2 Replies
Jun 16, 2009
I want to make a textbox and a button, in the textbox you need to type a ip and with the button you need to connect,and a rdp remote session will be started with the ip that you typ in.I know how to make this with a button to click on and you will connect Dim RetVal RetVal = Shell("mstsc.exe /span /v 192.xxx.xx.xx")but now i want to make a textbox so people can fill in there own ip to connect.
View 3 Replies
Jan 6, 2011
I am able to connect to the sql server 2008 express by using this as connection string
View 10 Replies
Mar 11, 2010
i installed visual studio ( full installation)then i got xampp from their site i have mysql and apache running i downloaded the connector from mysql site and i created a simple project to check if i can connect to mysql or not i have made this code so far
Imports System.Data.SqlClient
Public Class Form1
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim Connection As String = "Data source=localhost;user=root;password=;Initial Catalog=test;Integrated Security=true;"
[code]....
im having trouble with an exception though it says {"A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server)"}
how can i get rid of this, is it because i installed mysql 2005 with visual studio 2008? and maybe it runs with xampp's mysql and creates these problems?
View 2 Replies
Aug 2, 2009
i added the bindingsource control on my winform. here are the details of my connection:[URL] when i test the connection, it says "the connection cannot be tested because the specified DB file does not exist" the DB is located in [URL]. how should i set up bindingsource?
View 2 Replies
Aug 25, 2009
I am trying to connect windows form to oracle database on a remote server through VS 2005 and get the following error:Unable to connect: ORA-12154: TNS
[Code]...
View 1 Replies
Jul 13, 2010
I've created an application that inserts data into an MySQL database, I have used xampp on the local machine to make sure that the database worked with the application and that everything worked correctly
now when editing the connection string so that I can connect to a remote machine on my LAN I keep getting an error saying "Unable to connect to any of the specified MySql Hosts"
I've checked all the credentials in the connection strings I.E username, password, database name and the machine address.[code]...
View 1 Replies
Apr 9, 2010
I have created a server-client application in Vb.net with back end Mysql .In client while am trying to run its showing the following message
"Unable to connect to the specified MYSql hosts"
View 4 Replies
Feb 8, 2010
I need to read a command from a .html file. To do this I use:[code]My application constantly loops to check the .html file for commands. I need it to do this, even if the internet is off. Obviously, it wont read commands if its off.. I just need it to resume reading when it comes back on WITHOUT crashing my application.Any code to ignore timeouts so where my application will still TRY to read and not crash.
View 3 Replies
May 15, 2011
Unable to connect to any of the specified MySQL hosts. My code is as follows:
[Code]....
I have checked and double checked username, password, database name, and server. I am new to using MySQL etc., but I pulled the information directly from my phpMyAdmin.
View 4 Replies
Jan 14, 2011
System.Net.Mail.SmtpException: Failure sending mail. ---> System.Net.WebException: Unable to connect to the remote server ---> System.Net.Sockets.SocketException: A socket operation was attempted to an unreachable network 184.xx.xxx.xx:25 at
[code].....
View 2 Replies
Oct 7, 2011
I've gone through different sites and got ideas about how to connect MySQL but it didn't work.
Imports MySql.Data.MySqlClient
Public Class Form1
Dim con As MySqlConnection
[code]....
View 6 Replies
May 30, 2011
I am trying to make a new data connection to an Access DB using the Server Explorer. The connection test OK then when I click on the OK button to finish I get the following error message.
Unable to add data connection. Index was outside the bounds of the array.
I am using VS2010 and the 4.0 .Net Framework. I have found several posts on this but done have worked out.
View 1 Replies
Jan 19, 2011
I have created my asp.net website using database ASPNETDB.MDF but when I try to host my site on server ...
The SQL Server 2005 hosting provider issue me the
database name dobriyalji
server ip : 69.112.222.220
database username : XXXX
[Code].....
View 2 Replies
Jan 7, 2010
I have a problem with my webserver connecting to SQL server.I have setup the connectionString and everything is okay. Except that I kep on getting the following error message:
Logon failed.Details: 01000:[Microsoft][ODBC SQL Server Driver][DBNETLIB]ConnectionRead (recv()).Query Engine Error: '08S01:[Microsoft][ODBC SQL Server Driver][DBNETLIB]General network error. Check your network documentation.'Logon failed.Error in File C:WINDOWSTEMPCouncilDistrict {4F892A8B-2AC6-4302-8A58-1466157C3ED7}.rpt:Unable to connect: incorrect log on parameters.
View 2 Replies
