Create A Data Connection To A Database In SQL Server?
Sep 28, 2011
I have Visual Basic 2010 Express and SQL Server 2008 R2 (not Express) installed on my Windows 7 machine. In Visual Studio, I am attempting to create a Data Connection to a database in SQL server. Server Mgmt Studio is not running. When I attempt to add a connection in Database Explorer, to the AdventureWorks _Data database, I get the message "This file is in use. Enter an new name or close the file that's open in another program." There are no programs running except VB, except maybe for the SQL Server engine running the background.Please note that I can open and access tables within a database in code
within Visual Studio, I just can't add a connection in Database Explorer.Am I doing something wrong? I've been very frustrated on this issue for a long time
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May 21, 2009
I am trying to build a user control that will do exactly what the SQL 2005 Connect to Server interface do, eventually create a connection string and store in a app.config file. It should allow user to select server type, server name, authentication, user name and password. It should also automatically load available servers and domain login by default.
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Aug 19, 2010
After running the following sub (VS debugger), I try to detach the database in SSMS, but it shows the connection open still and won't let me detach. If I close program in debugger, the database shows no connections. I check the dataadapter's connection in the finally block and is shows closed. What gives
Private Function ClientMasterDBFiles(ByVal MasterClientDBConnection As String, ByVal DBName As String) As DataTable
[Code]...
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Feb 29, 2012
I am tring to make the below application work with SQL Server 2005 Database Currently it works for test.mdb, which is in the same folder with the application. How shoud I modify the MapPath to work with SQL Server.
[Code]...
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Sep 14, 2010
I am using VS2010 and have been watching and learning from Beth Massi's great videos. I have built some test apps using her example of (under Server Explorer) - right clicking on "Data Connections" and selecting "Create New SQL Server Database, and in the server name just like she does, I type ".SQLEXPRESS", fill in the "New Database Name" and fill in my fields, build my tables, build a simple little windows form app. add new data source, etc. and everything works great. Then I try the "Add Connection" option again under Server Explorer and use the default (for me) of "Microsoft SQL Server Database file(Sql Client)", fill in a database file name (it creates a new one for me), "Test Connection" works, build my tables etc, and then build a simple little windows form app. add new data source and everything is great once again. Except I am not sure what is actually happening between these two options. Under the "Create New SQL Server Database option I see (in Server Explorer) a "myapp.dbo". Where is the actual database file? Under the "Add Connection" I see a "myapp.mdf" file in the Server Explorer. Also what happens when I "Publish" (deploy) my app? When I look under application files under Publish, I see the .mdf file listed as "Required" under the "Add Connection" option, but with the "Create New SQL Server Database" I don't see any database files listed? What is the difference between these two ways of creating a database for a VB Windows Forms Application?
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Apr 17, 2009
I have produced an application which works with datasets but I now wish to provide the user the ability to add and admend records within the database.But i wish to do this in a seperate form.My current dataset instanciates classes onLoad.Should i try passing the Dataset to the new form class? although I have the problem where by when i pass the dataset to the form class using code below i get this problem:[code]Should i just create a create a new connection to the database and produce a new dataset for this form? or is there a better way to do this?
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Aug 17, 2011
I am trying to connection to MS SQL SERVER 2008 database (students), i want to make sure:
1) If connection string that i made is OK
Dim connectionString As New SqlConnection("server=X86ONX64; database=students; Integrated Security=True")
2) How can i check if dataset is producing any results?
Code:
Public Class Form1
'Connection String + DataAdaptor + DataSet
'Declared Outside Any Subroutines/Functions
[Code].....
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Jul 17, 2011
I want to create a global connection class from Sql server database to vb.net to make it easy in later editing the connection. Could anyone guide me the way to code both creating and calling to individual form?
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May 26, 2011
I've just started ASP.NET for real, and I was wondering if it is possible to use connection strings from Data Sources instead of hard-coding them. I've added my connection in Data Sources and it works, and I can also drag a table to a page in design mode, but I can't figure out how to access it in code. Here's what I get when I drag it in:
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False"
DataSourceID="SqlDataSource1"
EmptyDataText="There are no data records to display.">[code].....
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Aug 13, 2010
I am trying to do something fairly simple.. allow my user to import thier data from Excel into SQL Server, where it can be used by the application.To do this, I'm using the fairly simple code that is common everywhere I look:
strFilePath = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + fdlgFileOpen.FileName + ";Extended Properties=Excel 8.0"
connExcel = New OleDbConnection(strFilePath)
connExcel.Open()
[Code]...
Now, on my development computer this code works perfectly. The data imports, and I can go on my merry way.
On the TEST computer, this code throws the error: "ODBC -- Connection to {SQL Server} servernamesqlservername failed." This seems very odd to me, because I'm using exactly the same SQL Server and database to interact with the application, and all the other screens in the application work perfectly. The test computer CAN connect to this SQL Server, but it keeps throwing this error whenever I try import data from Excel.I've tried everything I can think of - using the server's IP address instead of the server name, sending the SQL Server administrator data along with the request, taking out the Trusted_Connection=Yes... nothing works. What is going on here? How can this code work fine on my computer, and hiccup on another?
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Dec 6, 2009
how to connect wampserver or phpmyadmin localhost to vb.net. I mean adding, searching, deleting, updating, listing of data from the localhost database via vb.net?
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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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Apr 24, 2009
I'm trying to add a new data connection to a SQL Server database that lives out on my network. When I add the new connection I get the "Choose Data Source" dialog but it only contains the following:
Microsoft Access Database File
Microsoft SQL Server Database File
I don't see an option for a remote SQL database. How can I add that option to my list?
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Jun 21, 2010
I am trying to connect a VB.NET 2003 Oledbdataadapter through the wizard to a SQL Server 2005 Database, but i get an error message during the wizard.These are my steps:New Connection, Select provider (Microsoft OLE DB Provider for SQL Server), Select Connection:server name, log on: use windows NT integrated security, select database. I do all these steps then click "test connection" and it is fine, but when I click "ok" and error message pops up."Unable to connect to database. It is only possible to connect to SQL Server Desktop Engine databases and Microsoft Access Databases with this version of visual studio."
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Sep 18, 2009
I am doing a project on window application but the problem is that I want to connect the connection of database to the SQL Server database. Does anyone knows the connection strings of the connection.
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Jan 11, 2012
How to change read_only to read_write in vb.net SQL Server database connection? Error message:
Failed to update databse because the database is read_only
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Aug 5, 2009
I wrote a small application in witch I create a connection to a database. I'm new to this, so I followed the steps in MSDN help. I first created a link to the database with the "Datasource" of the Visual Studio environement. Then, in the code, I create instances of the dataset in the datasource and use a tableAdapter to register my changes in the database.
Now I want to allow the user of the application to specify the path of the DB file he wants to use. How can I do so? Do I still can use the datasource in the VS environment? I don't know where to start.
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Apr 16, 2011
im sure that there are plenty of people here that have the same problem as me, but i cant seem to find a forum that explains this to me. well basically i have a program i am creating to use as a phone list, but to save data to a database on a mapped hard drive. I want to give the user the option to set the path of the database just by typing it into a textbox. The database will be supplied with the program, with all appropriate tables, i just really would like to know how to set up a connection to a database using code, and to be able to display it into a datagrid veiw. I know this seems simple to you guys,and i am really sorry, i am just new at this.
and also if u could, could u describe to me how to make it search through the database for like certain names/numbers?
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Jul 1, 2009
I have this code of sending sms but i dunno know how to make the connection for the below code to run my program.
[Code]...
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Oct 12, 2010
i make a connection with SQL server 2005 database using Wizard in Express Edition 2008,I have got data in my text field using dataset , but now I want to execute query for insert, select and update but I don't know my connection vaiable and how to execute query and get data .what kind of connection is this Adodb or oledb etc
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Nov 14, 2009
Okay i have been looking around for some tutorials on databinding by code but all the ones i find use vb's built in function to create the connection to the database and then the binding but i need to do it manually. I am totally new to databinding as in i only learned about it from a previouse thread and have been fiddling since.
[Code]...
So im kind of going blind here, i dont know whats going wrong or if im even using the correct dim statment for the binding,
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Dec 31, 2010
I installed SQLExpress 2008 on my computer this afternoon and have been trying to create a new database and open a connection to it. I found this code online and tried it:
Dim
conStr As
String =
"Server=MSSMLBIZ;Database=;Trusted_Connection = yes"
[code]....
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Oct 24, 2011
How can I configure my connection that directly my data save into server. I am using databinding approach, like this me.tblnameTableAdapter.Fill (me. DbnameDataSet.tblname). It is possible to stored data into server just like ADO.Net?
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Mar 13, 2011
friends i m a newer for dotnet...and i m a student i m creating a project with a simple database connection
i need to make a setup of that project but whenever i create a set up it wont connect with my database
it'll shows a error how to make a setup in vb.net with a project with a database connection
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Oct 6, 2009
how i can create a connection to a database when i open my program and then close that connection when the program closes, so that the user has a permanent connection while the program is running that can be used for multiple things depending on what the user decides to do.
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Jun 1, 2012
[i][b]I have always developed apps for desktops with an access database on one server for one company or sql server. I had one connection string. Now I am in a situation with multiple clients using my software on their own server. This means different connection strings can anyone suggest an efficient way to do this without changing connection strings for each server throughout the application?[/b][/i]
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Jun 27, 2011
I basically want to make this in my application, so our technicians have an easier time installing our software. So far, I made a form with 4 text boxes: Server name, user name, password, and a combo-box to select a database.Everything was pretty easy until the database selection code. Microsoft's wizard is very efficient, there's no wait time when the database combo box is being filled.[code]That code gets the databases just fine, but obviously if an exception happens the whole screen locks up and it might take a while to recover depending on what the database error is. My question is, can I make mine just as cool/efficient as Microsoft's?
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Feb 28, 2010
i have a app in visual basic mobile 2008, so i finish but now i need to tranfer the data generate in the in the app mobile to data base in sql server 2008.
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Jun 1, 2011
I have been trying for days now how to create a process to the user to easily create a connection to any installed data types they have installed. I have found an example right inside vb2008. I never use this because I code my own connections, but this would be real nice if I could include it or duplicate it.
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Jul 8, 2009
I am working on a project. Part of my project requires me to capture data, for example, email address, from certain rows/columns of a datagridview(form2.vb) and displays them in a textbox on another windows form(form1.vb) with a click of a button(Add Contact button). The problem is the datagridview on my form must be able to display databases by making a connection to Microsoft SQL Server 2005 but so far, i have not been able to do that. I have seen many codes with regards to my problem but i do not know how to implement it.
Below are my codes that i have written so far. My program's limitations are not being able to display databases from Microsoft SQL Server 2005 so i created the statement below to add columns and test my codes.
DataGridView1.Columns.Add("CustName", "CustName")
DataGridView1.Columns.Add("Email", "Email")
[Code]...
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