VS 2008 - Call Connection String From Webconfig File From Web Form?

Nov 18, 2010

How do I call the connection string in the webconfig file from a web form?

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Similar Messages:

Calling Connection String From Webconfig File?

Jun 9, 2010

I'm using Visual Studio 2008 and SQL Server 2008 Developer to create a website.

I'm trying to test a connectino to a local database in my computer.

What I did is create a connection string in the webconfig file like this:


Then I want to call that connection string like this in the default.aspx.cs file I write the following code:


I'm not getting any error or warning in any of the code but when I run the page I throws me an error telling me:

The connectionstring property has not been initialized.

If I run with debug on it shows this:


Line 22 in red.

I don't know what I'm doing wrong since VIsual Studio does not tell me there is an error, it just seems like it cannot make the connection.

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Encrypt Connection String In Webconfig?

Mar 5, 2010

How to encrypt connection string in web config.

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Rewrite Webconfig Connection String At Runtime?

Mar 3, 2010

How to rewrite Webconfig connection string at runtime.I have input textbox for Server,UserName and Password.Is it Possible to read from these textbox?

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Security :: Secure The Connection String In The Webconfig?

Dec 30, 2010

How to secure the connection string in the webconfig the best way

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C# - Setting Connection String Dynamically In Health Monitoring Section Of Webconfig?

Aug 8, 2010

Is it possible to set the connections string dynamically in the health montitoring section of the web config?

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Web Forms :: How To Access Connection Connection String From Sub Folder Web.config File

Mar 15, 2011

just for my testing purpose i know i can define both the connection's outside in a single web config file by different name's and access them in my front end according to it but what if i want to have seprate for both connection's web.config situation is like this see image so i want to access my connections from second web config file how i can do that.


i tired this but its giving error


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VS 2008 OleDb Connection String In Web.Config

Aug 14, 2010

How to put an OleDB Connection String in Web.Config I wrote the following code but getting error

<add key="ConnectionString"
value="Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & Server.MapPath("~/App_Data/AMS.MDB")" />

Getting error while concatenating a string Data Source=" & Server.MapPath

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Configuration :: Connection String For SQL 2008 R2 Aspnet Db?

Sep 1, 2010

give me an example of the proper connection string for getting VS 2010 to use the aspnet database on my SQL 2008 server? The db is there, I just can't seem to get connected. Server name GUNSITESQL, mixed security. I want to logon with a SQL user logon id, the db name is the default aspnet.

Currently, the web.config file is the default.

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SQL Server :: Connection String To Connect With 2008?

Sep 23, 2010

be it's a wrong place to ask the following question. Sorry for that. Our hosting provider has recently upgraded their database server from Sql Server 2005 to 2008 and I'm getting errors to connect with remote server from my development machine. Error Message "Invalid connection". Tried to find solution on net but couldn't find it.I'm using .Net 1.1. Though we've updated versions 2.0,3.5 & 4.0 but due to some certain circumstances I've no way to update it. It's a web based project. The following connection string works fine for Sql Server 2000 & 2005 but not for 2008.<add key="ConnectionString" value="Data Source=Remote Server's domain name;Initial Catalog=database name;User ID=user name;Password=surround;Persist Security Info=True;Pooling=false;Connect Timeout=45;" />Here Remote Server's domain name indicates to remote db server like: test.mysite4now.comdatabase name for example: test_surrounduser name like test_surroundpassword: surround.Can anyone inform me what's wrong with the above connection string to connect to Sql Server 2008.

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VS 2008 Can Use A Session Variable In A Web Config Connection String

Jun 16, 2010

Can you use a session variable in a web config connection string? So instead of:


<add name="ConnectionString2" connectionString="Data Source=ora;Persist Security Info=True;User ID=SA;Password=PASS;Unicode=True"

something like this:


<add name="ConnectionString2" connectionString="Data Source=" & Session(DB) & ";Persist Security Info=True;User ID=SPAR;Password=;Unicode=True"

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SQL Server Express 2008 Using (local) In Connection String

May 18, 2010

Is it possible to connect to a SQL Server Express 2008 database in ASP.NET with a server name of (local) like "server=(local);integrated security=SSPI;database=DBNAME"? I'm working with another developer on a project and it's getting annoying having to have 2 different version of web.config because he is using SQL Server 2008 and (local) works, but I can't seem to get it to work with SQL Server 2008 Express locally. The database is located on the same computer as the .NET code in case that matters.

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SQL Server :: Connection String For Sql 2008 Express R2 And Publishing?

Sep 17, 2010

I am currently working on a project and I am hosting it on my IIS to test it every so often but now i have an issue:

When i run in debug mode with this connection string:

Data Source=.;AttachDbFilename=c:New folderdbname.mdf;Database=dbname;Trusted_Connection=Yes;

everything works fine and i can access the database but once its published onto my iis it doesnt find the database?

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Configuration :: SQL Server 2008 - Can't Get Connection String Right After Many Attempts

Mar 8, 2011

I have a new server that I am attempting to deply my very first asp.net website on. I have installed SQL 2008 r2 and loaded my DB on it. I am able to access the server/DB through Visual Stuidio. At least I know i can call it from the webserver to my local PC.

For some reason I just cant get my we.config's connection strong right. It might even be the <provider> info that I have wrong. I am just too inexperienced to know for sure. My Web.Config is very short so I will post all of it here.

-- Code is posted at the end --

How do I modify my local project to use my webservers DB instead of the standard SQL Express DB? The only connection string

Machine.Config that points to the sqlexpress database. Again I lack the experience to know how to do this. I am using Visual Studio 2010 and SQL Server 2008 r2 on my local pc.


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VS 2010 - Change Connection String For Registration Form

Jun 20, 2011

I am trying to change the connection string for the registration form in VS 2010.

This is because it links to the local database in the App_Data which I need it to link to another database. I have changed the connection string in the webconig file and this works file for other forms I have created but does not allow me to create new users.

I have used the ASP.net 4.0 template when creating this website.

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VS 2008 - Configuration Files - Fetch The Connection String From The Data Project?

Nov 3, 2010

I ahve a solution with a few dll projects, a winforms testbed and a WCF webservice project. In the data project, I have a base class that does the following:

public class BaseDAO
private const string CONNECTION_NAME = "OracleConnectionString";
protected static string GetConnectionString()
ConnectionStringSettingsCollection settings =
string conStr = "";
if (settings != null)
foreach(ConnectionStringSettings setting in settings)
if (setting.Name == CONNECTION_NAME)
conStr = setting.ConnectionString;
return conStr;
throw new NotImplementedException("The connction string can't be found");

You might ask, why do I need to loop and check the name against a constant? Well, I have defined the connection string in the service project's web.config, but this above code always find two connection strings, one is a sqlexpress which I guess is a default database of some sort. So, to separate that one against the one I really use, I have to loop through all entries and pick out the one I plan to use. How do I prevent this? Is there a better way to fetch the connection string from the data project?

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Configuration :: Encrypting The Connection String In Web.config On Windows Server 2008

Mar 30, 2010

When I try to encrypt the "connectionStrings" section in the web.config file of my asp.net web application on Windows Server 2008, I'm getting the following error:

Administration utility (2.0.50727) to install and uninstall ASP.NET on the local machine. Copyright (c) Microsoft Corporation. All rights reserved. Note: This utility has limited capabilities on the Windows Vista operating system. It is recommended that you use the "Turn on or off Windows features" option of the "Programs" component of Control Panel to install or remove ASP.NET. It is also recommended that you use the IIS Manager component or the Appcmd.exe tool to configure ASP.NET applications.

The above information is followed by the list of valid options to aspnet_regiis.exe.

The command that I've used is:

aspnet_regiis.exe -pef "connectionStrings" "C:Usersuser1DocumentsMywebsite" -prov "DataProtectionConfigurationProvider"

But, the same command is working fine when used on a Windows Server 2003 machine. The problem is occurring only on Windows Server 2008 with IIS7.

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Web Forms :: How To Call SQL Database Connection In .vb File

Apr 30, 2010

I have a simple upload page that will upload a file to a server and when the "upload" button is clicked, the file is uploaded to the server and then a bulk insert command is made from the .vb file. I have the database connection in the web.config file but I don't know where to add the ado connection and command structure in the .vb file. I also don't know where to put the bulk insert. I'm assuming that it goes in the .vb file as well. Here is my .vb file as it stands currently


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Provider Connection String Of Entity Framework Be Substituted With A DB Connection String Already Defined In Web.config?

Feb 2, 2011

I have a db connection string 'ApplicationServices' defined in the connectionString section of web.config and 3 Entity Framework connection strings which have the provider connection string attribute with the same connection string as the one in 'ApplicationServices'. Is there a way to reference connectionString in 'ApplicationServices' for the provider connection string attribute of the EF connection string in the web.config, rather than providing the connection string all over again?

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C# - How To Call A Webpage An Automatically Fill Up A Form Passing A String

Feb 9, 2011

I use asp.net 4 c sharp.

I would like populate a input text form with a string sent by an User.

The destination page is: [URL]

NOTE: im not the developer for the target page.

Here ho should work:

When a visitor from my site click a link (Ip address)it will be sent to: [URL] and the TextBox automatically populates with the value (Ip address the user has clicked).

The user Will manually click the button "Look Up IP addresses" in [URL] to have the result.

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ADO.NET :: Connection To SQLEXPRESS 2008 / Specified File Cannot Be Opened

Dec 24, 2010

My DD site runs in an intranet environment. Therefore,Integrated Windows authentication is used. On Windows Sever 2003 and IIS 6 connection to SQLEXPRESS 2005 possible only with a

connectionString="Data Source=.SQLEXPRESS;AttachDbFilename=|DataDirectory|Membership.mdf;Integrated Sequrity=False;User ID=xxx;Password=zzz"

On Windows Server 2008 and IIS 7 connect to SQLEXPRESS 2008 with Integrated Windows authentication cannot be nothing. I get the message.

CREATE DATABASE permission denied in database 'master'.An attempt to attach an auto-named database for file c:inetpubwwwrootDD_OborudovanieApp_DataMembership.mdf failed. A database with the same name exists, or specified file cannot be opened, or it is located on UNC share

Why is it so?

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DataSource Controls :: Connecting To SQL Server In Visual Studio 2008 Using Code - Error: 25 - Connection String Is Not Valid

Feb 2, 2010

Background: I use SQL server 2005 developer edition and visual studio 2008. Visual studio 2008 is running on a local machine with Vista business edition. SQL server is running on a remote server using Windows server 2003. Both computers are within the same domain.

Problem: First, I used the server explorer to connect to the SQL server. Everything works as desired. Then I write code to do the same thing. I keep getting the following error message:

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: SQL Network Interfaces, error: 25 - Connection string is not valid)

However, I used the exactly identical connection string as the one used in the server explorer. So connection string should not be the problem. In addition, I tried the test code in MSDN, which tells whether my domainusername can flow the network. It turns out the user name is fine. I also went to the SQL server management studio and found the login for my computer is NVCWeihao while my computer login name is NVCweihao. I am wondering if this uppercase letter really affects the connection.

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C# - Get The Connection String Value From Hibernate.cfg.xml File?

Mar 12, 2010

I'm using Fluent NHibernate and need to get my Connection String from the connection.connection_string property on hibernate.cfg.xml file to create my Session Factory:

private static ISessionFactory SessionFactory {
get {
return = Fluently.Configure()
.Database(MySQLConfiguration.Standard.ConnectionString(c => c.FromConnectionStringWithKey("MyConnStr")))
.Mappings(m => m.FluentMappings.AddFromAssemblyOf<FooMap>())
.ExposeConfiguration(c => c.Properties.Add("hbm2ddl.keywords", "none"))

I want to replace MyConnStr (that is in my web.config file) "c => c.FromConnectionStringWithKey("MyConnStr")" for the connection string from the hibernate.cfg.xml file.

I've tried use NHibernate.Cfg.Environment.ConnectionString, but it didn't work.

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How To Write Connection String In Web.config File

Jul 30, 2010

how to write connection string in app.config file in vb.net windows application and how to call connection string in forms

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Finding About Connection String In Web.config File

Jan 15, 2010

why we use connection string in web.config file??? Or what is the benefit of using connection string in web.config file?

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