How can write connection string in web config file in C#?
C# code
Table of Contents
- using System;
- using System.Data.SqlClient;
- using System.Configuration;
- public partial class _Default: System.Web.UI.Page {
- protected void Page_Load(object sender, EventArgs e) {
- //Get connection string from web.config file.
- string strcon = ConfigurationManager.ConnectionStrings[“dbconnection”].ConnectionString;
How can change connection string in web config programmatically?
Step 1: Add this connection string in your web. config file in your ASP.NET web application or use an existing application. Step 2: Add a TextBox and a Button control to Default.
…

- Configuration connectionConfiguration = WebConfigurationManager.
- connectionConfiguration.
- connectionConfiguration.
- ConfigurationManager.
How do I change my connection string?
In the Properties window, expand the Connection node. To quickly modify the connection string, edit the ConnectionString property, or click the down arrow on the Connection property and choose New Connection.
Where do I put connection string in web config?
Add the following connection string to the <connectionStrings> element in the Web. config file.

Can we change web config runtime?
We can definitely modify the web. config at runtime but it would restart the Application again.
Where do I put appSettings in web config?
Locate the web. config file in the root directory of your application (or create one if it does not already exist). Add an <appSettings> element. Add <add> child elements along with key / value pairs to the <appSettings> element as required.
What is connection string providerName?
The providerName attribute is used to set the name of the .NET Framework data provider that the DataSource control uses to connect to an underlying data source. If no provider is set, the default is the ADO.NET provider for Microsoft SQL Server.
How do I find the connection string in Visual Studio?
In Solution Explorer, double-click the My Project icon (Visual Basic) or Properties icon (C#) to open the Project Designer. Select the Settings tab. Enter a Name for the connection string. Refer to this name when accessing the connection string in code.
How do I change the connection string in sitefinity?
config file – Sitefinity CMS Deploy and upgrade.
Move the database connection string in the web. config file
- Open the DataConfig.
- Save and close the DataConfig.
- Open your web.
- Delete the dbType attribute, because it is not supported in the web.
- Add a parameter Backend inside the connection string.
- Save and close the web.
How do I edit a web config file?
Editing the Configuration File (web. config)
- Open the Internet Information Services manager.
- Expand the Web Sites node, then expand the Default Web Site node.
- Right-click EFTAdHoc, then click Properties.
- In the Properties dialog box, click the ASP.NET tab.
- Click Edit Configuration.
- Click the General tab.
Can we dynamically change the key value in web config?
The sample source code allows you to change the key and value pair. There is no need to open web. config file. The application also allows you to update and delete the key/value pair.
How do I add AppSettings in app config?
You can do this by following the below steps in Visual Studio,
- Right click your project in Solution explorer.
- Select “Add New item..”.
- In the “Add New Item..” dialog, select “Application Configuration File” and Click Add.
- You can now add AppSettings and put your config values here.
- Include System.
What is AppSettings section in Web config file?
The <appSettings> element stores custom application configuration information, such as database connection strings, file paths, XML Web service URLs, or any other custom configuration information for an application.
What is a connection string in C#?
Connection String is a normal String representation which contains Database connection information to establish the connection between Database and the Application.
What is connection string C#?
How do I get connection string?
Right-click on your connection and select “Properties”. You will get the Properties window for your connection. Find the “Connection String” property and select the “connection string”. So now your connection string is in your hands; you can use it anywhere you want.
What is the provider name in connection string?
The providerName attribute is used to set the name of the . NET Framework data provider that the DataSource control uses to connect to an underlying data source. If no provider is set, the default is the ADO.NET provider for Microsoft SQL Server.
Which file contains the connection string to the database?
By default, Sitefinity CMS stores the connection string to the database in the DataConfig. config file, located in folder ~/App_Data/Sitefinity/Configuration/.
How do I access Web config?
Access web. config and other . config files
- Go to Persona Bar > Settings > Config Manager.
- Go to the Config Files tab.
- Choose the configuration file from the dropdown list.
How do I get to the web config file?
This file is typically found in the C:\WINDOWS\Microsoft.NET\Framework\v2. 0.50727\CONFIG directory. The Machine. config file contains settings for all sites running on the machine provided another .
Does changing web config restart application?
When you edit the web. config, It will restart the AppDomain (NOT AppPool) of that web application and clears the all occupied resources and memory.
Where do I put runtime in web config?
config file by adding ASP.NET HTTP runtime settings to it.
- Locate the web. config file in the root directory of your application (or create one if it does not already exist).
- Add an <httpRuntime> element and set the executionTimeout and other attributes required for your application: <?
Where do I put Appsettings in web config?
What is Appsettings in C#?
AppSettings stores strings or other values. It is found in a section of Web. config in an ASP.NET website project. We use this feature in the Web.
How do I use appSettings in web config?
The key/value pairs specified in the <appSettings> element are accessed in code using the ConfigurationSettings class. You can use the file attribute in the <appSettings> element of the Web. config and application configuration files.