If you have not done any other configuration in your application, then calling the parameterless constructor on DbContext will cause DbContext to run in Code First mode with a database connection created by convention. how to write connection string in web.config file and read from it A bit confusion in writing conncetion string in Web.
If both are installed, SQL Express will be used. Due to security concern, I decide to secure SQL server connection by implementing TLS 1.2. It creates a connection string for the database using either SQL Express or LocalDB.
• This derived class will call one of the constructors on the base DbContext class to connect to a database, and that is, how a connection string is found/used. Typically an Entity Framework application uses a class derived from DbContext. However, now Im trying to redevelop my app using asp.net and I want to list the connection strings in web.config. For each i in session.Contents It works really well. 
Connection strings used by the Entity Framework contain information used to connect to the underlying ADO.NET data provider that supports the Entity Framework. Session('SQL1') connection string 1 Session('SQL2') connection string 2 etc Then in the ASP page using vbscript, I can enumerate all the connection strings using. The syntax depends on the data provider, and the connection string is parsed during the attempt to open a connection. For instance lets say we are developing a dotnet application and want to connect to a back end (azure sql db) we will simply use the connection string like in the web.config below (which may be different for some other. In the Additional connection parameters field, it is not recommended to define the SqlServerName and DatabaseName settings because they are already defined in the Name of SQL server and Database name fields.Ĭhanges made to the configuration file become effective within one minute.A connection string contains initialization information that is passed as a parameter from a data provider to a data source. Using typical Connection String way Usually we use the connection string to connect an Azure sql database from any front-end. Add the your connection string to the element in the Web.config file. Use the text editor to make the necessary changes to the SQL server connection settings.įor a description of the SQL server connection string settings, you can refer to the Microsoft website via the following link: connection string settings. When the application is installed, the value of this setting is automatically defined by the application based on the information provided by the administrator. Find the tag named AdditionalConnectionParameters. Open the SQL server configuration file in a text editor. 
To change the additional settings of the SQL server connection string: When the application is installed, data in the SQL server connection string is saved in the following configuration file in XML format: You can change the additional settings of the SQL server connection string. Modifying the additional settings of the SQL server connection string When you set up your string in a Microsoft project, you typically place the connection string in the web.config or app.config file.
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