What is the proper method for encrypting ASP.NET connetionStrings?

Question

I\'ve been looking through several examples of encrypting connectionStrings (Web.config) in an ASP.NET MVC application (.NET 4.0) and it seems that there are two general ways to

Answer 1

Get ConnectionString from Web.config File

Before starting how to read or get connectionstring from web.config file, you should know how to get connection string to connect your database from here that will show you also the difference why I’ve not used user id and password in my connection string. After knowing that, you can adjust your connection string in web.config as follows.

To read or get connectionstring from web.config file in asp.net, we need to add System.Configuration namespace that will help us to read our connection string.

Note: If you have defined your connection string under appSettings section, you can get your connectionstring from appSettings section this way. Read Connectionstring in C#

protected void Page_Load(object sender, EventArgs e)
{
       string con = System.Configuration.ConfigurationManager.ConnectionStrings["myDbConnection"].ConnectionString;
}

Read Connectionstring in Vb.net

Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
       Dim con As String = System.Configuration.ConfigurationManager.ConnectionStrings("myDbConnection").ConnectionString
End Sub

Example: Simple Insert, Update and Delete in Asp.net You may also like insert, update and delete on asp.net gridview here. That’s it, now you’ll be able get connectionstring from web.config file and can use wherever you want.

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