NET Framework version 2.0 includes a protected configurations system that makes programmatically encrypting and decrypting selected configuration sections a breeze. In this tutorial we will look at techniques for protecting such sensitive configuration information. This information is typically found in the following Web.config sections:
What harm can an attacker perpetrate if they know the name of the default Theme used by your ASP.NET pages?Ĭertain Web.config sections, however, contain sensitive information that may include connection strings, user names, passwords, server names, encryption keys, and so forth. This means that visitors cannot view your Web.config file s contents by simply entering into their browser s Address bar.įigure 1: Visiting Web.config Through a Browser Returns a This type of page is not served Message ( Click to view full-size image)īut what if an attacker is able to find some other exploit that allows her to view your Web.config file s contents? What could an attacker do with this information, and what steps can be taken to further protect the sensitive information within Web.config? Fortunately, most sections in Web.config do not contain sensitive information. config extension is handled by the ASP.NET engine, which returns the This type of page is not served message shown in Figure 1. By default, any HTTP request to a file with the. Since Web.config may contain sensitive data such as connection strings, it is important that the contents of Web.config be kept safe and hidden from unauthorized viewers. Later, in the Master Pages and Site Navigation tutorial, we manually updated Web.config, adding a element indicating that all of the ASP.NET pages in our project should use the DataWebControls Theme. When creating the Northwind Typed DataSet in the first tutorial, for example, connection string information was automatically added to Web.config in the section. Over the course of these tutorials we have updated the Web.config a handful of times. IntroductionĬonfiguration information for ASP.NET applications is commonly stored in an XML file named Web.config. In this tutorial we learn that ASP.NET 2.0 allows us to protect sensitive information by encrypting sections of the Web.config file. By default this file will not be served to a Web site visitor, but an administrator or a hacker may gain access to the Web server's file system and view the contents of the file. Some of this information is sensitive and warrants protection.
Such as, '.12.0' provider is not registered on the local machine or how to fix Microsoft Access Unrecognized Database Format Error.An ASP.NET application typically stores configuration information in a Web.config file. In addition, I have shown you how to fix errors connecting to an access database.
Through this article, I have shown you how to connect the acccess database from visual studio and windows forms application using c # programming language. Now open the app.config file and you'll see the connection string is automatically added to the configuration file
TODO: This line of code loads data into the 'appData.Contact' table. private void Form1_Load(object sender, EventArgs e) As you can see, Visual Studio automatically creates bindingSource, which helps connect data between the application and the access database. Next, Open your form designer, then drag the DataGridView control from the visual studio toolbox to your winform.įinally, you need to add a DataSource to your DataGridView. You need to create a DataSet, then drag the tables that you want to connect from the access database into your DataSet.
If you can't install 32 bit you can remove the Microsoft Office, then install Microsoft Access Engine 32 bit and reinstall the Microsoft Office 32 bit or 64 bit that you want.Īfter connecting to the access database successfully, you will see your database on the left, under server explorer. Note, To fix Unrecognized database format '*.accdb' for Microsoft Access Database file or .4.0' provider is not registered on the local machine you should install the Microsoft Access Engine, try to 32 bit. Next, you need to select the Microsoft Access Database file you want to connect.įinally, you need to check the connection, if the connection fails, you need to install the microsoft access engine, then close and reopen your visual studio to reconnect the access database. To connect to the access database in Visual Studio, you need to select Server Explorer, then select the connection icon to connect to the database.Ĭlicking the Change button, then select change your data source to Microsoft Access Database file. To play the demo, you need to create a sample Microsoft Access Database, then create a new Windows Forms Application project.