Download ADO.NET Cookbook by Bill Hamilton PDF

By Bill Hamilton

Deals 153 recommendations, whole with code and reasons, to difficulties as a rule encountered while utilizing ADO.NET to help information entry in loosely coupled n-tier software architectures. The options reveal find out how to hook up with information resources from ADO.NET, retrieve info utilizing SQL statements, look for documents in perspectives and tables, replica information among ADO.NET sessions, bind information to varieties, and increase software functionality. The code examples are written in C#.

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Encrypt the connection and other 42 43 sensitive information within the configuration file and ensure that NTFS file permissions are set to restrict access to the file. 7 shows techniques to encrypt data. config this is the default. config. config within your solution, you will have to copy it to the startup directory each time you modify it and each time you build the solution; the build process deletes it from the startup directory. NET data providers supports UDL filenames in its connection string.

Fill(ds); // Bind the default view for the Customer table to the grid. DefaultView; // Identify provider-specific connection type and process appropriately. EventArgs e) { // Create a SQL Connection and DataAdapter. NET Provider"; // Call provider-independent function to retrieve data. EventArgs e) { // Create a OLE DB Connection and DataAdapter. NET Provider"; // Call provider-independent function to retrieve data. NET data providers. You can pass these provider-independent base classes as interface arguments instead of the provider-specific inherited classes.

Storing predetermined connection credentials on the server and using them at runtime to connect to the database server. Integrated Security Integrated security is the most secure way to connect to a SQL Server and should be used unless it is impractical to do so. Integrated security uses the identity of the current active user rather than an explicit user ID and password in the connection string to authorize access to the database. Integrated security avoids storing usernames and passwords in connection strings and its use is recommended where possible instead of SQL Server Authentication.

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