ASP.NET 4 Unleashed

Passing Objects as Parameters

Passing long lists of parameters to methods can make it difficult to maintain an application. If the list of parameters changes, you need to update every method that accepts the list of parameters. Rather than pass a list of parameters to a method, you can pass a particular object. For example, you can pass a CompanyEmployee object to a method used to update an employee, rather than a list of parameters that represent employee properties.

If you specify a value for an ObjectDataSource control’s DataObjectTypeName property, you can pass an object rather than a list of parameters to the methods that an ObjectDataSource represents. In that case, the ObjectDataSource parameters represent properties of the object.