Mixed Content

Using the "Mixed Content" template gives you a possibility to use the WebPart-technology without the need to implement a complete Portal Framework.

You are not required to modify a control in any way to use it as a Web Part. Standard ASP.NET controls (such as the Calendar and GridView controls), Web User Controls, and even custom controls can all be used as Web Parts. When you treat a standard control as a Web part, the control is represented in the Web Part framework with the GenericWebPart class