CUSTOM CONTROL

· Exist in precompiled assemblies.
· Code entirely contained in .cs (or .vb)
· No visual designer. Any HTML code needs to be declared programmatically.
· Can be used in .aspx pages, user controls or other custom server controls.
· Can be added to the ToolBox (drag and drop)
· Can be shared between web applications.

• Reusability of control (or extend functionalities of existing control)
• We can add toolbox
• Just drag and drop from toolbox
• U can register user control to. Aspx page by Register tag
• A single copy of the control is required in each application
• Good for dynamics layout
• Hard to create
• Compiled in to dll
• You can create a Custom control when it is going to be used across different applications.
• Custom controls don't a visual interface.
• Custom controls however can be added to your tool box and used in different applications without re-compiling.
• It's a .dll