按钮单击上添加动态控件（控件集）

I have a requirement to add a panel containing a user control (textbox) + 2 Gridviews with their own item templates + other validations operating on these controls, on a Web-Form dynamically resulting from a button click. So every time a user clicks a button "Add Panel", a new panel would be generated with the above controls.I have a requirement to add a panel containing