how to Disable cut, copy, paste, right click and context menu in a textbox on aspx page using javascript

in this web programming tutorial we will learn that how we can make disable cut, copy and paste facility to avoid copying our contents on asp.net pages,

see the below code

You can use same concept with input textbox like

to disable the copy, paste, cut, right click and contextmenu in textbox.
I have used the events (oncopy, onpaste, oncut, oncontextmenu) of textbox to achieve the desired disability.

If you want to show the alerts then you have to modify the code like this

javascript Functions: