RadGrid Ajax PopAlert

I have a situation where I need to, based on user selection and some server-side processing, display a message to allow user to choose to continue processing or cancel. I have a RadGrid populated with data from the database. When User adds a new item to the grid,I want to do some processing in the back end and then inform the user of wha开发者_JS百科t could result and give him/her the choice to continue and believe that a message box or modal popup/radalert is the best way to do it, but how do I create the message in the back end and then using a popup, display the message and block until user responds. How do I do it please?

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I think you need to create the confirmation dialog inside the ItemCommand or InsertCommand event. Here is an thread with example code about Opening Rad confirmation Pop up from the server side

See also: Adding a delete confirmation