How to Upgrade DevExPress from 9.3 to 12.1 ASP.NET

问题

We have asp.net application using DevExpress 9.3 version and we have to upgrade to 12.1, what is the best way to upgrade ?

回答1:

Use the Project Converter tool for this purpose.

See the Upgrade Notes topic for details.

回答2:

Generally you just install the new version, then open the solution in the newer version, that's how Visual Studio, etc. works. They should run in parallel and make backups, so trying won't be of any harm.

回答3:

In Visual studio, click DevExpress -> Project Converter -> Project Converter v15.2

This will open up the project converter window

There is no special need for fidgeting with the Advanced Settings
Click Upgrade
The Project converter tool might ask for confirmation about updating the read-only files
Click Yes to All, to make sure that the tool doesn't disturb you for every next file

To save the conversion log, click Save Log (optional)

Click Finish

Visual Studio might get confused with some elements:

'XYZ' is an ambiguous reference between 'namespace ABC' and 'namespace DEF'

A few examples are:

Replace SelectedItemCollection with DevExpress.Web.SelectedItemCollection

Replace Collection with System.Collections.ObjectModel.Collection

Clear the Bin and Obj folders as stated on DevExpress' knowledge base

来源：https://stackoverflow.com/questions/13241683/how-to-upgrade-devexpress-from-9-3-to-12-1-asp-net

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