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Hi Dzung,
The Editor uses a FileExplorer in order to display files and folders in its ImageManager and by design FileExplorer works only with virtual paths to folders placed inside the application root. This is why if you want it to access folders placed outside your project, you have to implement a custom FileBrowserContentProvided.
For example, in order to configure RadFileExplorer to work with shared drives you need to either implement a custom content provider, or to use the one available in the following KB article:
Use RadFileExplorer with physical and shared folder's paths
In order to apply the above explained modifications, you will have to configure the Editor's ExternalDialogsPath property to point the folder, containing its dialogs and then to modify the FileBrowser.ascx dialog. More detailed information on the subject is available in this online demo: Customize Built-in Dialogs
All the best,
Veselina Raykova
the Telerik team
The Editor uses a FileExplorer in order to display files and folders in its ImageManager and by design FileExplorer works only with virtual paths to folders placed inside the application root. This is why if you want it to access folders placed outside your project, you have to implement a custom FileBrowserContentProvided.
For example, in order to configure RadFileExplorer to work with shared drives you need to either implement a custom content provider, or to use the one available in the following KB article:
Use RadFileExplorer with physical and shared folder's paths
In order to apply the above explained modifications, you will have to configure the Editor's ExternalDialogsPath property to point the folder, containing its dialogs and then to modify the FileBrowser.ascx dialog. More detailed information on the subject is available in this online demo: Customize Built-in Dialogs
All the best,
Veselina Raykova
the Telerik team
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