RadFileExplorer does not provide localization for the mentioned: Copy , Close, Delete , "No records to display (the grid with no
as or server-side properties of the controls (such as RadFileExplorer1.Grid.MasterTableView.NoMasterRecordsText = "no text").
For further information heck the following forum thread
Some texts are hard to localize.
control uses the same localization mechanism as RadEditor (.resx files in the App_GlobalResources
folder). If you want to change the localization strings, you need to copy the RadEditor.Dialogs.resx
file in the App_GlobalResources
folder of your application and edit the strings inside.
For further information check the following forum thread