To Rename the nameSpace(FolderContainer), ProjectFile, solutionFile constructively

Question Received:

       How to Rename the nameSpace(FolderContainer), ProjectFile,
solutionFile undestructively.


To Rename the nameSpace(FolderContainer), 
ProjectFile, solutionFile
   i. Rename the SolutionFile.
   ii.Open the VS SolutionFile in the MSVisualStudio
   iii.Rename the projectFile.
   iv.Build the solution.
   v. Rename the 'cs' Files, if Yo need
   vi.Re-Build the solution
   vii.Finally, Build the Entire solution once.
   viii.For renaming the namespace, unload and remove the project
        from the solution.
   ix. Rename the projectFolder(nameSpace)
   x. GoTo MSVisualStudio, Add-->ExistingProject-->
      BrowseForProjectFile-->'OK'
   xi.Re-Build the Solution.
   xii.Cheers, It's done.

[Note:] Follow the steps in order, and taking the backup of Entire Project is more advisable.