SQL SERVER : Rename all stored procedures in database

I was working on a project and got a requirement from client to rename all stored procedures with  some a specific work as prefix.

I referred some websites and finally found following command,
It renames all stored procedures as single execution.

Could not load file or assembly 'AjaxControlToolkit' or one of its dependencies. The parameter is incorrect. (Exception from HRESULT: 0x80070057 (E_INVALIDARG)) [Updated]

The title of this post is common error for .net developers. Sometimes, when you try to run your project, you may get this error

Could not load file or assembly 'AjaxControlToolkit' or one of its dependencies. The parameter is incorrect. (Exception from HRESULT: 0x80070057 (E_INVALIDARG))

There is a number of blog posts available on different websites. I have clubbed them here for quick view. Follow them step by step, that may resolve the issue.

Dynamically changing META Tags in MasterPages from ContentPage

In addition to one of my previous article reference regarding Changing Page Title and Meta Tags with Master Pages.

The earlier method doesn't work in some cases so I was looking for some proper method.
And finally I have found another method of changing meta tag values.

You can visit the following website that describes the content with proper example.