Question : Sort by short month name in the Tablix

I want to sort by short month name (Jan , Feb.....Dec) in my Tablix .... I am able to sort in the stored procedure bind to the report dataset... But in the report , it won't  work..
Please provide me the expression to achieve this.......

Answer : Sort by short month name in the Tablix

I prepared example for you and unable to upload file . here are screen shots by which i have implemented
 
Main Sort selection
Main Sort selection
 
 
Property Setting
Property  Setting
 
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