linq dbml file

Question

hello.

I am using linq in my website . i have a dbml file on which i have drop the table from the server explorer which i have to used in the project.

whenever i changed the structure of the table like datatype of column,name of the column of the table. it will not reflect in the dbml files. i have to again delete that table from the dbml file and add new one to it.

Please tell me is there any way , that i have not to do this thing. or it will do automatically.

Please Answer...