after dropdown selection fill the datagrid in mvc?

Question

Dear All,

 

am new to mvc,

 

 i have some 2 simple problems .

 

am bind some data to dropdownlist using sql stored procedure.and now i want to bind the data when am selecting the dropdown based on that dropdown value need to bind the datagrid using stored procedure in mvc .

 

 

am not using jquery and javascript,am using simple c# for to fill the dropdown .so please help me to solve these .need to pass dropdown id to fetch the data