如何为表或存储过程中的show result配置Odata api

I am going to create an Odata api in asp.net mvc 4 for get data from new table. when I call the Odata method and use debug in the code It shows me data properly. But when it comes to browser, it shows empty screen. There is no error shown in the code.I am going to create an Odata api in asp.net mv