Open edmx file, right click anywhere in the modal and select "Update Model from Database" and follow the instructions and choose the desired tables and SPs.
Sometimes even after following these steps, your model will not get updated, close Visual Studio and restart it again. This has happened many times for me.
与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…