Need to create roles in Authorization in C#

Question

Student Access the Exam grades

Staff can access student Exam grades

 

SuperAdmin can access ( CRUD on Exam  grades).

 

 In web config.

<authentication mode="window">

</authentication> 

<authorization>

<allow roles="Student,Staff,SuperAdmin"/>

<deny user="*"/>

</authorization>

 

// I need to created the Student, staff,SuperAdmin

 

 

in Code behind page

 

if( User.IsInRole("Student"))

{

// Access the exam grades 

} 

 else if( User.IsInRole("Staff"))

{

// Access the student grades

}

 else if( User.IsInRole ("SuperAdmin"))

{

//Access for insert,update, delete of Exam grades  

} 

 

 

 

 I need to created role of Student, Staff, SuperAdmin