public Task <IdentityRole> FindByNameAsync(String roleName)
{
var role = _roleTable.GetRoleByName(roleName);
IdentityRole result = role as IdentityRole;
return(Task.FromResult <IdentityRole>(result));
}
public Task <TRole> FindByNameAsync(string roleName)
{
TRole result = roleTable.GetRoleByName(roleName) as TRole;
return(Task.FromResult <TRole>(result));
}