public async Task <IActionResult> EditRole(string id)
{
// Find the role by Role ID
var role = await roleManager.FindByIdAsync(id);
if (role == null)
{
ViewBag.ErrorMessage = $"Role with Id = {id} cannot be found";
return(View("NotFound"));
}
var model = new ViewModel.EditRoleViewModel
{
Id = role.Id,
RoleName = role.Name
};
// Retrieve all the Users
foreach (var user in userManager.Users)
{
// If the user is in this role, add the username to
// Users property of EditRoleViewModel. This model
// object is then passed to the view for display
if (await userManager.IsInRoleAsync(user, role.Name))
{
model.Users.Add(user.UserName);
}
}
return(View(model));
}
public async Task <IActionResult> EditRole(ViewModel.EditRoleViewModel model)
{
var role = await roleManager.FindByIdAsync(model.Id);
if (role == null)
{
ViewBag.ErrorMessage = $"Role with Id = {model.Id} cannot be found";
return(View("NotFound"));
}
else
{
role.Name = model.RoleName;
// Update the Role using UpdateAsync
var result = await roleManager.UpdateAsync(role);
if (result.Succeeded)
{
return(RedirectToAction("ListRoles"));
}
foreach (var error in result.Errors)
{
ModelState.AddModelError("", error.Description);
}
return(View(model));
}
}