Clear Session Storage after logout in Blazor #6977

8 Answer(s)

• 

  0

  Anjali_Musmade created 2 years ago

  Support Team Member

  Hello ,

  Please check this solution if it works for you https://stackoverflow.com/questions/77204224/how-to-clear-all-the-sessions-using-protectedsessionstorage-in-blazor-server-app.

  Thank you.

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  lan.dang created 2 years ago

  It does not work for me, if using sessionStorage.Clear(), I cannot call it from OnGetAsync method in LogoutModel

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  0

  Anjali_Musmade created 2 years ago

  Support Team Member

  Hello ,

  Can you please try to add this code in Logout.cshtml.cs file

  

  Please check once with this code and let me know if anything needed.

  Thanks,

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  lan.dang created 2 years ago

  As I mentioned, it raises error InvalidOperationException: JavaScript interop calls cannot be issued at this time. This is because the component is being statically rendered. When prerendering is enabled, JavaScript interop calls can only be performed during the OnAfterRenderAsync lifecycle method.

  There is no method OnAfterRenderAsync in LogoutModel to overwrite

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  lan.dang created 2 years ago

  @Anjali_Musmade do you have any other idea? Thanks

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  0

  liangshiwei created 2 years ago

  Fullstack Developer

  Hi,

  You can try this:

  public partial class Index
  {
      
      [SupplyParameterFromQuery]
      public string Page { get; set; }
      
      [Inject]
      public IJSRuntime JsRuntime { get; set; }
  
      protected async override Task OnInitializedAsync()
      {
          if (Page == "/Account/~/Account/Login")
          {
              await JsRuntime.InvokeVoidAsync("sessionStorage.clear");
          }
      }
  }
  

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  lan.dang created 2 years ago

  Thank you, this solution seems work for me BTW, I added to OnAfterRenderAsync protected override async Task OnAfterRenderAsync(bool firstRender) { if (firstRender) { //Temporary solution to clear session storage if (Page == "/Account/~/Account/Login") { await jsRuntime.InvokeVoidAsync("sessionStorage.clear"); } } await base.OnAfterRenderAsync(firstRender); }

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  0

  liangshiwei created 2 years ago

  Fullstack Developer

  It's ok.

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