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AsyncFileUpload changes the frame target to "_top" #466

Ashvit opened this issue Dec 23, 2018 · 1 comment


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commented Dec 23, 2018

The AJAX Control Toolkit <>

The installation method

NuGet package

Minimal steps to reproduce the bug

  1. Create 2 WebForms (Main.aspx, Sub.aspx).
  2. Add an asyncFileUpload and a button in the sub,aspx.
  3. In main.aspx add a frame with src pointing to sub.aspx.
  4. Run the code.
  5. Select any file using choose file button.
  6. Click the other button inside the frame.

Actual result

The browser loads the sub.aspx page in the window.

Expected result

the browser should load the main.aspx page in the window.

Browser(s) used

Chrome, Firefox


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commented Dec 24, 2018


Before file select:

After file select:

Related code:

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