How to fix MultiValueDictKeyError error - Django
Always remember that the files (eg. images etc.) that we upload through forms (i.e. through POST request) are accessed by
request.FILES method. On the other hand, the other parameters are accessed by using
request.POST method in views.py functions.
MultiValueDictKeyError is the basic and most common error that pop-ups when a beginner Django developer starts using forms to upload data. I will keep things as simple as possible (as I always do) and try to explain how can you fix the MultiValueDictKeyError exception in Django.
Many of you may use
request.POST['value'] method to get the value from the form. There is a simple way ( the key for all locks) i.e. just use
request.POST.get('value') for your form input value and
request.FILES.get('Image') for files as shown in the following example. On the other hand, you can use
request.GET.get('value') a method for accessing parameters from a GET request but for now, let's just talk about the POST request only.
Never forget to add
enctype an attribute in your form tag. It is a common mistake so it's a good practice to use "enctype" attribute in your form tag always.
NOTE: enctype(ENCode TYPE) attribute specifies how the form data should be encoded when submitting it to the server.
enctype='multipart/form-data' means that no characters will be encoded, which is why this type is used while uploading files to the server.
In your HTML code check whether all input tags contain name=" " attribute or not.
enctype="multipart/form-data" is used to avoid MultiValueDictKeyError.
Hope the above explanation helps you to resolve the error, any feedback on this article will be highly appreciated.
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