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Checking if a file has been selected for upload


Checking if a file has been selected for upload

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Checking if a file has been selected for upload
Tag : php , By : Michael Gunderson
Date : November 25 2020, 03:01 PM

will be helpful for those in need I want to check if a file has been selected for upload when submitting my edit record form. Currently it's not working as it's overwriting the current filepath with a blank record instead of doing nothing. I have tried searching other questions related to this but none of the answers help me. , This solved it for me.
if ($hasfilePath != "") {
    $sql1 = "UPDATE `subcontractor_qs` SET 
    healthandsafetyupload = '" . mysql_real_escape_string($hasfilePath) . "' WHERE subcon_id = $subcon_id";
    $query1 = mysql_query($sql1) or die(mysql_error());
}

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Tags :

Checking if a file has been selected for upload , undefined index error when checking that a file is selected to upload or not , upload file if file is selected and if not selected then send null value in db with file size validation , vaadin] in upload component , upload button click when no selected file ,

undefined index error when checking that a file is selected to upload or not

Tag : codeigniter , By : user186435
Date : March 29 2020, 07:55 AM
To fix this issue This probably happening because you are missing enctype="multipart/form-data" from your form opening tag. If you are using the CodeIgniter form helper this attribute will be added to your form opening tag if you use the following function
form_open_multipart()

upload file if file is selected and if not selected then send null value in db with file size validation

Tag : php , By : Big Ant
Date : March 29 2020, 07:55 AM
it fixes the issue Possible error
enctype="multipart/form-data" is missing php.ini might not have file_uploads = on set

File upload: How to check if any file is selected using Multipart file-upload

Tag : html , By : user181445
Date : March 29 2020, 07:55 AM
may help you . I found Headers.ContentDisposition.FileName useful to check. Because a file should have a name.

Download user selected file/upload a file to a user selected directory both with primefaces

Tag : jsf , By : user98986
Date : November 24 2020, 11:01 PM
this one helps. working with file chooser is only possible with the Upload method look at this post to understand how to implement it in your project Upload File Step by Step and you can even read more in the Primefaces web site Primefaces Upload File if you need to add a FileSizeLimite and many other features.
Now for the download method i told you that it's impossible because you have a default file location (generally it's Download) you can read more about it in the Primefaces web site Primefaces Download File you can set it manually but it will not be dynamic look at this post Change Download Path.

vaadin] in upload component, upload button click when no selected file event

Tag : development , By : Francis
Date : March 29 2020, 07:55 AM
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