How to clear the filename and value of apex:inputFile
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3
I have and apex:inputFile tag where a user can input a filename to upload on a visualforce page. I have a javascript function which checks and alerts if a filesize is too large. After the Alert the inputfield stays filled with the file. How do I clear the input in javascript.
Visualforce
<apex:inputFile id="inputfile" value="{!newAtt.body}" filename="{!newAtt.name}" onchange="checkFileSize(event)" />
Javascript
<script>
function checkFileSize(event) {
if(event.target.files[0].size > 2**20*5) {
alert('File must be less than 5Mb');
//**Clear input**
}
}
</script>
visualforce javascript event inputfield
asked Dec 31 '18 at 13:48
ThomasThomas
738419
add a comment |
3
I have and apex:inputFile tag where a user can input a filename to upload on a visualforce page. I have a javascript function which checks and alerts if a filesize is too large. After the Alert the inputfield stays filled with the file. How do I clear the input in javascript.
Visualforce
<apex:inputFile id="inputfile" value="{!newAtt.body}" filename="{!newAtt.name}" onchange="checkFileSize(event)" />
Javascript
<script>
function checkFileSize(event) {
if(event.target.files[0].size > 2**20*5) {
alert('File must be less than 5Mb');
//**Clear input**
}
}
</script>
visualforce javascript event inputfield
asked Dec 31 '18 at 13:48
ThomasThomas
738419
add a comment |
3
3
3
I have and apex:inputFile tag where a user can input a filename to upload on a visualforce page. I have a javascript function which checks and alerts if a filesize is too large. After the Alert the inputfield stays filled with the file. How do I clear the input in javascript.
Visualforce
<apex:inputFile id="inputfile" value="{!newAtt.body}" filename="{!newAtt.name}" onchange="checkFileSize(event)" />
Javascript
<script>
function checkFileSize(event) {
if(event.target.files[0].size > 2**20*5) {
alert('File must be less than 5Mb');
//**Clear input**
}
}
</script>
visualforce javascript event inputfield
asked Dec 31 '18 at 13:48
ThomasThomas
738419
I have and apex:inputFile tag where a user can input a filename to upload on a visualforce page. I have a javascript function which checks and alerts if a filesize is too large. After the Alert the inputfield stays filled with the file. How do I clear the input in javascript.
Visualforce
<apex:inputFile id="inputfile" value="{!newAtt.body}" filename="{!newAtt.name}" onchange="checkFileSize(event)" />
Javascript
<script>
function checkFileSize(event) {
if(event.target.files[0].size > 2**20*5) {
alert('File must be less than 5Mb');
//**Clear input**
}
}
</script>
visualforce javascript event inputfield
visualforce javascript event inputfield
asked Dec 31 '18 at 13:48
ThomasThomas
738419
asked Dec 31 '18 at 13:48
ThomasThomas
738419
asked Dec 31 '18 at 13:48
ThomasThomas
738419
asked Dec 31 '18 at 13:48
ThomasThomas
738419
asked Dec 31 '18 at 13:48
ThomasThomas
738419
738419
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
6
You can pass the element id in the checkFileSize method, and then do your processing then
<apex:page controller="FileUploadController">
<apex:inputFile id="inputfile" value="{!newAtt.body}" filename="{!newAtt.name}" onchange="checkFileSize(event,id)" />
<script>
function checkFileSize(event , id ) {
if(event.target.files[0].size > 2**20*5) {
alert('File must be less than 5Mb');
//**Clear input**
document.getElementById(id).value ='';
}
}
</script>
</apex:page>
answered Dec 31 '18 at 14:18
Pranay JaiswalPranay Jaiswal
18.8k53159
Thanks for your answer, how can I make this work if the apex:input is between an apex repeat. For now it only works for the first input. How do I get the event inputfile?
– Thomas
Dec 31 '18 at 14:31
@Thomas updated code to support apex:reperat7
– Pranay Jaiswal
Dec 31 '18 at 14:36
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
6
You can pass the element id in the checkFileSize method, and then do your processing then
<apex:page controller="FileUploadController">
<apex:inputFile id="inputfile" value="{!newAtt.body}" filename="{!newAtt.name}" onchange="checkFileSize(event,id)" />
<script>
function checkFileSize(event , id ) {
if(event.target.files[0].size > 2**20*5) {
alert('File must be less than 5Mb');
//**Clear input**
document.getElementById(id).value ='';
}
}
</script>
</apex:page>
answered Dec 31 '18 at 14:18
Pranay JaiswalPranay Jaiswal
18.8k53159
Thanks for your answer, how can I make this work if the apex:input is between an apex repeat. For now it only works for the first input. How do I get the event inputfile?
– Thomas
Dec 31 '18 at 14:31
@Thomas updated code to support apex:reperat7
– Pranay Jaiswal
Dec 31 '18 at 14:36
add a comment |
6
You can pass the element id in the checkFileSize method, and then do your processing then
<apex:page controller="FileUploadController">
<apex:inputFile id="inputfile" value="{!newAtt.body}" filename="{!newAtt.name}" onchange="checkFileSize(event,id)" />
<script>
function checkFileSize(event , id ) {
if(event.target.files[0].size > 2**20*5) {
alert('File must be less than 5Mb');
//**Clear input**
document.getElementById(id).value ='';
}
}
</script>
</apex:page>
answered Dec 31 '18 at 14:18
Pranay JaiswalPranay Jaiswal
18.8k53159
Thanks for your answer, how can I make this work if the apex:input is between an apex repeat. For now it only works for the first input. How do I get the event inputfile?
– Thomas
Dec 31 '18 at 14:31
@Thomas updated code to support apex:reperat7
– Pranay Jaiswal
Dec 31 '18 at 14:36
add a comment |
6
6
6
You can pass the element id in the checkFileSize method, and then do your processing then
<apex:page controller="FileUploadController">
<apex:inputFile id="inputfile" value="{!newAtt.body}" filename="{!newAtt.name}" onchange="checkFileSize(event,id)" />
<script>
function checkFileSize(event , id ) {
if(event.target.files[0].size > 2**20*5) {
alert('File must be less than 5Mb');
//**Clear input**
document.getElementById(id).value ='';
}
}
</script>
</apex:page>
answered Dec 31 '18 at 14:18
Pranay JaiswalPranay Jaiswal
18.8k53159
You can pass the element id in the checkFileSize method, and then do your processing then
<apex:page controller="FileUploadController">
<apex:inputFile id="inputfile" value="{!newAtt.body}" filename="{!newAtt.name}" onchange="checkFileSize(event,id)" />
<script>
function checkFileSize(event , id ) {
if(event.target.files[0].size > 2**20*5) {
alert('File must be less than 5Mb');
//**Clear input**
document.getElementById(id).value ='';
}
}
</script>
</apex:page>
answered Dec 31 '18 at 14:18
Pranay JaiswalPranay Jaiswal
18.8k53159
edited Dec 31 '18 at 14:35
answered Dec 31 '18 at 14:18
Pranay JaiswalPranay Jaiswal
18.8k53159
answered Dec 31 '18 at 14:18
Pranay JaiswalPranay Jaiswal
18.8k53159
answered Dec 31 '18 at 14:18
Pranay JaiswalPranay Jaiswal
18.8k53159
18.8k53159
Thanks for your answer, how can I make this work if the apex:input is between an apex repeat. For now it only works for the first input. How do I get the event inputfile?
– Thomas
Dec 31 '18 at 14:31
@Thomas updated code to support apex:reperat7
– Pranay Jaiswal
Dec 31 '18 at 14:36
add a comment |
Thanks for your answer, how can I make this work if the apex:input is between an apex repeat. For now it only works for the first input. How do I get the event inputfile?
– Thomas
Dec 31 '18 at 14:31
@Thomas updated code to support apex:reperat7
– Pranay Jaiswal
Dec 31 '18 at 14:36
Thanks for your answer, how can I make this work if the apex:input is between an apex repeat. For now it only works for the first input. How do I get the event inputfile?
– Thomas
Dec 31 '18 at 14:31
Thanks for your answer, how can I make this work if the apex:input is between an apex repeat. For now it only works for the first input. How do I get the event inputfile?
– Thomas
Dec 31 '18 at 14:31
@Thomas updated code to support apex:reperat7
– Pranay Jaiswal
Dec 31 '18 at 14:36
@Thomas updated code to support apex:reperat7
– Pranay Jaiswal
Dec 31 '18 at 14:36
add a comment |
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