File download with lightning component

Solved Questions This Question JeffreyStevens How to download attachment in lightning component I have a lightning component that I'm putting on a Community page, and I want to place a download link on it - to download an attachment.

In Visualforce - I always did Has anybody done a download link of an attachment ID in a componet? Best Answer chosen by JeffreyStevens. JeffreyStevens I found my answer. To make existing files visible to external user run below code in anonymous window. We can retrieve all files using ContentDocument and iterate each file and make visible to all users. After above step is done, files will be visible to community user as well.

Now we have to get content when files will be accessed from community so let us create apex class to get files. As we can retrieve all file of case so we can use function GetEntityRecordFiles of above class.

Niks Developer. In this post, we will implement the functionality to preview files in Lightning Aura Component using lightning:fileCard and custom implementation. Create a Lightning Aura Component and lightning:fileCard which accepts two arguments:. Thanks for the code. Is that possible to download the csv if we have paginated the records? What do we need to do in that case? Please clarify. This is really useful. Great blog. Through VF I know but in lighting ,facing the issue to pass the file from lighting to apex.

Do we have a similar code for downloading data as xls file as well? Can you please also tell me that how can I get the size of the CSV file and show the indicator of the downloading file that how much size is downloaded. I have a visualforce tab. I am using lightning component to download csv file. Please help me if you have faced the same issue. This is nice post regarding csv download and helpful also but i have a query that if i want to get the lookup field how t pass it on keys.

As i am unable to get the parentfield value on export. Piyush, you can use a wrapper class to populate all the required fields on the apex controller and pass that to the js controller. Any alternative JS snippet to get this working in IE?

I am using lightning component to download csv file and successfully worked, but I want header row should in bold. How can I achieve that. If this possible or not? When i click on the button on chrome, the page will freeze until the process is finished, is this a browser setting issue or can we do something to prevent this?

This helped me. It works fine. I have columns highlighted with some colours based on some conditions and date format these are not coming in the csv. This is giving me access is denied in edge browser. We are unable to get special characters data, data has stopped in csv where special character exists. Please help me with getting special characters data also.

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