Download excel/csv document from a grid on a single click

RE: Download excel/csv document from a grid on a single click

Preji P — Fri, 19 Jan 2024 07:28:47 GMT

Hello all,

I have somewhat similar requirement and would need your help and expertise to find a solution.

So we have an external database (Mongo DB) from where we are fetching our data ( from multiple tables/collections) using integration and display this data on Appian UI after doing some alteration on few fields.

And in my grid am displaying around 35 columns and row many go upto 100 in certain cases.

Now the users what a download option, as we dont save data in appian export to CSV/excle from DSE isn't an option for us.

So how can I download this large data in Appian.

Thanks In advance,

Preji

RE: Download excel/csv document from a grid on a single click

ankitab535847 — Mon, 04 Sep 2023 10:48:48 GMT

So I took all of your suggestions, and here's what I did:

1) Created a post WebApi in Appian to download document (So that I can pass the Ids in body)

2) Created an integration to call the API

3) Created a process model to call the integration and save the document Id in a process variable

4) Used a!startProcess synchronously in the interface to call the process and saved the document id in local variable. This action was done using a button

5) Used the document id in a document download link. Finally able to download with two clicks

After all this, I am still failing to generate the document using web api when the number of Ids go beyond a certain value. This is mainly because the webapi itself is calling another integration which is timing out because of large data.

Another approach that I was to pass the cdt (which contains all the details) into the body of the web api in json format. In that case, the web api doesn't need to call another integration.

This approach seemed to be working

RE: Download excel/csv document from a grid on a single click

Abhay Dalsaniya — Thu, 31 Aug 2023 16:39:14 GMT

Are you using third party webapi? You need to ask webapi developer to change the api code to start including the large set of ids into request body instead as a query parameter.

RE: Download excel/csv document from a grid on a single click

Stefan Helzle — Thu, 31 Aug 2023 16:37:59 GMT

Normal HTML Links do not support a HTTP body.

RE: Download excel/csv document from a grid on a single click

ankitab535847 — Thu, 31 Aug 2023 16:30:12 GMT

So I am using the web api url in the link field of an interface. At the end of the url i am passing the case Ids which is becoming the query parameters. If I have to pass them in the request body, can you suggest how do i pass the case Ids using the url. It would be very helpful if you can send a sample code

RE: Download excel/csv document from a grid on a single click

Abhay Dalsaniya — Thu, 31 Aug 2023 15:42:39 GMT

>>2) The Ids I am passing as query parameters. When there are more than 1000 ids, the url is becoming too long and the API is failing.

In that case, pass the Ids in the request body.

RE: Download excel/csv document from a grid on a single click

Stefan Helzle — Wed, 30 Aug 2023 07:48:09 GMT

Yeah, well ... I would challenge this "requirements". And I still do not see a way to achieve this in a single user interaction.

RE: Download excel/csv document from a grid on a single click

ankitab535847 — Wed, 30 Aug 2023 07:42:07 GMT

I need a suggestion on how to generate the document. Having data in the database is not an option. We don't save the data in Appian. The only way to retrieve the data is using an integration

RE: Download excel/csv document from a grid on a single click

Stefan Helzle — Wed, 30 Aug 2023 07:20:32 GMT

For what? The data manipulation? Currently the best option in terms of speed and resource consumption is a table in the database. Then the API CSV download approach would work as well.

RE: Download excel/csv document from a grid on a single click

ankitab535847 — Wed, 30 Aug 2023 06:57:01 GMT

Can you suggest any other option

RE: Download excel/csv document from a grid on a single click

Stefan Helzle — Wed, 30 Aug 2023 06:54:05 GMT

Doing all this data manipulation in memory seems not to be a great idea. But regardless of this, I do not see a way to achieve this in a single user interaction.