Share Azure Blobs with Search and Tree View

The idea behind this was to create a nice, easy UI that users can download media files they request often.  We moved it to Azure to prevent killing our on-prem bandwidth, but then I had to deal with the flat file structure, etc.  The end result was simply: a fast search of all the blobs (with link) and underneath that, a tree structure of the blobs that they can browse through.

The Set Up

First, I created a Storage container through Azure Portal, then I used Azure Storage Explorer to create a Blob Container under that storage account.  I also set read-only permissions to my blobs by right clicking the container in Azure Storage Explorer, then: Set Container Public Access Level > Public Read Access for Blobs Only.

To make this code work, I needed to setup an environment variable for my connection string.  I used the prefix CUSTOMCONNSTR_ on my variable name as it comes in handy when deploying to Azure Web Apps.  To get the connection string:  Azure Portal > Storage Account you created > Access Keys.

setx CUSTOMCONNSTR_storageConnectionString "<yourconnectionstring>"

Finally, I got a folder I wanted to share and dragged and dropped it into my …

Print PDF’s on Azure Using an API and RazorLight

The Problem

I recently had an issue with printing a report to PDF using Microsoft Reporting Service and a RDLC file, etc. Something similar to this. Unfortunately, it worked great in development, but refused to work once deployed into Azure. No matter what I did, I could not duck the GDI errors I kept getting, and apparently this continues through a line of various PDF exporting extensions, all of which rely on GDI for export. Turns out, I’m not alone in facing this problem and so, I decided to find a solution.

The Solution

My general idea was to use something to render my PDF view, send that view as one long html string to a free PDF microservice and get the PDF in return.…

Azure Blob’s Ghost Folders?

This week I had to address a upload image to blob application that I had built in my development environment, was working fine, but needed to be configured to work in production.  For the application overall, I used Azure Samples for Upload Image to Storage (built in .NET Core).  In it, the configuration in appsettings.json looks like this:

"AzureStorageConfig": {
    "AccountName": "",
    "AccountKey": "",
    "ImageContainer": "images",
    "ThumbnailContainer": "thumbnails"
}

 

Account Name account name and AccountKey are easily found in Azure Portal, for container I used Azure Storage Explorer just so I could get a full look at the container and its blobs.  The problem was, in my development environment I was uploading DIRECTLY to container.  In the example above, I was uploading to the “images” container.  In my Production environment, though, my ImagesContainer had two folders:  images/small and images/large.  I tried to change the “ImagesContainer”:”images” to “ImagesContainer”:”images/small”, “ImagesContainer”:”images\small” and no go.  Requested URI not found.…