Sending A SendGrid Template Email SendGrid is a pretty good ESP and has a nice API, it also has a free tier available through the Azure Portal. The C# library for it available through NuGet makes it easy to call the API but the documentation on GitHub is a bit Read more…
Passing URL Parameters Through A Razor Page While trying to take the URL parameters from a page view and append them to an API call from a Razor web page in an MVC web application I kept on getting the URI encoded version of the ampersand from Context.Request.QueryString rather than Read more…
Multipart Form File Uploads Using WebClient If you need to upload a file to an API using a multipart form then you’re generally better off using HttpClient rather than WebClient, unfortunatly however HttpClient isn’t available in SSDT so if you need to upload a file from a script task then Read more…
Getting a List of Countries and Their Identifiers The RegionInfo class in System.Globilization provides useful details about a region (country) such as the name, currency and ISO identifying codes. If you want to get a RegionInfo for every available country then you can use the following code which came from Read more…
Using Let’s Encrypt SSL Certificates with Azure Functions In Azure Web Apps I’ve set up previously I’ve managed to get SSL certificates for the custom domains used by using the “Let’s Encrypt” site extension in the kudu management portal as detailed here. I’d hoped it would be as easy to Read more…
PGP Encryption and Decryption in C# A while ago I knocked up a NuGet package called PgpCore which uses the BouncyCastle library to easily encrypt and decrypt files and streams. The code for the project is here and this post is mainly here to point anyone in need towards it Read more…
Upper Case the First Letter of a String This is a simple string extension for upper casing the first letter of a string, the code originally came from here. public static class StringExtensions { public static string FirstLetterToUpperCase(this string s) { if (string.IsNullOrEmpty(s)) throw new ArgumentException(“There is no first letter”); Read more…
User GeoLocation in ASP.NET Core If you want to get the physical location of a user on your site there’s a couple of different methods that you can use, you can either use their IP address to get an approximate location or you can request a more accurate location from Read more…
Thread Safe DataTable Inserts and SqlBulkCopy As part of a project where I was running multiple threads making API calls like this I was making a stored procedure call to log the results to an SQL database for each result returned. This worked fine when a low number of threads Read more…
Cryptographically Secure Random Number In a similar vein to my attempt to generate a cryptographically secure random string I also wanted to be able to create cryptographically secure random numbers. The below function is based on the answer from Markus Olsson to the stackoverflow question here. public static int GetRandomInteger(int Read more…