Here Mudassar Ahmed Khan has explained with an example, how to solve the error when using DownloadString method of the .Net WebClient class along with SSL3 Security Protocol in C# and VB.Net.

Error: The client and server cannot communicate, because they do not possess a common algorithm

The above error is caused when TLS 1.2 protocol is not used before calling an API or Service and hence there is mismatch in the cryptographic algorithm.

Here Mudassar Ahmed Khan has explained with an example, how to solve the error when using DownloadString method of the .Net WebClient class in C# and VB.Net.
Error: Could not create SSL/TLS secure channel

The above error is caused when TLS 1.2 protocol is not used before calling an API or Service which uses TLS 1.2 protocol for establishing secure channel for communication.

Here Mudassar Ahmed Khan has explained with an example, how to reverse a String without using in-built String function in C# and VB.Net.

This article will illustrate how to reverse a String using a simple FOR LOOP in C# and VB.Net.

Here Mudassar Ahmed Khan has explained with an example, how to send emails using GMAIL in ASP.Net Core.

This article will illustrate how to send emails with attachment using GMAIL SMTP Mail Server in ASP.Net Core.