ASP. NET 5 lines of code to do two-dimensional code

Just into the job, received a company needs to give each news chain to deliver a two-dimensional code, not done before, today tried a little bit simple, minutes of work.

Baidu began to search, about the two-dimensional code is a call QRCode tool class to do, that great Microsoft must have their own qrcode, sure enough nuget to find the Qrcodenet this DLL loaded on, put the following 4 lines of code a paste done!

protected void Button1_Click (object sender, EventArgs e)
{
Qrencoder Qrencoder = new Qrencoder (ErrorCorrectionLevel.H);
QRCode QRCode = new QRCode ();
Qrencoder.tryencode (TextBox1.Text, out qrcode);
Renderer Renderer = new Renderer (5, Brushes.black, brushes.white);
Renderer. Createimagefile (Qrcode.matrix, @ "C:\temp\HelloWorld.png", imageformat.png);
}

Renderer have. Createimagefile and some methods of the output stream, you can follow up to see the understanding.

ASP. NET 5 lines of code to do two-dimensional code