Generate qr code c#

QRCodeGenerator qrGenerator = new QRCodeGenerator();
QRCodeGenerator.QRCode qrCode = qrGenerator.CreateQrCode(textBoxQRCode.Text, QRCodeGenerator.ECCLevel.Q);
pictureBoxQRCode.BackgroundImage = qrCode.GetGraphic(20);

Source: stackoverflow.com

Qrcode c#

privatevoid Form1_Load(object sender, EventArgs e){OleDbConnection aConnection = new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:/Demo/BarcodeDemoData.mdb");aConnection.Open();OleDbDataAdapter dataAdapter = new OleDbDataAdapter("select * from Customer", aConnection);DataSet ds = new DataSet();dataAdapter.Fill(ds);//add a new column named "Barcode" to the DataSet, the new column data type is byte[]ds.Tables[0].Columns.Add(new DataColumn("Barcode", typeof(byte[])));Matrix Barcode = new Matrix();Barcode. MatrixBarcode = MatrixBarcode. QRCode;foreach (DataRow dr in ds.Tables[0].Rows){Barcode.BarcodeData = (int)dr["CustomerId"] + "";byte[] imageData = Barcode.drawBarcodeAsBytes();dr["Barcode"] = imageData;}CrystalReport1 rpt = new CrystalReport1();rpt.SetDataSource(ds);this.crystalReportViewer1.ReportSource = rpt;aConnection.Close();

Source: avapose.com

Similar codes

0 vote323 views1 answer
Visual studio import excel get document created date
C#
0 vote359 views1 answer
Wpf listboxitem event command
C#
2 votes339 views1 answer
Unity destroy object on collision
C#
0 vote338 views1 answer
C# alphabetize a list of string
C#
2 votes349 views1 answer
C# 2-dimensional array sort
C#
4 votes372 views1 answer
Unity play particle system
C#Unity
1 vote333 views1 answer
C# how to crete array
C#
0 vote329 views1 answer
C# allowedusernamecharacters
C#
0 vote348 views1 answer
Unity c# change animation
C#
9 votes324 views1 answer
C# return two variables of different types
C#