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

4 votes168 views1 answer
Minimize button c#
C#
1 vote190 views1 answer
How to turn off sprite renderer in unity
C#
0 vote184 views3 answers
Reporting Progress from Async Tasks c#
C#
0 vote186 views1 answer
C# console create window
C#
0 vote208 views1 answer
How to add rigidbody in unity
C#
0 vote198 views1 answer
C# random hash
C#
2 votes175 views2 answers
Wpf save file dialog
C#
-1 vote184 views1 answer
Hva er bukser på amerikansk
C#
0 vote227 views1 answer
Billboard canvas unity
C#Unity
0 vote190 views2 answers
Generate jwt token authorize(roles = admin ) not working .net core 403
C#