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

2 votes137 views1 answer
New line console c#
C#
0 vote137 views1 answer
Convert path to uri c#
C#
4 votes144 views3 answers
C# clear an array
C#
1 vote143 views1 answer
C# string capital first letter extension method
C#
19 votes132 views6 answers
Property 'name' has no initializer and is not definitely assigned in the constructor.ts(2564)
C#
0 vote202 views1 answer
Unity magnetize a 3d object to cursor
C#Unity
2 votes131 views1 answer
Move in the direction that player is facing unity
C#
0 vote136 views1 answer
Unity get prefabs from folder
C#
4 votes138 views2 answers
Linq sum
C#
0 vote133 views1 answer
LAST ELEMT OF ARRAY
C#