Generate Barcodes from Excel - VB.NET
BarCode SDK sample in VB.NET demonstrating ‘Generate Barcodes from Excel’
Module1.vb
Imports Bytescout.BarCode
Imports System.Data.OleDb
Module Module1
Sub Main()
Dim barcode As Barcode = New Barcode()
barcode.Symbology = SymbologyType.Code128
Dim connection As New OleDbConnection("Provider=Microsoft.ACE.OLEDB.12.0;Data Source=Book1.xlsx;Extended Properties='Excel 8.0;HDR=Yes'")
connection.Open()
Dim command As OleDbCommand = connection.CreateCommand()
command.CommandText = "SELECT * FROM [Sheet1$]"
Dim dataReader As OleDbDataReader = command.ExecuteReader()
Dim i As Integer
While dataReader.Read()
barcode.Value = Convert.ToString(dataReader.GetValue(0))
barcode.SaveImage(barcode.Value & ".png")
i = i + 1
End While
dataReader.Dispose()
connection.Dispose()
barcode.Dispose()
End Sub
End Module
Resources.Designer.vb
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