Vbnet+billing+software+source+code

Public Function GetDataTable(ByVal query As String, Optional ByVal parameters As SqlParameter() = Nothing) As DataTable Dim dt As New DataTable() Using conn As New SqlConnection(ConnectionString) Using cmd As New SqlCommand(query, conn) If parameters IsNot Nothing Then cmd.Parameters.AddRange(parameters) Using da As New SqlDataAdapter(cmd) da.Fill(dt) End Using End Using End Using Return dt End Function

Module DBConnection Public conn As SqlConnection Public cmd As SqlCommand Public da As SqlDataAdapter Public dt As DataTable vbnet+billing+software+source+code

: The central component where users select items, input quantities, and calculate subtotals, taxes, and final totals. Public Function GetDataTable(ByVal query As String