Printing To Serial Port
I have to setup a point-of-sale system for a friend. He has a PC, barcode scanner, receipt printer and cashdrawer.
The receipt printer connects to the serial port.
The cashdrawer connects to the printer.
The barcode scanner has a keyboard wedge.
Do I need to setup the receipt printer as a windows printer?
OR can I send output directly to the serial port using ASP?
The salesman told us that there is an epson escape sequence that you append to the end of the sales receipt information, which will kick the cashdrawer open, so that sounds simple enough. Just not sure on how the printer should be setup/configured so I can send the escape sequences to open the cashdrawer.
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do u have experience in using browsers (IE or Firefox) control hardwares like barcode printer or com port before? can it be done? if yes is it using ActiveX to achieve it?
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the code i try to use was as below but cannot be done:
Form_serial_no= request.form("serial_no")
If IsNumeric(Form_serial_no)=0 OR InStr(Form_serial_no,"-")=0 Then
Response.write "<br>*Serial Number in wrong format"
Validated_Form =False
End If
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i have a connection string (this all in asp )
tCSCst = Provider=SQLOLEDB;Data Source=test02x2;Port=1444;Initial
Catalog=<cataloge>;User ID=<id>;Password=<password>
Set testCaseServerConn = Server.CreateObject("ADODB.Connection")
testCaseServerConn.Open tCSCstr
but i get the following error
An error occured:-2147467259 - Invalid connection string attribute
the problem seems to be the port itself, if i use 1433 then it works fine.
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i have a connection string (this all in asp )
tCSCst = Provider=SQLOLEDB;Data Source=<bd>;Port=1444;Initial
Catalog=<cataloge>;User ID=<id>;Password=<password>
Set testCaseServerConn = Server.CreateObject("ADODB.Connection")
testCaseServerConn.Open tCSCstr
but i get the following error:
An error occured:-2147467259 - Invalid connection string attribute
the problem seems to be the port itself, if i use 1433 then it works
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