如何使用VB.Net通过POS打印机打印Bill [英] How to Print Bill by POS Printer using VB.Net

问题描述

那里，



如何从POS打印机的数据库打印账单。我什么都不知道。



我怎么打印？



谢谢，

hi there,

how can i print bill from database in POS printer. i dont have any idea.

how can i print?

Thanks,

推荐答案

check

POS打印：简单方式 [ ^ ]

Microsoft POS Library for .NET [ ^ ]

如何使用VB.Net打印POS打印机的收据。 [ ^ ]

check
POS Printing: The Easy Way[^]
Microsoft POS Library for .NET[^]
How to Print Receipt by POS Printer using VB.Net.[^]

试试



Dim d isplayString As String

Dim ESC As String = Chr（&H1B）+a+ Chr（0）

Dim ESC2 As String = Chr（&H1B）+@

Dim ESC1 As String = Chr（&H1B）+a+ Chr（1）'Allign Middle

Dim ESC4 As String = Chr（&H1B）+a + Chr（2）'Allign right

Dim ESC5 As String = Chr（&H1B）+！ + Chr（17）'双高字体模式

Dim ESC6 As String = Chr（&H1B）+！ + Chr（1）'取消双高字体模式



strSQl =从vewSalesInvoice选择*，其中DocNo ='&strDocNo&'

Dim da As New SqlDataAdapter（strSQl，cnn）

Dim dt As New DataTable

da.Fill（dt）

Dim strCustomer作为String

Dim strMemo As String

strMemo = dt.Rows（0）（TokenNo）

strCustomer = dt.Rows（0 ）（名称）

displayString = vbNewLine

displayString + = ESC1 + ESC5 + CNm + ESC6 + vbNewLine

displayString + = ESC1 + 班达拉加山拉特纳普拉路。 + vbNewLine

displayString + = ESC1 +Cash Receipt+ vbNewLine

displayString + =----------------- ----------------------

displayString + = vbNewLine

displayString + = ESC +Transaction ＃：+ strDocNo

displayString + = ESC + vbNewLine

displayString + =Date：+ Date.Today（）+ vbTab.ToString（）+Time：

displayString + = DateAndTime.Now（）。ToLongTimeString（）+ ESC

displayString + = ESC + vbNewLine



displayString + =Cashier：+ CStr（GlobalUserName）+ vbTab.ToString（）

displayString + = vbNewLine

displayString + =Customer：+ strCustomer

displayString + = vbNewLine

displayString + =备注：+ strMemo

displayString + = vbNewLine

displayStri ng + =---------------------------------------

displayString + = vbNewLine

displayString + = ESC +＃+Item+ vbTab.ToString（）+Rate+ vbTab.ToString（）+Qty+ vbTab.ToString （）+Total+ vbTab.ToString（）+Desc。

displayString + = vbNewLine

displayString + =--------- ------------------------------

displayString + = vbNewLine



Dim dblGrossTot As Double

Dim dblDiscount As Double

Dim dblNetTotal As Double

Dim dblPaid As Double

Dim dblBalRetuned As Double



'为数据集的每一行迭代循环。



dblDiscount = dt.Rows（0）（LineDiscount）

dblNetTotal = dt.Rows（0）（TranValue）

dblPaid = dt。行（0）（付费）

dblBalRetuned = dt.Rows（0）（BalanceReturned）

如果dt.Rows.Count> 0然后

Dim k As Integer

Dim n As Integer

k = dt.Rows.Count - 1

n = 1

Do while not k< 0



Dim strItemCode As String

Dim strItemName As String

Dim dblRate As Double

Dim dblQty As Double

Dim dblLineTotal As Double



strItemCode = dt.Rows（k）（ItemNumber）

strItemName = dt.Rows（k）（Description）

dblRate = FormatNumber（dt.Rows（k）（RegPrice），2）

dblQty = -dt.Rows（k）（Qty）

dblLineTotal = dblQty * dblRate

dblGrossTot = dblGrossTot + dblLineTotal



displayString + = ESC4 + n.ToString +

displayString + = strItemCode +

displayString + = FormatNumber（dblRate。 ToString，2）++ dblQty.ToString + vbTab.ToString（）+ vb Tab.ToString（）+ FormatNumber（dblLineTotal.ToString，2）

displayString + = ESC + vbNewLine

displayString + = ESC + strItemName + vbTab.ToString（）

displayString + = ESC + vbNewLine

k = k - 1

n = n + 1

循环

displayString + =---------------------------------------

displayString + = vbNewLine

displayString + = ESC4 +GROSS TOTAL：+ vbTab.ToString（）+ vbTab.ToString（）+ FormatNumber（dblGrossTot.ToString，2）

displayString + = vbNewLine

displayString + = ESC4 +DISCOUNT：+ vbTab.ToString（）+ vbTab.ToString（）+ FormatNumber（-dblDiscount.ToString，2）

displayString + = vbNewLine

displayString + = ESC4 +NET TOTAL：+ vbTab.ToString （）+ vbTab.ToString（）+ FormatNumber（dblNetTotal.ToString，2）

displayString + = vbNewLine

displayString + =--------- ------------------------------

displayString + = vbNewLine

displayString + = ESC4 +PAID：+ vbTab.ToString（）+ vbTab.ToString（）+ FormatNumber（dblPaid.ToString，2）

displayString + = vbNewLine

displayString + = ESC4 +BAL。已恢复：+ vbTab.ToString（）+ vbTab.ToString（）+ FormatNumber（dblBalRetuned.ToString，2）

displayString + = vbNewLine

displayString + = vbNewLine

displayString + = ESC1 +感谢您购物

displayString + = vbNewLine

displayString + = vbNewLine

displayString + = vbNewLine

displayString + = vbNewLine

displayString + = vbNewLine

displayString + = vbNewLine

displayString + = vbNewLine

displayString + = vbNewLine



ADRport.Open（）

ADRport.Write（displayString）

ADRport.Close（）

结束如果



Catch ex As Exception



MsgBox（ex.ToString（））



结束尝试

Try

Dim displayString As String
Dim ESC As String = Chr(&H1B) + "a" + Chr(0)
Dim ESC2 As String = Chr(&H1B) + "@"
Dim ESC1 As String = Chr(&H1B) + "a" + Chr(1) 'Allign Middle
Dim ESC4 As String = Chr(&H1B) + "a" + Chr(2) 'Allign right
Dim ESC5 As String = Chr(&H1B) + "!" + Chr(17) ' Double hight font mode
Dim ESC6 As String = Chr(&H1B) + "!" + Chr(1) ' Cancel Double hight font mode

strSQl = "Select * from vewSalesInvoice where DocNo ='" & strDocNo & "'"
Dim da As New SqlDataAdapter(strSQl, cnn)
Dim dt As New DataTable
da.Fill(dt)
Dim strCustomer As String
Dim strMemo As String
strMemo = dt.Rows(0)("TokenNo")
strCustomer = dt.Rows(0)("Name")
displayString = vbNewLine
displayString += ESC1 + ESC5 + CNm + ESC6 + vbNewLine
displayString += ESC1 + "Ratnapura Rd, Bandaragama." + vbNewLine
displayString += ESC1 + "Cash Receipt" + vbNewLine
displayString += "---------------------------------------"
displayString += vbNewLine
displayString += ESC + "Transaction #:" + strDocNo
displayString += ESC + vbNewLine
displayString += "Date: " + Date.Today() + vbTab.ToString() + "Time: "
displayString += DateAndTime.Now().ToLongTimeString() + ESC
displayString += ESC + vbNewLine

displayString += "Cashier: " + CStr(GlobalUserName) + vbTab.ToString()
displayString += vbNewLine
displayString += "Customer: " + strCustomer
displayString += vbNewLine
displayString += "Memo: " + strMemo
displayString += vbNewLine
displayString += "---------------------------------------"
displayString += vbNewLine
displayString += ESC + "# " + "Item" + vbTab.ToString() + "Rate" + vbTab.ToString() + "Qty" + vbTab.ToString() + "Total" + vbTab.ToString() + "Desc."
displayString += vbNewLine
displayString += "---------------------------------------"
displayString += vbNewLine

Dim dblGrossTot As Double
Dim dblDiscount As Double
Dim dblNetTotal As Double
Dim dblPaid As Double
Dim dblBalRetuned As Double

'Iterate loop for each row of the Data Set.

dblDiscount = dt.Rows(0)("LineDiscount")
dblNetTotal = dt.Rows(0)("TranValue")
dblPaid = dt.Rows(0)("Paid")
dblBalRetuned = dt.Rows(0)("BalanceReturned")
If dt.Rows.Count > 0 Then
Dim k As Integer
Dim n As Integer
k = dt.Rows.Count - 1
n = 1
Do While Not k < 0

Dim strItemCode As String
Dim strItemName As String
Dim dblRate As Double
Dim dblQty As Double
Dim dblLineTotal As Double

strItemCode = dt.Rows(k)("ItemNumber")
strItemName = dt.Rows(k)("Description")
dblRate = FormatNumber(dt.Rows(k)("RegPrice"), 2)
dblQty = -dt.Rows(k)("Qty")
dblLineTotal = dblQty * dblRate
dblGrossTot = dblGrossTot + dblLineTotal

displayString += ESC4 + n.ToString + " "
displayString += strItemCode + " "
displayString += FormatNumber(dblRate.ToString, 2) + " " + dblQty.ToString + vbTab.ToString() + vbTab.ToString() + FormatNumber(dblLineTotal.ToString, 2)
displayString += ESC + vbNewLine
displayString += ESC + strItemName + vbTab.ToString()
displayString += ESC + vbNewLine
k = k - 1
n = n + 1
Loop
displayString += "---------------------------------------"
displayString += vbNewLine
displayString += ESC4 + "GROSS TOTAL :" + vbTab.ToString() + vbTab.ToString() + FormatNumber(dblGrossTot.ToString, 2)
displayString += vbNewLine
displayString += ESC4 + "DISCOUNT :" + vbTab.ToString() + vbTab.ToString() + FormatNumber(-dblDiscount.ToString, 2)
displayString += vbNewLine
displayString += ESC4 + "NET TOTAL :" + vbTab.ToString() + vbTab.ToString() + FormatNumber(dblNetTotal.ToString, 2)
displayString += vbNewLine
displayString += "---------------------------------------"
displayString += vbNewLine
displayString += ESC4 + "PAID :" + vbTab.ToString() + vbTab.ToString() + FormatNumber(dblPaid.ToString, 2)
displayString += vbNewLine
displayString += ESC4 + "BAL. RETUNED :" + vbTab.ToString() + vbTab.ToString() + FormatNumber(dblBalRetuned.ToString, 2)
displayString += vbNewLine
displayString += vbNewLine
displayString += ESC1 + "Thank You for shopping"
displayString += vbNewLine
displayString += vbNewLine
displayString += vbNewLine
displayString += vbNewLine
displayString += vbNewLine
displayString += vbNewLine
displayString += vbNewLine
displayString += vbNewLine

ADRport.Open()
ADRport.Write(displayString)
ADRport.Close()
End If

Catch ex As Exception

MsgBox(ex.ToString())

End Try

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