关于 .net:exception while execution a program a c# program

exception while executing a program a c# program

我有一个 .net 程序。当我执行该程序时出现此异常。该程序应该与财务打印机通信。

Retrieving the COM class factory for component with CLSID
{741F1E1B-0D59-4F59-A775-3E1B13721638} failed due to the following
error: 80040154 Class not registered (Exception from HRESULT:
0x80040154 (REGDB_E_CLASSNOTREG)).

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using FiscPrinter = FiscPrnSys.IFiscPrnIface;
using System.Runtime.InteropServices;
public class Class1
{
public List<String> salesITems = new List<String>();
public String user;
public String shop;
public double total;
public double subtotal;
public String tax;
public short data = (short) 8;
public short parity = (short)0;
public short stopbit = (short)1;

public void PrintBon()
{
FiscPrnSys.IFiscPrnIface FiscPrinter = new FiscPrnSys.FiscPrnIface(); (this where the program is bringing this exemption)
FiscPrinter.Connect(“COM2”, 9600, data, parity, stopbit);
FiscPrinter.TestPrinter((short)48,”1,0,1″,”HELLO”);
FiscPrinter.Sale(“TEST ITEM 1″,”A”, 2, 2, 0);
FiscPrinter.Sale(“TEST ITEM 1″,”A”, 2, 2, 0);
FiscPrinter.Sale(“TEST STOCK ITEMS ZERO VAT”,”B”, 2, 2, 0);
FiscPrinter.Sale(“Cooking Fat Always Ultra”,”B”, 2, 2, 0);
FiscPrinter.PrintFiscalText(“TEST STOCK ITEMS VATABLE”);
FiscPrinter.Sale(“001000124″,”A”, 2, 2, 0);
FiscPrinter.PrintFiscalText(“Kimbo 1 Kg”);
FiscPrinter.Sale(“598699484″,”A”, 5, 5, 0);
FiscPrinter.PrintFiscalText(“Tily Cooking Fat”);
FiscPrinter.Sale(“484949404″,”A”, 2, 2, 0);
FiscPrinter.Sale(“Always ULtra”,”A”, 10, 2, 0);
FiscPrinter.Disconnect();
}
public void setUser(String user)
{
this.user = user;
}
public void setShop(String shop)
{
this.shop = shop;
}
public void addSaleItem(String item)
{
salesITems.Add(item);
}
public void setDouble(double pTotal)
{
this.total = pTotal;
}
public void setSubTotal(double sTotal)
{
this.subtotal = sTotal;
}
public void setTax(String pTax)
{
this.tax = pTax;
}
}

这个类被另一个类调用，它是

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using IncortexLibrary;

class Program
{
static void Main(string[] args)
{
Class1 printer = new Class1();
printer.PrintBon();
}
}

输出：

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Unhandled Exception: System.Runtime.InteropServices.COMException: Retrieving the
COM class factory for component with CLSID {741F1E1B-0D59-4F59-A775-3E1B1372163
8} failed due to the following error: 80040154 Class not registered (Exception f
rom HRESULT: 0x80040154 (REGDB_E_CLASSNOTREG)).
at System.RuntimeTypeHandle.CreateInstance(RuntimeType type, Boolean publicOn
ly, Boolean noCheck, Boolean& canBeCached, RuntimeMethodHandleInternal& ctor, Bo
olean& bNeedSecurityCheck)
at System.RuntimeType.CreateInstanceSlow(Boolean publicOnly, Boolean skipChec
kThis, Boolean fillCache)
at System.RuntimeType.CreateInstanceDefaultCtor(Boolean publicOnly, Boolean s
kipVisibilityChecks, Boolean skipCheckThis, Boolean fillCache)
at System.Activator.CreateInstance(Type type, Boolean nonPublic)
at System.Activator.CreateInstance(Type type)
at IncortexLibrary.Class1.PrintBon() in C:\\Documents and Settings\\woodley-who
lesalers\\My Documents\\bst project\\Projects\\IncortexLibrary\\IncortexLibrary\\Class
1.cs:line 29
at ConsoleApp.Program.Main(String[] args) in C:\\Documents and Settings\\woodle
y-wholesalers\\My Documents\\bst project\\Projects\\ConsoleApp\\ConsoleApp\\Program.cs
:line 15

这让人头疼。我已经在 system32 中注册了文件 .dll 文件，但它仍然给我带来了问题。这是否意味着我以错误的方式初始化程序。打印机显示为空。请帮助因为我试图浏览网络但没有得到解决方案