如何在窗口申请C＃中准备学费收据 [英] How to prepare school fee receipt in window application C#

问题描述

我在记事本（.txt）中准备了下面给出的收据设计

I have prepared receipt design given below in Notepad(.txt)

School Name
   School Address
-----------------------------------------------
Receipt No: 66666           Date: 28/1/2017
Name:Sandeep kumar singh    Class X-A 
F. Name :Mahendra singh Month :February 
------------------------------------------------
Particular   Payable       Paid
------------------------------------------------
Tution Fee    500          500
Transport     700          700
Exam Fee      100          100
------------------------------------------------
Total         1300         1300
------------------------------------------------
Dues:0       
       
                              Signature
-------------------------------------------------

但我想更新收据详细信息，如学生详细信息，学校名称，地址等。在记事本的时候学生存入他们的费用，然后必须打印他们的详细信息。



我尝试了什么：

But I want to Update Receipt detail like Student detail,School Name,address Etc.in notepad when student deposit their fee,then their detail must be printed.

What I have tried:

private void btn_print_Click(object sender, EventArgs e)
        {
             
            try
            {
                streamToPrint = new StreamReader("D:\\ZDXC.txt");
                try
                {
                    printFont = new Font("Verdana", 10);
                    PrintDocument pd = new PrintDocument();
                    pd.PrintPage += new PrintPageEventHandler
                       (this.printDocument1_PrintPage);
                    pd.Print();
                }
                finally
                {
                    streamToPrint.Close();
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }
   
        private void printDocument1_PrintPage(object sender, PrintPageEventArgs ev)
        {
            float linesPerPage = 0;
            float yPos = 0;
            int count = 0;
            float leftMargin = ev.MarginBounds.Left;
            float topMargin = ev.MarginBounds.Top;
            string line = null;

            // Calculate the number of lines per page.
            linesPerPage = ev.MarginBounds.Height /
               printFont.GetHeight(ev.Graphics);

            // Print each line of the file.
            while (count < linesPerPage &&
               ((line = streamToPrint.ReadLine()) != null))
            {
                yPos = topMargin + (count * printFont.GetHeight(ev.Graphics));
                ev.Graphics.DrawString(line, printFont, Brushes.Black,
                   leftMargin, yPos, new StringFormat());
                count++;
            }

            // If more lines exist, print another page.
            if (line != null)
                ev.HasMorePages = true;
            else
                ev.HasMorePages = false;
        }

推荐答案

将记事本文件转换为模板，其中字段分隔符需要替换数据：< br $>

Convert your Notepad file to a template, with "field delimiters" where you need to replace data:

{SchoolName}
   {SchoolAddress}
-----------------------------------------------
Receipt No: {RecNo}           Date: {Date}
Name: {StudName}    Class {StudClass}
F. Name : {FName} Month : {Month}
------------------------------------------------
Particular   Payable       Paid
------------------------------------------------
Tution Fee    {TFDue}      {TFPaid}
Transport     {TRDue}      {TrPaid}
Exam Fee      {EFDue}      {EFPaid}
------------------------------------------------
Total         {TotDue}     {TotPaid}
------------------------------------------------
Dues: {Dues}       
       
                              Signature

-------------------------------------------------

那么你可以只需使用string.Replace来填空：

Then you can just use string.Replace to "fill in the blanks":

string receipt = template.Replace("{SchoolName}", "Myschool");
receipt = receipt.Replace("{SchoolAddress}", "TheBigBuildingFullOfStudents, This Road, That town");
receipt = receipt.Replace("{RecNo}", (receiptNo++).ToString());
receipt = receipt.Replace("{Date}", DateTime.Now.ToShortDateString());
...

试一试 - 你会明白我的意思！

Give it a try - you'll see what I mean!

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