qr code c# mvc Key Terms in C#.NET

Make QR-Code in C#.NET Key Terms

Key Terms
QR-Code Creation In C#
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Quick Response Code Recognizer In Visual C#.NET
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Do you know what these key terms mean You can check your answers by looking up the terms in the glossary at the end of the book.
Bar Code Creation In C#
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Reading Barcode In Visual C#.NET
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code page regular expression Unicode
Paint QR-Code In .NET
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Generate Denso QR Bar Code In .NET Framework
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Case Scenarios
QR Generator In VB.NET
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In the following case scenarios, you will apply what you ve learned about how to validate input using regular expressions and how to process text files with different encoding types. You can find answers to these questions in the Answers section at the end of this book.
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Code 128 Code Set B Maker In C#
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3 Review
Creating 2D Barcode In Visual C#.NET
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USS ITF 2/5 Maker In C#.NET
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Case Scenario 1: Validating Input
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Barcode Recognizer In VB.NET
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Your organization, Northwind Traders, is creating a Web-based application to allow customers to enter their own contact information into your database. As a new employee, you are assigned a simple task: create the front-end interface and prepare the user input to be stored in a database. You begin by interviewing several company personnel and reviewing the technical requirements.
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EAN 128 Generation In Java
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Interviews
UPC-A Supplement 2 Generator In None
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PDF 417 Drawer In Java
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Following is a list of company personnel interviewed and their statements:
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PDF-417 2d Barcode Creator In None
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IT Manager This is your first assignment, so I m starting you out easy. Slap
together a Web page that takes user input. That should take you, what, five minutes
Database Developer Just drop the input into strings named companyName , contactName , and phoneNumber . It s going into a SQL back-end database, but I ll write that code after you re done. Oh, the companyName can t be longer than 40 characters, contactName is limited to 30 characters, and phoneNumber is limited to 24 characters.
This is not as easy an assignment as it seems. This page is going to be available to the unwashed public on the Internet, and there are lots of black hats out there. We ve gotten some negative attention in the press recently for our international trade practices. Specifically, we ve irritated a couple of groups with close ties to hacker organizations. Just do your best to clean up the input, because you re going to see some malicious junk thrown at you.
Chief Security Officer
Technical Requirements
Create an ASP.NET application that accepts the following pieces of information from users and validates it rigorously:
Company name Contact name Phone number
Questions
Answer the following questions for your manager: 1. How can you constrain the input before you write any code 2. How can you further constrain the input by writing code
3 Review
Case Scenario 2: Processing Data from a Legacy Computer
You are an application developer working for Humongous Insurance. Recently, management decided to begin the process of migrating from a legacy system (nicknamed Mainframe ) to custom-built .NET Framework applications. As part of the kickoff meeting for the migration project, your manager asks you questions about how you will handle various challenges.
Questions
Answer the following questions for your manager: 1. Mainframe stores its data in a database; however, the raw data itself isn t accessible to us unless we can find a programmer who knows how to write code for that system. We can output the data we need in text-based reports, however. Is it possible to parse the text reports to extract just the data, without the labels and formatting How would you do that, and which classes and methods would you use 2. Mainframe s reports are in ASCII format. Can you handle that ASCII If so, how
Suggested Practices
To help you successfully master the exam objectives presented in this chapter, complete the following tasks.
Enhance the Text Handling Capabilities of a .NET Framework Application, and Search, Modify, and Control Text Within a .NET Framework Application by Using Regular Expressions
For this task, you should complete at least Practices 1 through 4. If you want a better understanding of how to specify encoding types, complete Practice 5 as well.
Practice 1 Write a console application that reads your C:\boot.ini file and dis-
plays just the timeout.
Practice 2 Write a console application that processes your %windir%\Windows-
Update.log file and displays the time, date, and exit code for any rows that list an exit code.
Practice 3 Write a Windows Forms application that accepts a name, address,
and phone number from a user. Add a Submit button that uses regular expressions to validate the input.
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