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Frequently Asked Questions

How do I make a TextBox use all upper-case (or lower-case) characters?

TextBox - Windows Forms FAQs
Use the CharacterCasing property of the TextBox. textBox1.CharacterCasing = CharacterCasing.Upper; textBox2.CharacterCasing = CharacterCasing.Lower; Contributed from George Shepherd's Windows Forms FAQ
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What about upper and lower case characters, spaces, underlines, or punctuation in a Domain Name?

Business Registration Questions
For Domain Names, the computer does not differentiate between upper and lower case characters, so most names appear in all lower case; however, you can register your name in all upper case or a combination of both. Spaces, commas, and periods cannot be used. Underlines can be used instead of spaces but they are often confused with dashes and should be avoided. No. It is up to your company to assign the names shown to the left of your Domain Name.
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Should I enter the letters of the serial number in UPPER or lower case?

Where's George? ® 2.2 Frequently Asked Questions
This usually happens when people double-click on the submit button, instead of single clicking it. If you just click the button once, it should work fine. Also, there is a known problem with older browsers sending your bill submission twice, instead of once. You are seeing the result of the second entry (which fails because your first entry was already processed, but you didn't see the result).
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Should I use lower case or upper case for tags?

Web Authoring FAQ (WDG)
Tags are case insensitive, so it doesn't matter. This is just a matter of style. (You may have noticed that this FAQ is not absolutely consistent in capitalization.) Many people prefer upper case, as it makes the tags "stand out" better amongst the text. Attribute names can also be upper or lower case, as you prefer. But some attribute values are case sensitive. For example, <OL TYPE=A> and <OL type=A> are the same, but <OL TYPE=a> is different from both of them.
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Web Authoring FAQ (Web Design Group)
In HTML, element and attribute names in tags are case insensitive, so it doesn't matter. The choice is just a matter of style and personal preference. (You may have noticed that this FAQ is not absolutely consistent in capitalization.) Many people prefer upper case, which makes the tags "stand out" more amongst the text, and makes it easier to find element or attribute names using an editor's search function.
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The WDG's Web Authoring FAQ
Tags are case insensitive, so it doesn't matter. This is just a matter of style. (You may have noticed that this FAQ is not absolutely consistent in capitalization.) Many people prefer upper case, as it makes the tags "stand out" better amongst the text. Attribute names can also be upper or lower case, as you prefer. But some attribute values are case sensitive. For example, <OL TYPE=A> and <OL type=A> are the same, but <OL TYPE=a> is different from both of them.
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Q – Can I use both upper and lower case letters in my ECF password?

United States District Court - District of Maine
A – Yes, the ECF authentication system is case sensitive thereby allowing for mixed case passwords.
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Does it matter if I use upper or lower case?

Carling.com - Frequently Asked Questions - Get A Result Prom...
No you can use either case, just ensure you are entering using the correct format. IE/ 8 character code
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Can I have my upper (or lower) teeth treated?

Oakland Dental Care - General and Cosmetic Dentistry - FAQ -...
Yes, but due to the fact that the set-up time required for treating all of you teeth is the same as it is to only treat your upper (or lower) teeth, the fee is still the same.
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What case should I program in, upper or lower?

FAQ for TSO/REXX
Readability can be improved by writing Rexx as if it were a human language and not as if it were JCL or assembly code. Avoid having the entire program in upper case, this is known as shouting and does nothing to help readability. It is common to write commands addressed to external environments in upper case, and to use mixed case for Rexx commands and symbols. If a call returns a value that is not a return code, it may be better to call it as a function rather than a procedure.
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Are Upper and Lower Case Letters Different?

USTINET Whois, Domain Name Check
No. There is no distinction between the cases. It does not matter whether you write ?McDonalds? or ?mcdonalds?. Usually the case is chosen for best reading results. Note, however, that on Unix systems, file and authentication case distinction is usually a default, so, index.html and Index.html can be two separate files.
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How do i change the case of text from lower to UPPER?

sed advanced Usage
times it is convenient to have the ability to transform select lowercase areas into UPPER CASE characters for emphasis or make up your reasons and justify them later;-) where might this be a handy ability? Say that you were reading email and notices that routinely you would like to receive in CAPS certain Subject matter for your attention.
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How do I convert a string to all upper or lower case?

Library Functions
Some libraries have routines strupr and strlwr or strupper and strlower, but these are not Standard or portable. It's a straightforward exercise to write upper/lower-case functions in terms of the toupper and tolower macros in <ctype.h>; see also question 13.5. (The only tricky part is that the function will either have to modify the string in-place or deal with the problem of returning a new string; see question 7.5a.
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How do restrict the characters that a TextBox will accept?

TextBox - Windows Forms FAQs
You can handle the textbox's KeyPress event and if the char passed in is not acceptable, mark the events argument as showing the character has been handled. Below is a derived TextBox that only accepts digits (and control characters such as backspace... You can do this by deriving the TextBox, overriding the WndProc method and ignoring these mouse down messages.
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Can I use upper case letters?

The ePostman
The ePostman's mail server allows upper case letters but does not distinguish these from the lower case equivalent. Therefore the variations below are valid but will be sent to the same email address It is not advisable to use uppercase letters in the domain name (domainname.co.uk after the @) as various email relay servers on the internet reject upper case in domain names. The ePostman will convert all email names entered to lower case during registration. You can then choose what to use.
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Should I use all capital letters for my sign? Or, should I use upper and lower case letters?

Safety Signs - Frequently Asked Questions
In most cases, we recommend caps or a bolder font for the headline. But, try to use umixed case letters for the rest of the sign. If the sign has a great deal of text, type your legend as it would be seen in a book or article. Too many capital letters becomes confusing. Note that we read phrases or groups of letters at a time. You read clumps of letters, together, as one shape.
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How do I make the completion list use eight bit characters?

Z-Shell Frequently-Asked Questions
If you are sure your terminal handles this, the easiest way from versions 3.0.6 and 3.1 of the shell is to set the option PRINT_EIGHT_BIT. In principle, this will work automatically if your computer uses the 'locale' system and your locale variables are set properly, as zsh understands this. However, it is quite complicated, so if it isn't already set up, trying the option is a lot easier.
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Can I have my tags imprinted with UPPER CASE and lower case letters?

Authentic Military Dog Tags - FAQs
We only imprint using UPPER CASE letters. Our imprinting is identical to the case and style letters used by the military.
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And what kind of pretentious twit writes in all lower case or UPPER CASE?

Just the FAQS, ma'am...
What I will do, though, for those I take sympathy on, is post their requests on my Help Page and perhaps on Rude Wit and Raucous Laughter, our newsletter. Maybe some of my readers will take pity on your wretched souls. Sorry, about this, but I hope you'll under-stand. You might also read the Introduction to this site. It couldn't hurt. In fact, a good percentage of queries I receive could be answered if people would just READ CAREFULLY.
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Why wouldn???t I always want to analyze with upper, lower, numeric, and special characters?

FAQ Builder
OCR.Net Component interprets between case and numbers, but many characters are very similar such as the letters "o" and "O" and the number "0". If you know your document contains only upper case for example, then selecting only uppercase will streamline the interpretation for the OCR component and provide better accuracy.
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Is there an upper or lower age limit for treatment?

Lasik laser eye surgery from Ultralase: Frequently asked que...
Peoples' prescriptions have usually stabilised by the age of 21 when the eye has completed its normal growth. However, we can treat from the age of 18, provided that the eyesight prescription has been stable for a minimum of 2 years. There is no upper age limit. However, please see the information about cataracts.
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How do I handle user names with upper-case characters?

General Sendmail Issues - FAQ - sendmail.org
You really shouldn't, because upper case characters in user names are contrary to the Unix tradition. If you do, then e-mail addresses will be case sensitive, so that mail to <USER@your.host> will bounce instead of being delivered to <user@your.host>. As this is contrary to the expectations of many, it is not recommended. But if you insist on doing so anyway, and you have version 8.10, put the following in your .mc file: MODIFY_MAILER_FLAGS('LOCAL', '+u')dnl If you don't have 8.
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How Do I Generate Text with Upper and Lower Case Script?

Frequently Asked Questions
CALIBRATION ANALYSIS (all caps). Why did this happen and how can I fix it? I have similar questions regarding automatic capitalization for plot labels, plot tic labels, plot legends, general text strings, etc. The case of output strings is controlled by various forms of the CASE command. The default is UPPER which means the default output case for titles, labels, tic labels, legends, text, etc.
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Does it matter if I enter my password in upper and lower case?

WVI - Support: General - Frequently Asked Questions (FAQ)
Yes it does! Passwords are case sensitive and your attempt at connecting to WVI will fail if you don't input your password correctly. Always check and make sure that your Caps Lock key is not on.
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Why can't I have REALTOR? in italics or upper and lower case?

Starburst Enterprises - Quality metal namebadges - Trust Sta...
The National Association of Realtors has directed us to use all caps and upright with the ? behind the word.
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Can I use Capital and Lower case letters?

Traffic Talk Frequently Asked Questions
For better visibility, we use all capital letters, unless you specifically mention in the comments of your order that you'd like upper and lower.
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When I enter data some upper case letters are converted to lower case and vice versa. Why?

Swiss Perfect FAQ
To make it easier for the user, Swiss Perfect can perform automatic case conversions in selected fields of the player data dialog box. By configuring Options / Tournament / Data Editor appropriately you can activate such a conversion.
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Why does Fundations teach lower case letter formation before upper case letter formation?

Fundations- Wilson Language Basics for K-3
When teaching students to read and write simultaneously, instruction of lower case letters first works best. Fundations presents lower case letters first because lower case letters occur much more often in text than do upper case letters. Lower case letters also ‘pull together visually’ more easily than upper case letters when students are forming words, and, since lower case letters are rounder, they allow for faster writing once the formations are learned.
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