a problem about string

[Erdinc27]

hi guys...i have a problem about string usage..i want to make capital letters of a text in the textbox after space...for example if textbox is entered like that mert efe i want to write like that Mert Efe..to do that i wrote that codes public string Cevir(string text) { string temizlenmis = null; for (int i = 0; i < text.Length; i++) { if ((i == 0) || (i==text.IndexOf(" ")+1)) temizlenmis += char.ToUpper(text[i]); else temizlenmis += char.ToLower(text[i]); } return temizlenmis; } and it works for two words but if i enter third word it doesnt work as i wished...it works like that if i enter three words like mert efe demir and it gives result Mert Efe demir so what is wrong here ?

[Lost User]

You are searching for the first space every time.. How about (untested)

public string TitleCase(string text)
{
StringBuilder result = new StringBuilder();
bool nextIsCap = true;
for (int i = 0; i < text.Length; i++)
{
if (nextIsCap)
{
result.Append(char.ToUpper(text[i]));
nextIsCap = false;
}
else
result.Append(char.ToLower(text[i]));
if (text[i] == ' ')
nextIsCap = true;
}
return result.ToString();
}

edit: ok that sucked, next try: (also untested)

public static string ToTitleCase(string text)
{
char[] buffer = text.ToCharArray();
bool nextIsCap = true;
for (int i = 0; i < buffer.Length; i++)
{
if (nextIsCap)
buffer[i] = char.ToUpper(buffer[i]);
else
buffer[i] = char.ToLower(buffer[i]);
nextIsCap = buffer[i] == ' ';
}
return new string(buffer);
}

modified on Thursday, January 7, 2010 8:41 AM

[Erdinc27]

thanks man first one gives the result as i wished..but i didnt get the point what was my mistake

[Ben Fair]

You should use the method supplied by the .NET Framework called TextInfo.ToTitleCase(); it's in the System.Globalization namespace, the easiest way to acquire the TextInfo object is to retrieve it from the CurrentCulture like so:

System.Globalization.CultureInfo.CurrentCulture.TextInfo.ToTitleCase("mert efe");

MSDN Reference: http://msdn.microsoft.com/en-us/library/system.globalization.textinfo.totitlecase.aspx[^]

Hold on a second here... Don't you think you might be putting the horse ahead of the cart?

[Lost User]

How about the second one, it should give the same result (right?) Your mistake is that you search for the first space, you could fix it be adding ,i (yes that's all) to the call to IndexOf - but then it will still suck and I really recommend my second version (or the build-in function)

[Erdinc27]

no man the second one didnt give the same result..it doesnt make capital first letter of first word...and where should i add the "i" ?? i used like if ((i == 0) || (i == text.IndexOf[i](" ")+ 1)) and if ((i == 0) || (i == text.IndexOf(" ")[i]+ 1)) but it given error

modified on Thursday, January 7, 2010 9:27 AM

[Erdinc27]

hii Ben thanks for you reply..i tried the method u suggested it is really good method..but i want to ask one more question about it...for example we have capital i like "İ" in turkish but it writes like I when it makes it capital..i think it is because of TextInfo myTI = new CultureInfo("en-US",false).TextInfo; so how i can use turkish characters instead of english ?

[Lost User]

if ((i == 0) || (i == text.IndexOf(" "**, i**)+ 1)) Well I said ,i, not [i]

[Lost User]

I tested my second function, it works fine edit: to be fair, when I first posted it it had a bug that made the first letter lower case, it was just that it said bool nextIsCap = false which obviously should have been true (but hey that's no reason to just forget about that function, it's a very simple fix and I fixed it the next minute or so)

[Erdinc27]

thanks man i am really appreciated because of your help.. take care and thanks again but my method doesnt work again even if write "i" as u said :(

[Lost User]

You're welcome :thumbsup:

[Ben Fair]

erdinc27, You'll need to get the code letters for the Turkish culture, I'm not sure what they are but you should be able to find them rather quickly by searching the 'Net. Once you have those code letters you'll replace the "en-US" code with the Turkish code, then it will operate on the string using the Turkish alphabet.

Hold on a second here... Don't you think you might be putting the horse ahead of the cart?