public static string UpperFirstLetter(this string source, UpperFirstLetterOptions options)
{
if (source.IsNullOrEmpty(true))
{
return(source);
}
if (options == UpperFirstLetterOptions.UseToTitle)
{
TextInfo myTi = new CultureInfo("en-US", false).TextInfo;
return(myTi.ToTitleCase(source));
}
else
{
char[] delimiterChars = { ' ', ',', '.', ':', '\t' };
var sourceCharArray = source.ToCharArray();
var rtValue = string.Empty;
for (int i = 0; i < sourceCharArray.Length; i++)
{
if (i == 0)
{
sourceCharArray[i] = sourceCharArray[i].ToString().ToUpper()[0];
}
else
{
if (delimiterChars.Contains(sourceCharArray[i - 1]))
{
sourceCharArray[i] = sourceCharArray[i].ToString().ToUpper()[0];
}
else
{
if (options == UpperFirstLetterOptions.UpperWordsFirstLetterLowerOthers)
{
sourceCharArray[i] = sourceCharArray[i].ToString().ToLower()[0];
}
}
}
rtValue = rtValue + sourceCharArray[i];
}
return(rtValue);
}
}
public static string UpperFirstLetter(this string source, UpperFirstLetterOptions options)
{
if(source.IsNullOrEmpty(true))
{
return source;
}
if (options == UpperFirstLetterOptions.UseToTitle)
{
TextInfo myTi = new CultureInfo("en-US", false).TextInfo;
return myTi.ToTitleCase(source);
}
else
{
char[] delimiterChars = {' ', ',', '.', ':', '\t'};
var sourceCharArray = source.ToCharArray();
var rtValue = string.Empty;
for (int i = 0; i < sourceCharArray.Length; i++)
{
if (i == 0)
{
sourceCharArray[i] = sourceCharArray[i].ToString().ToUpper()[0];
}
else
{
if (delimiterChars.Contains(sourceCharArray[i - 1]))
{
sourceCharArray[i] = sourceCharArray[i].ToString().ToUpper()[0];
}
else
{
if (options == UpperFirstLetterOptions.UpperWordsFirstLetterLowerOthers)
{
sourceCharArray[i] = sourceCharArray[i].ToString().ToLower()[0];
}
}
}
rtValue = rtValue + sourceCharArray[i];
}
return rtValue;
}
}
