How to change the Title Case of a string to Uppercase in C#?

using System.Globalization;
using System.Threading;
// The below function takes the string and split it using space and change the first character alone to //capital letter
// Input : i love india
// Output: I Love India
public string changeName(string inputname)
{
    string modifiedname = string.Empty;
    string[] names = inputname.Split(' ');
    foreach (string name in names)
    {
            CultureInfo cultureInfo   = Thread.CurrentThread.CurrentCulture;
            TextInfo txtinfo = cultureInfo.TextInfo;
            string temp=txtinfo.ToTitleCase(name);
            modifiedname = string.Concat(temp, " ");
    }
    return modifiedname;
}