C# Make every letter have a Space behind it

Question

I have written a code that should write a Space after every Character. But it dont looks like it is working.

foreach (char c in texttoencodedecode.Text)
{
    c += " ";
    texttoencodedecode.Text += c
}

Sadly this isnt working. The c += " "; outputs a Error. Hope you can help me Cheers.

Answer 1

The char c is a single character (and it is something that is fixed, you can't have a zero-length char , you can't have a two-length char ), so you can't "add" to it. You can't even modify the variable you are doing the foreach on (so you can't modify texttoencodedecode.Text ), you'll get an Exception at runtime. The solution is to write to a new temporary variable, temp and then reassign texttoencodedecode.Text with temp

string temp = string.Empty;

foreach (char c in texttoencodedecode.Text)
{
    temp += c;
    temp += " ";
}

texttoencodedecode.Text = temp;

Now... Normally you should use a StringBuilder for this, because "appending" many times to a string is "bad" ( string s aren't built for it):

var sb = new StringBuilder();

foreach (char c in texttoencodedecode.Text)
{
    sb.Append(c);
    sb.Append(' ');
}

texttoencodedecode.Text = sb.ToString();

Answer 2

A char can only contain a single character, so attempting to append another character to it will result in an error, unless you convert it to a string.

foreach (char c in texttoencodedecode.Text)
{
    string s = c + " ";
    texttoencodedecode.Text += s;
}

Or

foreach (char c in texttoencodedecode.Text)
{
    texttoencodedecode.Text += (c + ' ');
}

If you want to be clever though you can use linq:

texttoencode.Text = new string( texttoencode.Text.SelectMany( c => new char[] { c, ' '}).ToArray());

This avoids the continuous reallocations of strings.

Answer 3

I, guess you are wanting this,

Input: Hello

output: H ello

Here, c is a character. You are adding space(" ") with c which is not possible.

You can try this way(hint):

Take a empty string(temp)

foreach (char c in texttoencodedecode.Text) {

Add c with temp
Add space with temp

}

Assign texttoencodedecode.Text = temp