Hi everyone,

I've been trying to convert from arraylist type to string type, but all my efforts have been in vain. Does anyone know how to this? I have already tried the .ToString(), the type converter, etc. but I always get the same result. Here is my code:

string CheckingString(string s)

{

ArrayList vector = new ArrayList();

string result = s;

for (int i = 0; i < s.Length; i++)

{

char x = System.Char.ToLower(sIdea [i]);

int j = Convert.ToInt32(x);

if ((j >= 47 && j <= 58) || (j >= 65 && j <= 90) || (j >= 97 && j <= 122))

{

vector.Add(x);

}

}

result = vector.ToString().Trim();

return result;

}

results get the value "System.Collections.ArrayList", which is not what I want. I want result to get the value of s modified.

__________________
The OXYGEN
Delivers edgy, intelligent Technology to all...

You can't convert the type ArrayList to a string because an ArrayList is not an Object, it is a Collection( Collection of Objects )- You would have to retrive each string in the ArrayList, like this:

<code>
ArrayList a = new ArrayList();
string str = "";

foreach( string s in a )
{
str = s;
}

return str;

</code>

But you have to realize that this will only work if there is only a single string in the arraylist. If there is more than one string, this will return the last string value in the ArrayList.

__________________
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Stuffs (My Blog)

Thank you for your replies. I finally used this:

<code>

result = System.String.Concat(vector.ToArray());


</code>

First, I convert the arraylist into an array, and then call this system.string which converts it into a string.

__________________
The OXYGEN
Delivers edgy, intelligent Technology to all...

hi....Oxy.....

I was looking for a way to convert an array my self exept non of the ways explained her could help...

So i made my own code:

ArrayList lines = new ArrayList();
foreach (string line in File.ReadAllLines(theDir1))
{
lines.Add(line);
}
foreach (string line in File.ReadAllLines(theDir2))
{
lines.Add(line);
}
foreach (string line in File.ReadAllLines(theDir3))
{
lines.Add(line);
}
File.WriteAllText(theDir4, "");
foreach (string line in lines)
{
temp = line;
temp += "\n";
File.AppendAllText(theDir4, temp);
}

This code fills "array lines" with text from files and then writes the array to file but you could do just about anything with the "string line". I had to transfer the value in "string line" to "string temp" since you would get this error trying to edit line:
Cannot assign to 'line' because it is a 'foreach iteration variable'.

Im no codewiz but i hope it helps ya.


<code>
public string ArrayListToString(System.Collections.ArrayList ar)
{
return ArrayListToString(ar, ',');
}
public string ArrayListToString(System.Collections.ArrayList ar, char delim)
{
return ArrayListToString(ar, delim.ToString());
}
public string ArrayListToString(System.Collections.ArrayList ar, string delim)
{
return string.Join(delim, (string []) ar.ToArray(typeof(string)));
}
</code>