Variables in a loop

Question

I was wondering whether there\'s a way in a \"for\" loop to assign a value to a string variable named according to its index number?

let\'s say I have 3 string varia

Answer 1

You can't do that (well, not sanely). Have you considered using an array of strings instead?

Answer 2

Usually instead of having N differents variables named 1, 2, ..., N the way is to store them in an array:

string message[3];
message[0] = null;
message[1] = null;
message[2] = null; 

and then the loop:

for (int i = 0; i <=2; i++)  
{  
   message[i] = "blabla" + i.ToString();  
}  

Note that, usually again, a set of indexed variables starts with value 0 ;)

Answer 3

I think you should use an array for this kind of variables.

string[] message = new string[3];
for (int i = 1; i <=3; i++)
{
     message[i] = "blabla" + i.ToString();
}

Answer 4

You can also do it without the index:

    string[] Messages = { "Tom", "Dick", "Harry" };

    foreach (String Message in Messages)
    {
        Response.Write("Hello " + Message + "<br />");
    }

Answer 5

can you use an array? or list type?

string[] messages = new string[3];
for (int i = 1; i <=3; i++)
 {
   messages[i] = "blabla" + i.ToString();
 }

Answer 6

You said you don't want to have a switch statement. I realize this does have a switch, but if you must have three different variables, you could encapsulate your switch inside a function call:

string message1 = null;
string message2 = null; 
string message3 = null;

void SetMessage(int i, string value)
{
    if(i == 1)
        message1 = value;
    etc
}

 for (int i = 1; i <=3; i++)
 {
   SetMessage(i, "blabla" + i.ToString());
 }

Not an optimal solution but if you MUST have separate variables it will hide the mess.