how to overload Tostring method to take 3 arguments!

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below mentioned code is of a single dimensional array code

C#

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace array_demo
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            //int[] arr = new int []{ 1, 2, 3, 4 };
            //int[] arr = { 1, 2, 3, 4 };
            int[] arr = new int[3];
            arr[0] = (5);
            arr[1]=arr[0]*2;
            arr[2]=arr[1]*2;

            textBox1.Text = Convert.ToString(arr[0],arr[1],arr[2]);
            
        }
    }
}

now here if i am giving only a single arr value i.e. if type

textbox1.text=convert.tostring(arr[0]);

the above lime displays me an out put as 5 in textbox. now if i try to put in 2 more arguments for ToString it obviously throws an error ' No overload for method "ToString" takes 3 arguments.

Now is it advisable to overload Tostring to accomidate n number of arguments or any specific method(leaving for lop etc)

Posted 15-Apr-12 20:33pm

mpvkrishnadhar

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mpvkrishnadhar 16-Apr-12 2:34am

sorry for the typos!

2 solutions

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Roliking · Accepted Answer · 2012-04-15T20:40:00

Solution 1

you can concatenate the array values and then convert, otherwise tostring accepts only one parameter and that cannot be altered..

you can do something like this

textbox1.text=convert.tostring(arr[0] + arr[1] + arr[2]);

hope this helps..
have a grt day!!

Posted 15-Apr-12 20:40pm

Roliking

Comments

mpvkrishnadhar 16-Apr-12 2:52am

hi bro!

doesn't the statement textbox1.text=convert.tostring(arr[0]+arr[1]+arr[2}); add all the values of the 3 array indexes and gives me a value of 35

Roliking 16-Apr-12 3:11am

or else u can do something like this..

textBox1.Text = arr[0].ToString() + arr[1].ToString() + arr[2].ToString();
this will work perfectly fine!!

mpvkrishnadhar 16-Apr-12 3:15am

perfect bro! got the solution! thanks a lot!

CRDave1988 · Accepted Answer · 2012-04-15T20:41:00

I suggest go for a new method something like this:

C#

public string toString(int[] x)
    {
        string r = "";
        foreach (int i in x)
        {
            r = r + "," + i.ToString();
        }
        return r;
    }

modify

C#

r = r + "," + i.ToString();

according to ur output

I don't suggest overload because this is very long way for u to do a small task.

I hope this will help u.