Hello can anyone help me to sort this problem !!!! How do I Concatenate Arraylist With String, Please Help !!

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C#

for (int i = 0; i < StdRegNo.Count; i++)
            {
                string timeLine = StdRegNo[i] + "_Timeline";
            }

Posted 16-Feb-14 21:48pm

Mohammed_Faisal_Majeed

Updated 17-Feb-14 16:55pm

v6

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Mehdi Gholam · Accepted Answer · 2014-02-16T22:10:00

Solution 1

Try this :

C#

...
string timeLine = StdRegNo[i].ToString() + "_Timeline";
...

Posted 16-Feb-14 22:10pm

Mehdi Gholam

Comments

[no name] 17-Feb-14 4:14am

Its not working..

Mehdi Gholam 17-Feb-14 4:19am

What is "not working"?

[no name] 17-Feb-14 4:22am

After concatenating

string timeLine = StdRegNo[i].ToString() + "_Timeline";

i need Output as NA001_Timeline

which i am not getting

Mehdi Gholam 17-Feb-14 4:27am

... and what are you getting?

[no name] 17-Feb-14 4:29am

i am getting just "_Timeline"

Mehdi Gholam 17-Feb-14 4:31am

... then StdRegNo[i] must be a blank string, use the debugger and watch the values inside the array.

[no name] 17-Feb-14 4:33am

inside the arraylist there are 20 values .. i checked it

wmdroshan · Accepted Answer · 2014-02-16T22:12:00

Not clear what the exact output you want.

But,

C#

ArrayList StdRegNo = new ArrayList();
StdRegNo.Add("123");
StdRegNo.Add("456");

for (int i = 0; i < StdRegNo.Count; i++)
{
    string timeLine = StdRegNo[i] + "_Timeline";
}

will give, first, 123_Timeline then 456_Timeline.

Add() takes an object as the parameter. So, be careful what you put there. For your case, this has to be a string or some numeric type.