Replacing in Strings?

Question

3.00/5 (2 votes)

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Hi
I have declared 3 string arrays

string[] Arr1 = new string[] { "a", "b", "c", "", ""};
string[] Arr2 = new string[] { "", "", "", "1", "2" };
string[] Arr3 = new string[5];

i want the desired output into Arr3 as
"a","1","b","2","c".

Any Help or suggestion would be accepted and appreciated.

Regards,
Pawan.

Posted 23-Sep-10 3:12am

Pawan Kiran

Updated 23-Sep-10 18:35pm

v4

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Comments

Hiren solanki 23-Sep-10 10:20am

is the size of arr1 and arr2 are fixed ?

Yusuf 23-Sep-10 18:47pm

what do you mean by it won't compile? what error do you get?

Pawan Kiran 24-Sep-10 0:12am

Hi Hiren,

The Size of Arr1,Arr2,Arr3 are Same.

Hiren solanki 24-Sep-10 2:56am

see my below answered effort, this may be your solution

Hiren solanki 24-Sep-10 4:55am

you can vote to my answer and mark it as accepted if it helped you.

4 solutions

Solution 1

See here[^] for all the details of the System::String class and its member functions.

Posted 23-Sep-10 4:19am

Richard MacCutchan

Solution 2

Your question is not clear (your example has become to vague).

The answer to your problem could be as simple as referencing Arr1 by the index 0 and referencing Arr2 by index 3 all hard coded.

I assume this is not acceptable though (again you are not being clear enough).

Another solution could be to ToList your arrays and then use Linq to query the non empty strings. Then toggle between your Arr1 and Arr2 filling Arr3.

Posted 23-Sep-10 11:41am

N_tro_P

Comments

Pawan Kiran 24-Sep-10 0:23am

Array size is not static, it is generated at runtime only, so i can't hard code it.

Clear Description about my problem:

I have a panel in that i am Adding 9 Combo box Dynamically, in that 5 Combo's Having Same Values and Other 4 combo's Will have (And,Or) Items in it.
i want to make a string which is a combination of
combo[0].Text + combo[5].Text + combo[1].Text + combo[6].Text +
combo[2].Text + combo[7].Text + combo[3].Text + combo[8].Text +
combo[4].Text

For assumption only i said 9 combo box, it vary's at runtime.

Solution 3

Here is some pseudo-code:

WHILE Array3 NOT FULL
	WHILE Array1 String Empty
		Next String
	END WHILE
	Add String to Array3
	WHILE Array2 String Empty
		Next String
	END WHILE
	Add String to Array3
END WHILE

Posted 23-Sep-10 12:02pm

AspDotNetDev

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Hiren solanki · Accepted Answer · 2010-09-23T20:53:00

Hi Pawan,

Here is my effort of 1 hour.
I tried my best to accomplish to your tricky problem.

Here is my code,

C#

int arr1Counter = -1;
            int arr2Counter = -1;
            for (int i = 0; i < Arr3.Length; i = i + 2)
            {
                arr1Counter++;
                arr2Counter++;
                if (arr1Counter < 5)
                {
                    while (Arr1[arr1Counter].ToString() == String.Empty)
                    {
                        arr1Counter++;
                    }
                }
                Arr3[i] = Arr1[arr1Counter];
                if (arr2Counter < 5)
                {
                    while (Arr2[arr2Counter].ToString() == String.Empty)
                    {
                        arr2Counter++;
                    }
                }
                if (i < 4)
                    Arr3[i + 1] = Arr2[arr2Counter];
            }

Please vote and Mark as Answer if Helped.