problem in storeing highscore in xna gaming...:(

The probability of Convert.ToInt32 containing a bug is zero so you must be missing something somewhere. 

Is that number being entered in a text box and, if it is, are you performing any manipulations on it before Convert.ToInt32 is being called?

if (plane_.score > Convert.ToInt32(texthscore1[i]) && i == j)
{
texthscore2[i] = plane_.score.ToString();
i++;
if (i < maxhscore)
{
texthscore2[i] = texthscore1[j];
}

sir here the portion of game in which texthscore is string in plane.score is intiger....


I can only think that sometimes 'string' can be parsed to an integer (e.g. "123", "4567") and sometimes it can't (e.g. "12ab", "1,234").

as per this pera ...i cannot understnd that im only convert initiger value of score 123455 like..then how can it generate 12ass5......

n sir isn't posible to always convert corectly  string to int.... confused,,,,blablblablaaba

I can only think that sometimes 'string' can be parsed to an integer (e.g. "123", "4567") and sometimes it can't (e.g. "12ab", "1,234").

If you can't be sure what 'string' will contain, you could use this code instead:

string s = "12ab"; // or whatever
int i;
bool isValid = int.TryParse(s, out i);
if (isValid)
{
    // do something with 'i'
}
else
{
   // issue error message perhaps or, alternatively, proceed with i = 0
}

Notice that if the string can be parsed to an integer, int.TryParse returns true and the result is placed in the out paramater  'i'.

If it can't be parsed to an integer, int.TryParse returns false and a result of 0 is placed in the out parameter.

sir ,i done this last night...finaly i remove this error..im so happy,,:D
i use IsolatedStorageFile instead of filestream...hurrry bt now one anoter  problem is occuring..

that is....'System.FormatException'
in this typ of line in my code
int=convert.toint32(string);

...bt this error occure not always...

what should i do knw

It's a difficult error to diagnose :(

Can you post the exact error message and are you able to pinpoint on which line it's occurring?

YES SIR ITS WINDOWS PHONE APP......N STILL IM HOPELESS.....:(


I THINK THERE IS ANY PROBLEM IN THE PROPERTIES OF TXT FILE AND PROJECT..COZ OF THIS ACCESS PROBLEM IS OCCURE.....

The code looks fine to me but, if it's a Windows Phone app and the error is occurring when you try to use StreamReader, I'd check this thread which offers a workaround even if the reason for the error remains obscure:

http://stackoverflow.com/questions/20534714/methodaccessexception-for-streamreader-in-xna-windows-phone-app

here the code...there is none syntex error......

FileStream fileread;
FileStream filewrite;
StreamReader scoreread;
StreamWriter scorewitte;
public void gethighscxore()
{


Boolean boolwork = true;

// create fo
fileread = new FileStream("ok.txt", FileMode.Open, FileAccess.Read);

scoreread = new StreamReader(fileread);

for (int i = 0; i < maxhscore; i++)
{
texthscore1[i] = scoreread.ReadLine();

if (texthscore1[i] == null)
{
texthscore1[i] = "0";
}



}

scoreread.Close();
fileread.Close();





if (boolwork)
{
int j = 0;

for (int i = 0; i < maxhscore; i++)
{
if (plane_.score > Convert.ToInt32(texthscore1[i]) && i == j)
{
texthscore2[i] = plane_.score.ToString();
i++;
if (i < maxhscore)
{
texthscore2[i] = texthscore1[j];
}


}
else
{
texthscore2[i] = texthscore1[j];
}
j++;
}

}
filewrite = new FileStream("ok.txt", FileMode.Create, FileAccess.Write);

scorewitte = new StreamWriter(filewrite);

for (int i = 0; i < maxhscore; i++)
{
scorewitte.WriteLine(texthscore2[i]);

}
scorewitte.Close();
filewrite.Close();
}



sir this is the proper code..this couch exception error,,,

System.MethodAccessException

i think ther is any problem in fileaccesing...
pls help me how can i resolve it

If that's an exact copy of your actual code, then the only problem I can find is that your for statements will never end as they have just 'i' rather than i++ in the iterator part.