C#

abbd wrote:

So the line witch write deleted on every execution of my program, how i can add a lines?

//This should open the file (if it exists) and then seek to the end if the file.
//You should check out the other options for FileMode as well
FileStream fs = new FileStream(path + ":\\Batch_BDD_PROD\\nb\\TXT.txt", FileMode.Append);
StreamWriter monStreamWriter = new StreamWriter(fs);

try
{
monStreamWriter.WriteLine("Ma toute2 première ligne ..."); 
}
finally
{
monStreamWriter.Close();
}

Nafiseh Salmani wrote:

WebResponse ResponseObject = WebRequestObject.GetResponse();

HttpWebResponse responseObject = (HttpWebResponse)WebRequestObject.GetResponse();

Henry Minute wrote:

Read the documentation!! here[^]

try
{
    // code that may throw an exception
}
catch(Exception ex)
{
   // an exception is now in ex so you can examine this to get details,
   // show detailed MessageBox etc...
}
finally
{
   // this will run regardless of whether an exception was thrown or not.
   // useful to close/dispose of objects etc...
}