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How to copy one TXT File from Assets folder to SD / Internal Storage Android C# Xamarin

I am trying to Copy a TXT File in Assets over to the SD Card / Internal Storage.
All examples are in Java, is there anyway this can be done in C#?
Java Code:
final static String TARGET_BASE_PATH = "/sdcard/appname/voices/";
private void copyFilesToSdCard() {
copyFileOrDir(""); // copy all files in assets folder in my project
}
private void copyFileOrDir(String path) {
AssetManager assetManager = this.getAssets();
String assets[] = null;
try {
Log.i("tag", "copyFileOrDir() "+path);
assets = assetManager.list(path);
if (assets.length == 0) {
copyFile(path);
} else {
String fullPath = TARGET_BASE_PATH + path;
Log.i("tag", "path="+fullPath);
File dir = new File(fullPath);
if (!dir.exists() && !path.startsWith("images") && !path.startsWith("sounds") && !path.startsWith("webkit"))
if (!dir.mkdirs())
Log.i("tag", "could not create dir "+fullPath);
for (int i = 0; i < assets.length; ++i) {
String p;
if (path.equals(""))
p = "";
else
p = path + "/";
if (!path.startsWith("images") && !path.startsWith("sounds") && !path.startsWith("webkit"))
copyFileOrDir( p + assets[i]);
}
}
} catch (IOException ex) {
Log.e("tag", "I/O Exception", ex);
}
}
private void copyFile(String filename) {
AssetManager assetManager = this.getAssets();
InputStream in = null;
OutputStream out = null;
String newFileName = null;
try {
Log.i("tag", "copyFile() "+filename);
in = assetManager.open(filename);
if (filename.endsWith(".jpg")) // extension was added to avoid compression on APK file
newFileName = TARGET_BASE_PATH + filename.substring(0, filename.length()-4);
else
newFileName = TARGET_BASE_PATH + filename;
out = new FileOutputStream(newFileName);
byte[] buffer = new byte[1024];
int read;
while ((read = in.read(buffer)) != -1) {
out.write(buffer, 0, read);
}
in.close();
in = null;
out.flush();
out.close();
out = null;
} catch (Exception e) {
Log.e("tag", "Exception in copyFile() of "+newFileName);
Log.e("tag", "Exception in copyFile() "+e.toString());
}
}
How would the above code be done in C#?
Thanks.

A possible solution could look like my method to copy a database from the Assets folder to the device:
public static async Task CopyDatabaseAsync(Activity activity)
{
var dbPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.Personal), "YOUR_DATABASENAME");
if (!File.Exists(dbPath))
{
try
{
using (var dbAssetStream = activity.Assets.Open("YOUR_DATABASENAME"))
using (var dbFileStream = new FileStream(dbPath, FileMode.OpenOrCreate))
{
var buffer = new byte[1024];
int b = buffer.Length;
int length;
while ((length = await dbAssetStream.ReadAsync(buffer, 0, b)) > 0)
{
await dbFileStream.WriteAsync(buffer, 0, length);
}
dbFileStream.Flush();
dbFileStream.Close();
dbAssetStream.Close();
}
}
catch (Exception ex)
{
//Handle exceptions
}
}
}
You can call it in OnCreate with ContinueWith
CopyDatabaseAsync().ContinueWith(t =>
{
if (t.Status != TaskStatus.RanToCompletion)
return;
//your code here
});

Sending an Image from the Client to the Server

So, I am trying to send an image between the server and client, however, somehow when the server receives the image, the image does not render all of it.
Client Side code:
//button click
Bitmap tImage = new Bitmap(#"C:\Users\Milan\Downloads\guitarstill.gif");
byte[] bStream;
//if (string.IsNullOrEmpty(tbPayload.Text)) return;
try
{
bStream = imageToByteArray(tImage);
if (mTcpClient != null)
{
if (mTcpClient.Client.Connected)
{
mTcpClient.GetStream().BeginWrite(imageToByteArray(tImage), 0, imageToByteArray(tImage).Length, onCompleteWriteToServer, mTcpClient);
}
}
}
catch (Exception exc)
{
MessageBox.Show(exc.Message);
}
//Within another method:
public byte[] imageToByteArray(System.Drawing.Image imageIn) {
MemoryStream ms = new MemoryStream();
imageIn.Save(ms, System.Drawing.Imaging.ImageFormat.Gif);
//richTextBox1.Text = ms.ToArray().ToString();
return ms.ToArray();
}
Server Side Code:
void onCompleteReadFromTCPClientStream(IAsyncResult iar)
{
TcpClient tcpc;
int nCountReadBytes = 0;
string strRecv;
ClientNode cn = null;
try
{
lock (mlClientSocks)
{
tcpc = (TcpClient)iar.AsyncState;
cn = mlClientSocks.Find(x => x.strId == tcpc.Client.RemoteEndPoint.ToString());
nCountReadBytes = tcpc.GetStream().EndRead(iar);
if (nCountReadBytes == 0)// this happens when the client is disconnected
{
MessageBox.Show("Client disconnected.");
mlClientSocks.Remove(cn);
lbClients.Items.Remove(cn.ToString());
return;
}
strRecv = Encoding.ASCII.GetString(cn.Rx, 0, nCountReadBytes);
//strRecv = Encoding.ASCII.GetString(mRx, 0, nCountReadBytes);
if (strRecv.StartsWith("GIF"))
{
//MemoryStream ms = new MemoryStream(cn.Rx);
//Image x = (Bitmap)((new ImageConverter()).ConvertFrom(cn.Rx));
pictureBox1.Image = byteArrayToImage(cn.Rx);
/*
lock (mlClientSocks)
{
//if (cn != null && cn.tclient != null && cn.tclient.Client.Connected)
//{
//foreach (var clients in spectatorsIPAndPort)
//{
cn = mlClientSocks.Find(x => x.strId == clients);
cn.Tx = new byte[512];
cn.Tx = Encoding.ASCII.GetBytes(strRecv);
cn.tclient.GetStream().BeginWrite(cn.Tx, 0, cn.Tx.Length, onCompleteWriteToClientStream, cn.tclient);
//Console.WriteLine("Sent Number of Clients via Request: " + Encoding.UTF8.GetString(cn.Tx) + " To " + clients);
//}
//}
}
*/
//printLine(DateTime.Now + " - " + cn.ToString() + ": " + strRecv);
}
cn.Rx = new byte[512];
tcpc.GetStream().BeginRead(cn.Rx, 0, cn.Rx.Length, onCompleteReadFromTCPClientStream, tcpc);
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
lock (mlClientSocks)
{
printLine("Client disconnected: " + cn.ToString());
mlClientSocks.Remove(cn);
lbClients.Items.Remove(cn.ToString());
}
}
}
//within another method
public Image byteArrayToImage(byte[] byteArrayIn)
{
MemoryStream ms = new MemoryStream(byteArrayIn, 0, byteArrayIn.Length);
//ms.Position = 0;
Image returnImage = Image.FromStream(ms);
return returnImage;
}
My Output:
Expected output: - this full image

Why when giving files names numbers to the names using a counter it's giving it strange numbers?

The first saved file name on the hard disk is: 201701311645---0 then 201701311645---1 then 201701311645---20 then 201701311645---21 then 201701311645---40 and 201701311645---41
But i want it to be saved as: 201701311645---0 then 201701311645---1 then 201701311645---2 then 201701311645---3 then 201701311645---4 and 201701311645---5
In the top i added a counter variable
private int countFilesNames = 0;
Then in a dowork event i also reset the counter to 0 once so if i start the backgroundworker over again it will start from 0.
private void bgwDownloader_DoWork(object sender, DoWorkEventArgs e)
{
Int32 fileNr = 0;
countFilesNames = 0;
if (this.SupportsProgress) { calculateFilesSize(); }
if (!Directory.Exists(this.LocalDirectory)) { Directory.CreateDirectory(this.LocalDirectory); }
while (fileNr < this.Files.Count && !bgwDownloader.CancellationPending)
{
m_fileNr = fileNr;
downloadFile(fileNr);
if (bgwDownloader.CancellationPending)
{
fireEventFromBgw(Event.DeletingFilesAfterCancel);
cleanUpFiles(this.DeleteCompletedFilesAfterCancel ? 0 : m_fileNr, this.DeleteCompletedFilesAfterCancel ? m_fileNr + 1 : 1);
}
else
{
fileNr += 1;
}
}
}
Then in the downloadFile method
private void downloadFile(Int32 fileNr)
{
FileStream writer = null;
m_currentFileSize = 0;
fireEventFromBgw(Event.FileDownloadAttempting);
FileInfo file = this.Files[fileNr];
Int64 size = 0;
Byte[] readBytes = new Byte[this.PackageSize];
Int32 currentPackageSize;
System.Diagnostics.Stopwatch speedTimer = new System.Diagnostics.Stopwatch();
Int32 readings = 0;
Exception exc = null;
try
{
writer = new FileStream(this.LocalDirectory + "\\" + file.Name +
"---" + countFilesNames + ".png", System.IO.FileMode.Create);
}
catch(Exception err)
{
string ggg = err.ToString();
}
HttpWebRequest webReq;
HttpWebResponse webResp = null;
try
{
webReq = (HttpWebRequest)System.Net.WebRequest.Create(this.Files[fileNr].Path);
webResp = (HttpWebResponse)webReq.GetResponse();
size = webResp.ContentLength;
}
catch (Exception ex) { exc = ex; }
m_currentFileSize = size;
fireEventFromBgw(Event.FileDownloadStarted);
if (exc != null)
{
bgwDownloader.ReportProgress((Int32)InvokeType.FileDownloadFailedRaiser, exc);
}
else
{
m_currentFileProgress = 0;
while (m_currentFileProgress < size && !bgwDownloader.CancellationPending)
{
while (this.IsPaused) { System.Threading.Thread.Sleep(100); }
speedTimer.Start();
currentPackageSize = webResp.GetResponseStream().Read(readBytes, 0, this.PackageSize);
m_currentFileProgress += currentPackageSize;
m_totalProgress += currentPackageSize;
fireEventFromBgw(Event.ProgressChanged);
writer.Write(readBytes, 0, currentPackageSize);
readings += 1;
if (readings >= this.StopWatchCyclesAmount)
{
m_currentSpeed = (Int32)(this.PackageSize * StopWatchCyclesAmount * 1000 / (speedTimer.ElapsedMilliseconds + 1));
speedTimer.Reset();
readings = 0;
}
}
speedTimer.Stop();
writer.Close();
webResp.Close();
if (!bgwDownloader.CancellationPending) { fireEventFromBgw(Event.FileDownloadSucceeded); }
}
fireEventFromBgw(Event.FileDownloadStopped);
countFilesNames += 1;
}
I build the file name:
writer = new FileStream(this.LocalDirectory + "\\" + file.Name +
"---" + countFilesNames + ".png", System.IO.FileMode.Create);
The move the counter forward by 1:
countFilesNames += 1;
But i'm getting other files names then i wanted.
Maybe there is a better way to give the files names some identity ? The problem is that if i will not give the files names some identity it will overwrite the files all the time. The files names are the same the content is not so i need to give each file another name.

Why don't you just increment the counter only when a file is written (since the variable doesn't look like it is accessed elsewhere) and not below:
writer = new FileStream(this.LocalDirectory + "\\" + file.Name +
"---" + countFilesNames++ + ".png", System.IO.FileMode.Create);
This way the counter won't be incremented on errors.

how to save exception in txt file?

public DataTable InsertItemDetails(FeedRetailPL objFeedRetPL)
{
DataTable GetListID = new DataTable();
try
{
SqlParameter[] arParams = new SqlParameter[4];
arParams[0] = new SqlParameter("#Date", typeof(DateTime));
arParams[0].Value = objFeedRetPL.requestdate;
}
catch (Exception ex)
{
string dir = #"C:\Error.txt"; // folder location
if (!Directory.Exists(dir))
{
Directory.CreateDirectory(dir);
File.AppendAllText(Server.MapPath("~/Error.txt"), "Message :" + ex.Message + "<br/>" + Environment.NewLine + "StackTrace :" + ex.StackTrace +
"" + Environment.NewLine + "Date :" + DateTime.Now.ToString());
string New = Environment.NewLine + "-----------------------------------------------------------------------------" + Environment.NewLine;
File.AppendAllText(Server.MapPath("~/Error.txt"), New);
}
}
}
Here, I want to save an Exception in "C:\" ..I am trying In DAL... How to save the Exception In
C drive Error.txt

Since you want to save the exception to C:\Error.txt, you don't need Directory.Exists, Directory.CreateDirectory, or Server.MapPath("~/Error.txt"). You can simply use StreamWriter like this:
string filePath = #"C:\Error.txt";
Exception ex = ...
using( StreamWriter writer = new StreamWriter( filePath, true ) )
{
writer.WriteLine( "-----------------------------------------------------------------------------" );
writer.WriteLine( "Date : " + DateTime.Now.ToString() );
writer.WriteLine();
while( ex != null )
{
writer.WriteLine( ex.GetType().FullName );
writer.WriteLine( "Message : " + ex.Message );
writer.WriteLine( "StackTrace : " + ex.StackTrace );
ex = ex.InnerException;
}
}
The above code will create C:\Error.txt if it doesn't exist, or append C:\Error.txt if it already exists.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.IO;
namespace ErrorLoggingSample
{
class Program
{
static void Main(string[] args)
{
try
{
string str = string.Empty;
if (string.IsNullOrEmpty(str))
{
throw new Exception("Wrong Data");
}
}
catch (Exception ex)
{
ErrorLogging(ex);
ReadError();
}
}
public static void ErrorLogging(Exception ex)
{
string strPath = #"D:\Rekha\Log.txt";
if (!File.Exists(strPath))
{
File.Create(strPath).Dispose();
}
using (StreamWriter sw = File.AppendText(strPath))
{
sw.WriteLine("=============Error Logging ===========");
sw.WriteLine("===========Start============= " + DateTime.Now);
sw.WriteLine("Error Message: " + ex.Message);
sw.WriteLine("Stack Trace: " + ex.StackTrace);
sw.WriteLine("===========End============= " + DateTime.Now);
}
}
public static void ReadError()
{
string strPath = #"D:\Rekha\Log.txt";
using (StreamReader sr = new StreamReader(strPath))
{
string line;
while ((line = sr.ReadLine()) != null)
{
Console.WriteLine(line);
}
}
}
}
}

I use that one
catch (Exception e)
{
new MessageWriteToFile(e).WriteToFile();
}
public class MessageWriteToFile
{
private const string Directory = "C:\\AppLogs";
public string Message { get; set; }
public Exception Exception { get; set; }
public string DefaultPath
{
get
{
var appName = System.Reflection.Assembly.GetExecutingAssembly().GetName().Name;
var folder = $"{Directory}\\{appName}";
if (!System.IO.Directory.Exists(folder))
{
System.IO.Directory.CreateDirectory(folder);
}
var fileName = $"{DateTime.Today:yyyy-MM-dd}.txt";
return $"{Directory}\\{appName}\\{fileName}";
}
}
public MessageWriteToFile(string message)
{
Message = message;
}
public MessageWriteToFile(Exception ex)
{
Exception = ex;
}
public bool WriteToFile(string path = "")
{
if (string.IsNullOrEmpty(path))
{
path = DefaultPath;
}
try
{
using (var writer = new StreamWriter(path, true))
{
writer.WriteLine("-----------------------------------------------------------------------------");
writer.WriteLine("Date : " + DateTime.Now.ToString(CultureInfo.InvariantCulture));
writer.WriteLine();
if (Exception != null)
{
writer.WriteLine(Exception.GetType().FullName);
writer.WriteLine("Source : " + Exception.Source);
writer.WriteLine("Message : " + Exception.Message);
writer.WriteLine("StackTrace : " + Exception.StackTrace);
writer.WriteLine("InnerException : " + Exception.InnerException?.Message);
}
if (!string.IsNullOrEmpty(Message))
{
writer.WriteLine(Message);
}
writer.Close();
}
}
catch (Exception)
{
return false;
}
return true;
}
}

Try This
try
{
int i = int.Parse("Prashant");
}
catch (Exception ex)
{
this.LogError(ex);
}
private void LogError(Exception ex)
{
string message = string.Format("Time: {0}", DateTime.Now.ToString("dd/MM/yyyy hh:mm:ss tt"));
message += Environment.NewLine;
message += "-----------------------------------------------------------";
message += Environment.NewLine;
message += string.Format("Message: {0}", ex.Message);
message += Environment.NewLine;
message += string.Format("StackTrace: {0}", ex.StackTrace);
message += Environment.NewLine;
message += string.Format("Source: {0}", ex.Source);
message += Environment.NewLine;
message += string.Format("TargetSite: {0}", ex.TargetSite.ToString());
message += Environment.NewLine;
message += "-----------------------------------------------------------";
message += Environment.NewLine;
string path = Server.MapPath("~/ErrorLog/ErrorLog.txt");
using (StreamWriter writer = new StreamWriter(path, true))
{
writer.WriteLine(message);
writer.Close();
}
}

string[] path1 = Directory.GetFiles(#"E:\storage", "*.txt");//it get the all textfiles from the folder
for (var i = 0; i < path1.Length; i++)
{
var file = Directory.GetDirectories(networkPath);
var path = file;
string temp_FilePath = "E:\\temp.txt";
string temp_FilePath1 = #"E:\ExceptionFiles\Cs_regular\\Cs_regular.txt";
string temp_FilePath2 = #"E:\ExceptionFiles\CC_eBilling\\CC_eBilling.txt";
string folder = #"E:\ExceptionFiles\Cs_regular";
string folder1 = #"E:\ExceptionFiles\CC_eBilling";
string[] lines;
var list = new List<string>();
var list1 = new List<string>();
var list2 = new List<string>();
var error = false;
var fileStream = new FileStream(path, FileMode.Open, FileAccess.Read);
var fileStream1 = new FileStream(path, FileMode.Open, FileAccess.Read);
var fileStream2 = new FileStream(path, FileMode.Open, FileAccess.Read);
using (var streamReader = new StreamReader(fileStream, Encoding.UTF8))
{
string line;
while ((line = streamReader.ReadLine()) != null)
{
var res = line.Substring(20, 16);
//var timenow = DateTime.Now.ToString("yyyy /MM/dd HH:mm");
var timenow1 = "2020/10/31 10:11";
if (res == timenow1)
{
string linesRemoved = "ERROR";
if (!line.Contains(linesRemoved))
{
if (error == true)
{
if (line.Contains("at"))
{
list1.Add(line);
error = true;
}
else
{
error = false;
}
}
}
else
{
error = false;
}
if (line.Contains("Exception1") && error == false)
{
list1.Add(line);
error = true;
}
}
}
}
using (var streamReader2 = new StreamReader(fileStream2, Encoding.UTF8))
{
string line;
while ((line = streamReader2.ReadLine()) != null)
{
string linesRemoved = "ERROR";
var res = line.Substring(20, 16);
//var timenow = DateTime.Now.ToString("yyyy/MM/dd HH:mm");
var timenow1 = "2020/10/29 12:38";
if (res == timenow1)
{
if (!line.Contains(linesRemoved))
{
if (error == true)
{
if (line.Contains("at"))
{
list2.Add(line);
error = true;
}
else
{
error = false;
}
}
}
else
{
error = false;
}
if ((line.Contains("Exception2") && line.Contains("Exception:")) && error == false)
{
list2.Add(line);
error = true;
}
}
}
}
if ((System.IO.File.Exists(temp_FilePath1) || System.IO.File.Exists(temp_FilePath2)))
{
int fileCount = Directory.GetFiles(folder).Length;
int fileCount1 = Directory.GetFiles(folder1).Length;
fileCount++;
fileCount1++;
temp_FilePath1 = temp_FilePath1 + "(" + fileCount.ToString() + ").txt";
temp_FilePath2 = temp_FilePath2 + "(" + fileCount1.ToString() + ").txt";
}
{
System.IO.File.WriteAllLines(temp_FilePath1, list1);
System.IO.File.WriteAllLines(temp_FilePath2, list2);
}
System.IO.File.WriteAllLines(temp_FilePath, list);
System.IO.File.WriteAllLines(temp_FilePath1, list1);
System.IO.File.WriteAllLines(temp_FilePath2, list2);
}
}
}
catch (Exception ex)
{
}
return null;

Unable to catch the exception from selenium in C#

I have written some code which deals with C# reflections and selenium to automate the build process of a URL.
But I am unable to catch the exception. What I did is , I exported into .html format from selenium IDE. and parsed and it automatically calls the function related to it from c# code.
but I am unable to catch it. I need help in this regard? Any guesses why it is unable to catch the exception..
I am using Visual Studio Microsoft Visual C# 2010 Express.
And the code is as follows.
using System;
using System.Text;
using System.Text.RegularExpressions;
using NUnit.Framework;
using Selenium;
using System.Reflection;
using System.IO;
namespace SeleniumTests
{
public class Program
{
public ISelenium selenium;
public void SetupTest()
{
selenium = new DefaultSelenium("localhost", 4444, "*chrome", "URL");
selenium.Start();
}
//[TearDown]
public void TeardownTest()
{
try
{
selenium.Stop();
}
catch (Exception)
{
}
}
public void myFun(string file)
{
bool flag = false;
string targetString = "", valueString = "", commandString = "";
string subString1, subString2;
HtmlAgilityPack.HtmlNode commandNode=null;
HtmlAgilityPack.HtmlNode targetNode=null;
HtmlAgilityPack.HtmlNode valueNode=null;
HtmlAgilityPack.HtmlDocument doc = new HtmlAgilityPack.HtmlDocument();
doc.Load(file);
doc.OptionCheckSyntax = true;
doc.OptionFixNestedTags = true;
doc.OptionAutoCloseOnEnd = true;
doc.OptionOutputAsXml = true;
doc.OptionDefaultStreamEncoding = Encoding.Default;
HtmlAgilityPack.HtmlNode table = doc.DocumentNode.SelectSingleNode("//table");
foreach (var row in table.SelectNodes("//tr"))
{
commandNode = row.SelectSingleNode("td[1]");
commandString = commandNode.InnerHtml.ToString();
subString1 = commandString.Substring(0, 1);
subString1 = subString1.ToUpper();
subString2 = commandString.Substring(1, commandString.Length - 1);
commandString = subString1 + subString2;
targetNode = row.SelectSingleNode("td[2]");
if (targetNode != null)
{
targetString = targetNode.InnerHtml.ToString();
if (targetString.Length == 0)
{
targetNode = null;
}
}
valueNode = row.SelectSingleNode("td[3]");
if (valueNode != null)
{
valueString = valueNode.InnerHtml.ToString();
if (valueString.Length == 0)
{
valueNode = null;
}
}
MethodInfo SeleniumMethod = typeof(ISelenium).GetMethod(commandString);
if (SeleniumMethod == null)
{
// Console.WriteLine(" \n NULL " + commandString);
continue;
}
if (targetNode == null && valueNode == null)
continue;
if (targetNode != null && valueNode != null)
{
String[] SeleniumArgs = new String[2];
SeleniumArgs[0] = targetNode.InnerHtml.ToString();
SeleniumArgs[1] = valueNode.InnerHtml.ToString();
try
{
SeleniumMethod.Invoke(selenium, SeleniumArgs);
}
catch (System.Reflection.TargetInvocationException)
{
}
catch (Selenium.SeleniumException se)
{
flag = true;
string lines = "\n Selenium Exception: Caught an exception while executing the script : " + file + " with the command : " + commandNode.InnerHtml.ToString() + " and the XPath is: " + targetNode.InnerHtml.ToString() + " and the value is : " + valueNode.InnerHtml.ToString() + " and the exception is as follows : ";
using (StreamWriter writer = new StreamWriter("Log.txt", true))
{
writer.WriteLine(lines);
writer.Flush();
writer.Close();
}
}
catch (Exception e)
{
flag = true;
string lines = "\n Exception: Caught an exception while executing the script : " + file + " with the command : " + commandNode.InnerHtml.ToString() + " and the XPath is: " + targetNode.InnerHtml.ToString() + " and the value is : " + valueNode.InnerHtml.ToString() + " and the exception is as follows : ";
using (StreamWriter writer = new StreamWriter("Log.txt", true))
{
writer.WriteLine(lines);
writer.Flush();
writer.Close();
}
}
}
else if (targetNode != null && valueNode == null)
{
String[] SeleniumArgs = new String[1];
SeleniumArgs[0] = targetNode.InnerHtml.ToString();
SeleniumMethod.Invoke(selenium, SeleniumArgs);
}
else if (valueNode != null)
{
String[] SeleniumArgs = new String[1];
SeleniumArgs[0] = valueNode.InnerHtml.ToString();
SeleniumMethod.Invoke(selenium, SeleniumArgs);
}
}// end of for
string line = "\n Script executed successfully ";
if (flag == false)
{
using (StreamWriter writer = new StreamWriter("Log.txt", true))
{
writer.WriteLine(line);
writer.Flush();
writer.Close();
}
}
}
}
public class TestProgram
{
static void Main(string[] args)
{
try
{
Program p = new Program();
p.SetupTest();
string file = #"1.html";
p.myFun(file);
p.TeardownTest();
}
catch { }
}
}
}

If you are trying to catch the exception in your Main() method, you need to bubble your exceptions up in your myFun method. At the moment you are drowning any exceptions in your myFun method.
e.g.
try
{
SeleniumMethod.Invoke(selenium, SeleniumArgs);
}
catch (System.Reflection.TargetInvocationException)
{
throw; //make this bubble up to the calling method.
}
catch (Selenium.SeleniumException se)
{
flag = true;
string lines = "\n Selenium Exception: Caught an exception while executing the script : " + file + " with the command : " + commandNode.InnerHtml.ToString() + " and the XPath is: " + targetNode.InnerHtml.ToString() + " and the value is : " + valueNode.InnerHtml.ToString() + " and the exception is as follows : ";
using (StreamWriter writer = new StreamWriter("Log.txt", true))
{
writer.WriteLine(lines);
writer.Flush();
writer.Close();
}
throw se; //bubble up to calling method
}
//etc...