backgroundworker

This is my background work DoWor function, is the implementation taking into consideration the GUI operation done okay? private void backgroundWorker1_DoWork(object sender, System.ComponentModel.DoWorkEventArgs e) { try { string connectionString = "Data Source=LPMSW09000012JD\\SQLEXPRESS;Initial Catalog=Pharmacies;Integrated Security=True"; SqlConnection con = new SqlConnection(connectionString); con.Open(); string query = "SELECT * FROM dbo.Liguanea_Lane2"; SqlCommand cmd = new SqlCommand(query, con); SqlDataReader dr = cmd.ExecuteReader(); while (dr.Read()) { string scode = dr.GetString(dr

From a game loop i want to start work in the background that should be executed one after another but should not block the game loop. So ideally a class BackgroundQueue that could be used like this: BackgroundQueue myQueue = new BackgroundQueue(); //game loop called 60 times per second void Update() { if (somethingHappens) { myQueue.Enqueue(() => MethodThatTakesLong(someArguments)) } } Is there a ready made class in .NET that works for the scenario? Or does someone know a good example on how to implement the BackgroundQueue class? A nice to have would be if the class could report whether it's

i recently acquired some source code for a console wrapper for a server. The program was originaly in WPF and part of the code was: private void ServerProc_ErrorDataReceived(object sender, DataReceivedEventArgs e) { Dispatcher.Invoke(new Action(() => { ConsoleTextBlock.Text += e.Data + "\r\n"; ConsoleScroll.ScrollToEnd(); })); } private void ServerProc_OutputDataReceived(object sender, DataReceivedEventArgs e) { Dispatcher.Invoke(new Action(() => { ConsoleTextBlock.Text += e.Data + "\r\n"; ConsoleScroll.ScrollToEnd(); ParseServerInput(e.Data); })); } Its also had this annotation in both voids:

I have an application that pings every IP in the datagridview in order to compile a list of responsive IP RoundtripTime.When finished the step,I will push the RoundtripTime back to datagridview. ... foreach (DataGridViewRow row in this.gvServersList.Rows) { this.current_row = row; string ip = row.Cells["ipaddr_hide"].Value.ToString(); ping = new Ping(); ping.PingCompleted += new PingCompletedEventHandler(ping_PingCompleted); ping.SendAsync(ip, 1000); System.Threading.Thread.Sleep(5); } ... private static void ping_PingCompleted(object sender, PingCompletedEventArgs e) { var reply = e.Reply;

I'm running a backgroundworker for my webbrowser on a winform, it works and all, but why does the UI lags or freezes for a moment to wait for the page to load when I want it to load in the background so that the UI is fully functional? Private Property pageready As Boolean = False Public Sub WaitForPageLoad() AddHandler WebBrowser1.DocumentCompleted, New WebBrowserDocumentCompletedEventHandler(AddressOf PageWaiter) While Not pageready Application.DoEvents() End While pageready = False End Sub Public Sub PageWaiter(ByVal sender As Object, ByVal e As WebBrowserDocumentCompletedEventArgs) If

I want to display some data on form load in a data gridview , the data which i want to display is in large number of rows , when i use background worker processor it show me the following error. My code: private void backgroundWorker1_DoWork(object sender, DoWorkEventArgs e) { try { FTPUtility obj = new FTPUtility(); dataGridViewRequest.DataSource = obj.ListRequestFiles(); dataGridViewRequest.Columns[0].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill; dataGridViewRequest.Columns[1].AutoSizeMode = DataGridViewAutoSizeColumnMode.Fill; dataGridViewRequest.Columns[2].AutoSizeMode =

I am trying to work with asp.net. I have very small question. In one of my button click event, I have heavy task that need to be executed and it causing problem. How can i run this code in background worker. Any hint will be appreciated as i have no played with this background worker yet. Here is the code for my background worker. protected void green_button_Click(object sender, EventArgs e) { string stdOut = null; string stdError = null; string address = "192.168.1.88"; string user = "user"; string pass = "testuser"; SshExec ssh = new SshExec(address, user, pass); green_output.Text =