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  • @WebServices as @Stateless session bean in ejb jar

    - by kislo_metal
    Hi! Scenario: Creating some web service as @Stateless bean, package it as ejb jar. Result - can`t access to wsdl file. Goal: I want to use @WebServices as @Stateless session using ejb jar packaging with accessible wsdl file form web. Web service: @Stateless @WebService(serviceName = "ws.isp.SecurityService", wsdlLocation = "META-INF/wsdl/SecurityService.wsdl") public class SecurityService{ @EJB private Kerberos factory; @EJB private UsersServiceBean uService; public SecurityService() { } @WebMethod @WebResult(name = "SimpleResponse") public SimpleResponse LogOut( @WebParam(name = "sessionUUID", targetNamespace = "https://secure.co.ua/ws/") String sessionUUID ) { SimpleResponse resp = new SimpleResponse(); try{ factory.removeSession(sessionUUID); resp.setError(WSErrorCodes.SUCCESS); }catch (Exception e){ e.printStackTrace(); resp.setError(WSErrorCodes.UNRELOSVED_ERROR); } return resp; } @WebMethod public MySession logIn( @WebParam(name = "username", targetNamespace = "https://secure.co.ua/ws/") String username, @WebParam(name = "password", targetNamespace = "https://secure.co.ua/ws/") String password){ MySession result = new MySession(); try { UserSession us = factory.creatSession(uService.getUser(username, password).getId()); result.setSessionID(us.getSessionUUID().toString()); result.setError(WSErrorCodes.SUCCESS); } catch (NullPointerException e){ e.printStackTrace(); result.setError(WSErrorCodes.UNRELOSVED_USER); } catch (Exception e){ e.printStackTrace(); result.setError(WSErrorCodes.UNRELOSVED_ERROR); } return result; } } In this case I getting Invalid wsdl request http://192.168.44.48:8181/ws.isp.SecurityService/SecurityService when I try to access to wsdl and if do not use description of wsdlLocation I getting blank page. Web service as it self working good. Q1: what is the rule of describing wsdl file location for web services as stateless in ejb jar. Q2: is it possible to generate wsdl file during maven packaging ? Q3: how to generate wsdl file for web service where we have such annotation as @Stateless and @EJB (currently I can generate it only by commenting those annotations) environment: mave 2, ejb 3.1, glassfish v3, jax-ws 2.x Thank you!

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  • Need Help with fixing permissions in mounted Drive

    - by Master
    I am trying a lot still my problem is not solved. I have a partion called Server and inside it i have 5 folders like Folder 1 FOlder 2 Folder 3 I am mounting the drive on startup by using following command as told to me by some senoir members and it works but with some problems /dev/sdb1 /media/Server ntfs defaults,umask=006,fmask=000,dmask=007,uid=1000,gid=1001 0 0 The problem is with this command the permission are applied to all folders like Folder 1 , Folder 2 , FOlder3 But i want that only FOlder 3 should be publicly readable and writable while all other should be private and no one should have access to that. How can i achieve that

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  • dynamically created controls and responding to control events

    - by Dirk
    I'm working on an ASP.NET project in which the vast majority of the forms are generated dynamically at run time (form definitions are stored in a DB for customizability). Therefore, I have to dynamically create and add my controls to the Page every time OnLoad fires, regardless of IsPostBack. This has been working just fine and .NET takes care of managing ViewState for these controls. protected override void OnLoad(EventArgs e) { base.OnLoad(e); RenderDynamicControls() } private void RenderDynamicControls(){ //1. call service layer to retrieve form definition //2. create and add controls to page container } I have a new requirement in which if a user clicks on a given button (this button is created at design time) the page should be re-rendered in a slightly different way. So in addition to the code that executes in OnLoad (i.e. RenderDynamicControls()), I have this code: protected void MyButton_Click(object sender, EventArgs e) { RenderDynamicControlsALittleDifferently() } private void RenderDynamicControlsALittleDifferently() (){ //1. clear all controls from the page container added in RenderDynamicControls() //2. call service layer to retrieve form definition //3. create and add controls to page container } My question is, is this really the only way to accomplish what I'm after? It seems beyond hacky to effectively render the form twice simply to respond to a button click. I gather from my research that this is simply how the page-lifecycle works in ASP.NET: Namely, that OnLoad must fire on every Postback before child events are invoked. Still, it's worthwhile to check with the SO community before having to drink the kool-aid. On a related note, once I get this feature completed, I'm planning on throwing an UpdatePanel on the page to perform the page updates via Ajax. Any code/advice that make that transition easier would be much appreciated. Thanks

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  • ssh_exchange_identification: Connection closed by remote host under Git bash

    - by MoreFreeze
    I work at win7 and set up git server with sshd. I git --bare init myapp.git, and clone ssh://git@localhost/home/git/myapp.git in Cywgin correctly. But I need config git of Cygwin again, I want to git clone in Git Bash. I run "git clone ssh://git@localhost/home/git/myapp.git" and get following message ssh_exchange_identification: Connection closed by remote host then I run "ssh -vvv git@localhost" in Git Bash and get message debug2: ssh_connect: needpriv 0 debug1: Connecting to localhost [127.0.0.1] port 22. debug1: Connection established. debug1: identity file /c/Users/MoreFreeze/.ssh/identity type -1 debug3: Not a RSA1 key file /c/Users/MoreFreeze/.ssh/id_rsa. debug2: key_type_from_name: unknown key type '-----BEGIN' debug3: key_read: missing keytype debug3: key_read: missing whitespace // above it repeats 24 times debug2: key_type_from_name: unknown key type '-----END' debug3: key_read: missing keytype debug1: identity file /c/Users/MoreFreeze/.ssh/id_rsa type 1 debug1: identity file /c/Users/MoreFreeze/.ssh/id_dsa type -1 ssh_exchange_identification: Connection closed by remote host it seems my private keys has wrong format? And I find that there are exactly 25 line in private keys without "BEGIN" and "END". I'm confused why it said NOT RSA1 key, I totally ensure it is RSA 2 key. Any advises are welcome. btw, I have read first 3 pages on google about this problem.

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  • Returning searched results in an array in Java without ArrayList

    - by Crystal
    I started down this path of implementing a simple search in an array for a hw assignment without knowing we could use ArrayList. I realized it had some bugs in it and figured I'd still try to know what my bug is before using ArrayList. I basically have a class where I can add, remove, or search from an array. public class AcmeLoanManager { public void addLoan(Loan h) { int loanId = h.getLoanId(); loanArray[loanId - 1] = h; } public Loan[] getAllLoans() { return loanArray; } public Loan[] findLoans(Person p) { //Loan[] searchedLoanArray = new Loan[10]; // create new array to hold searched values searchedLoanArray = this.getAllLoans(); // fill new array with all values // Looks through only valid array values, and if Person p does not match using Person.equals() // sets that value to null. for (int i = 0; i < searchedLoanArray.length; i++) { if (searchedLoanArray[i] != null) { if (!(searchedLoanArray[i].getClient().equals(p))) { searchedLoanArray[i] = null; } } } return searchedLoanArray; } public void removeLoan(int loanId) { loanArray[loanId - 1] = null; } private Loan[] loanArray = new Loan[10]; private Loan[] searchedLoanArray = new Loan[10]; // separate array to hold values returned from search } When testing this, I thought it worked, but I think I am overwriting my member variable after I do a search. I initially thought that I could create a new Loan[] in the method and return that, but that didn't seem to work. Then I thought I could have two arrays. One that would not change, and the other just for the searched values. But I think I am not understanding something, like shallow vs deep copying???....

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  • How to delete a QProcess instance correctly?

    - by Kopfschmerzen
    Hi everyone! I have a class looking like this: class FakeRunner : public QObject { Q_OBJECT private: QProcess* proc; public: FakeRunner(); int run() { if (proc) return -1; proc = new QProcess(); QStringList args; QString programName = "fake.exe"; connect(comp, SIGNAL(started()), this, SLOT(procStarted())); connect(comp, SIGNAL(error(QProcess::ProcessError)), this, SLOT(procError(QProcess::ProcessError))); connect(comp, SIGNAL(finished(int, QProcess::ExitStatus)), this, SLOT(procFinished(int, QProcess::ExitStatus))); proc->start(programName, args); return 0; }; private slots: void procStarted() {}; void procFinished(int, QProcess::ExitStatus) {}; void procError(QProcess::ProcessError); } Since "fake.exe" does not exist on my system, proc emits the error() signal. If I handle it like following, my program crashes: void FakeRunner::procError(QProcess::ProcessError rc) { delete proc; proc = 0; } It works well, though, if I don't delete the pointer. So, the question is how (and when) should I delete the pointer to QProcess? I believe I have to delete it to avoid a memory leak. FakeRunner::run() can be invoked many times, so the leak, if there is one, will grow. Thanks!

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  • How to identify the type of socket data?

    - by Nitesh Panchal
    Hello, May be i am not able to express my doubt properly in this question but still i will try. Basically i created a simple socket based chat program and everything works fine. But i think i have made many patches in it from the design point of view. I have used ObjectInputStream and ObjectOutputStreams in my program. The question i want to ask is how do i identify the different type of data that i send across the network? say if it is simple String type object i directly add to List<String> chatMessages. Now if want to ban certain users i created an another class :- public class User{ private String name; private String id; //getters and setters } This User class means no importance to me till now but i only created it to properly identify the action. Thus if i receive an instanceOf User i can be sure that some user is to be banned. That way i dont have to hardcode strings. I mean first i thought of sending something like "Banned User :" + userName and then i used to check if string startsWith "Banned User :" then i take some action :p. I've created a User class but it means no importance to me in my program. I want to know whether directly sending strings is good way or create a class for every action that is good. If i am not clear please let me know. If i have hundreds of action do i have to create hundreds of classes so i can check via instanceOf? Say now if i plan to create a BUZZ like facility that is available in yahoo messenger. Should i again create an another class named BUZZ? so it can be identified easily?

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  • multi-threaded proxy checker having problems

    - by Paul
    hello everyone, I am trying to create a proxy checker. This is my first attempt at multithreading and it's not going so well, the threads seem to be waiting for one to complete before initializing the next. Imports System.Net Imports System.IO Imports System.Threading Public Class Form1 Public sFileName As String Public srFileReader As System.IO.StreamReader Public sInputLine As String Public Class WebCall Public proxy As String Public htmlout As String Public Sub New(ByVal proxy As String) Me.proxy = proxy End Sub Public Event ThreadComplete(ByVal htmlout As String) Public Sub send() Dim myWebRequest As HttpWebRequest = CType(WebRequest.Create("http://www.myserver.com/ip.php"), HttpWebRequest) myWebRequest.Proxy = New WebProxy(proxy, False) Try Dim myWebResponse As HttpWebResponse = CType(myWebRequest.GetResponse(), HttpWebResponse) Dim loResponseStream As StreamReader = New StreamReader(myWebResponse.GetResponseStream()) htmlout = loResponseStream.ReadToEnd() Debug.WriteLine("Finished - " & htmlout) RaiseEvent ThreadComplete(htmlout) Catch ex As WebException If (ex.Status = WebExceptionStatus.ConnectFailure) Then End If Debug.WriteLine("Failed - " & proxy) End Try End Sub End Class Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click Dim proxy As String Dim webArray As New ArrayList() Dim n As Integer For n = 0 To 2 proxy = srFileReader.ReadLine() webArray.Add(New WebCall(proxy)) Next Dim w As WebCall For Each w In webArray Threading.ThreadPool.QueueUserWorkItem(New WaitCallback(AddressOf w.send), w) Next w End Sub Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load srFileReader = System.IO.File.OpenText("proxies.txt") End Sub End Class

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  • Assign delegate event handler from dynamically added child control

    - by mickyjtwin
    I have a control that handles commenting. In this control, I have set a delegate event handler for sending an email. I then have various types of controls, e.g. blog, articles etc, each of which may or may not have the commenting control added (which is done dynamically with me not knowing the id's), i.e. the commenting control is added outside this control. Each of these controls handles it's emailing differently(hence the event). What I'm trying to determine, is how to assign the event in the parent control. At the moment, I'm having to recursively search through all the controls on the page until I find the comment control, and set it that way. Example below explains: COMMENTING CONTROL public delegate void Commenting_OnSendEmail(); public partial class Commenting : UserControl { public Commenting_OnSendEmail OnComment_SendEmail(); private void Page_Load(object sender, EventArgs e) { if(OnComment_SendEmail != null) { OnComment_SendEmail(); } } } PARENT CONTROL public partial class Blog : UserControl { private void Page_Load(object sender, EventArgs e) { Commenting comControl = (Commenting)this.FindControl<Commenting>(this); if(comControl != null) { comCtrol.OnComment_SendEmail += new Commenting_OnSendMail(Blog_Comment_OnSendEmail); } } } Is there an easier way?

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  • How do I [legally] get the current first responder on the screen on an iPhone?

    - by Anthony D
    I submitted my app a little over a week ago and got the dreaded rejection email today. It reads as follows: Dear -----------, Thank you for submitting --------- to the App Store. Unfortunately it cannot be added to the App Store because it is using a private API. Use of non-public APIs, which as outlined in the iPhone Developer Program License Agreement section 3.3.1 is prohibited: "3.3.1 Applications may only use Documented APIs in the manner prescribed by Apple and must not use or call any private APIs." The non-public API that is included in your application is firstResponder. Regards, iPhone Developer Program Now, the offending API call is actually a solution I found here on SO: UIWindow *keyWindow = [[UIApplication sharedApplication] keyWindow]; UIView *firstResponder = [keyWindow performSelector:@selector(firstResponder)]; So this is my question; How do I get the current first responder on the screen? I'm looking for a legal way that won't get my app rejected. Thanks. I figured this out based on the solution provided by Thomas below. Here is what the final code looks like: @implementation UIView (FindFirstResponder) - (UIView *)findFirstResonder { if (self.isFirstResponder) { return self; } for (UIView *subView in self.subviews) { UIView *firstResponder = [subView findFirstResonder]; if (firstResponder != nil) { return firstResponder; } } return nil; } @end

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  • How to intercept, parse and compile?

    - by epitka
    This is a problem I've been struggling to solve for a while. I need a way to either replace code in the method with a parsed code from the template at compile time (PostSharp comes to mind) or to create a dynamic proxy (Linfu or Castle). So given a source code like this [Template] private string GetSomething() { var template = [%=Customer.Name%] } I need it to be compiled into this private string GetSomething() { MemoryStream mStream = new MemoryStream(); StreamWriter writer = new StreamWriter(mStream,System.Text.Encoding.UTF8); writer.Write(@"" ); writer.Write(Customer.Name); StreamReader sr = new StreamReader(mStream); writer.Flush(); mStream.Position = 0; return sr.ReadToEnd(); } It is not important what technology is used. I tried with PostSharp's ImplementMethodAspect but got nowhere (due to lack of experience with it). I also looked into Linfu framework. Can somebody suggest some other approach or way to do this, I would really appreciate. My whole project depends on this.

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  • Dynamic checkboxlist

    - by Steve
    Hi, I am currently building a dynamic url tab system that user can say what urls they want to be displayed on a tabpage control. In the database i have the following columns. userID, int URLName var Enabled bit I am pulling the data back ok but what i am trying do is populate a checkbox list with the urlname and its status on a user options page so they can say what tabs they want displayed. I have wrote the following methods to get the urls and create the checkboxes however i keep getting the following error. ex = {"InvalidArgument=Value of '1' is not valid for 'index'.\r\nParameter name: index"} It reads the first row ok but when it hits the 2nd row that is being returned i get that error. Has anyone got any ideas? Thanks private void GetUserURLS() { db.initiateCommand("[Settings].[LoadAllUserURLS]", CommandType.StoredProcedure); sqlp = db.addParameter("@UserID", _UserID, SqlDbType.Int, ParameterDirection.Input); sqlp = db.addParameter("@spErrorID", DBNull.Value, SqlDbType.Int, ParameterDirection.InputOutput); db.executeCommand(); CreateCheckBoxes(db.getTable(0).Rows); db.releaseCommand(); } private void CreateCheckBoxes(DataRowCollection rows) { try { int i = 0; foreach (DataRow row in rows) { //Gets the url name and path when the status is enabled. The status of Enabled / Disabled is setup in the users option page string URLName = row["URLName"].ToString(); bool enabled = Convert.ToBoolean(row["Enabled"]); CheckedListBox CB = new CheckedListBox(); CB.Items.Insert(i, URLName); CB.Tag = "CB" + i.ToString(); checkedListBox1.Items.Add(CB); i++; } } catch (Exception ex) { //Log error Functionality func = new Functionality(); func.LogError(ex); //Error message the user will see string FriendlyError = "There has been populating checkboxes with the urls - A notification has been sent to development"; Classes.ShowMessageBox.MsgBox(FriendlyError, "There has been an Error", MessageBoxButtons.OK, MessageBoxIcon.Error); } }

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  • Binding search results to data grid

    - by Abid
    I want to add search functionality to my program. There's a class which has this function: public DataTable Search() { string SQL = "Select * from Customer where " + mField + " like '%" + mValue + "%'"; DataTable dt = new DataTable(); dt = dm.GetData(SQL); return (dt); } There are setter and getter properties for mField and mValue. DM is the object of class DataManagement, which has a method GetData: public DataTable GetData(string SQL) { SqlCommand command = new SqlCommand(); SqlDataAdapter dbAdapter = new SqlDataAdapter(); DataTable DataTable = new DataTable(); command.Connection = clsConnection.GetConnection(); command.CommandText = SQL; dbAdapter.SelectCommand = command; dbAdapter.Fill(DataTable); return (DataTable); } The search functionality is currently implemented like this: private void btnfind_Click(object sender, EventArgs e) { //cust is the object of class customer// if (tbCustName.Text != "") { cust.Field="CustName"; cust.Value = tbCustName.Text; } else if (tbAddress.Text != "") { cust.Value = tbAddress.Text; cust.Field="Address"; } else if (tbEmail.Text != "") { cust.Value = tbEmail.Text; cust.Field="Email"; } else if (tbCell.Text != "") { cust.Value = tbCell.Text; cust.Field = "Cell"; } DataTable dt = new DataTable(); dt = cust.Search(); dgCustomer.DataSource = dt; RefreshGrid(); } private void RefreshGrid() { DataTable dt = new DataTable(); dt = cust.GetCustomers(); dgCustomer.DataSource = dt; } This is not working. I don't know why. Please help.

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  • populating one checkedlistbox with another (checkedlistbox)

    - by 8thWonder
    I am having difficulties populating a checkedlistbox (CLB) based on the selection(s) made in another. It should also be noted that I have a "Select All" checkbox at the top that checks/unchecks all of the items in the first CLB. Here's the code: Private Sub chkSelectAll_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles chkSelectAll.CheckedChanged For i As Integer = 0 To clb1.Items.Count - 1 clb1.SetItemChecked(i, chkSelectAll.Checked) Next End Sub Private Sub clb1_ItemCheck(ByVal sender As System.Object, ByVal e As System.Windows.Forms.ItemCheckEventArgs) Handles clb1.ItemCheck Dim i As Integer = clb1.SelectedIndex For j As Integer = 0 To al_2.Count - 1 If i = -1 Then For k As Integer = 0 To al_2.Count - 1 If Not clb2.Contains(al_2(k).sDate) Then clb2.Items.Add(al_2(k).sDate) Else : k += 1 End If Next ElseIf (e.NewValue = CheckState.Checked And al_2(j).sName = al_1(i)) Then clb2.Items.Add(al_2(j).sDate) ElseIf (e.NewValue = CheckState.Unchecked And al_2(j).sName = al_1(i)) Then clbProdBkups.Items.Remove(al_2(j).sDate) End If Next End Sub The first CLB is populated with an arraylist of values on the button click event. Based on whatever is checked in the first CLB, corresponding values from an arraylist of structures should fill the second CLB. The following code partially works until the "Select All" checkbox is clicked at which point one of two things happens: If other values have been selected before "Select All" is checked, the second CLB is filled with the correct number of corresponding values BUT only those of the most recently selected item of the first CLB instead of all of corresponding values of all of the items that were not already selected. When "Select All" is unchecked, the most recently incorrect values are removed, everything in CLB 1 is unchecked but the values in CLB 2 that were selected before "Select All" was checked remain. If "Select All" is checked before anything else is selected, I get an "unable to cast object of type 'System.String' to type 'System.Windows.Forms.Control'" error that points to the following statement from the itemcheck event: If Not clb2.Contains(al_2(k).sDate) Then Any insights will be greatly appreciated. ~8th

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  • How to call a service operation at a REST style WCF endpoint uri?

    - by Dieter Domanski
    Hi, is it possible to call a service operation at a wcf endpoint uri with a self hosted service? I want to call some default service operation when the client enters the endpoint uri of the service. In the following sample these uris correctly call the declared operations (SayHello, SayHi): - http://localhost:4711/clerk/hello - http://localhost:4711/clerk/hi But the uri - http://localhost:4711/clerk does not call the declared SayWelcome operation. Instead it leads to the well known 'Metadata publishing disabled' page. Enabling mex does not help, in this case the mex page is shown at the endpoint uri. private void StartSampleServiceHost() { ServiceHost serviceHost = new ServiceHost(typeof(Clerk), new Uri( "http://localhost:4711/clerk/")); ServiceEndpoint endpoint = serviceHost.AddServiceEndpoint(typeof(IClerk), new WebHttpBinding(), ""); endpoint.Behaviors.Add(new WebHttpBehavior()); serviceHost.Open(); } [ServiceContract] public interface IClerk { [OperationContract, WebGet(UriTemplate = "")] Stream SayWelcome(); [OperationContract, WebGet(UriTemplate = "/hello/")] Stream SayHello(); [OperationContract, WebGet(UriTemplate = "/hi/")] Stream SayHi(); } public class Clerk : IClerk { public Stream SayWelcome() { return Say("welcome"); } public Stream SayHello() { return Say("hello"); } public Stream SayHi() { return Say("hi"); } private Stream Say(string what) { string page = @"<html><body>" + what + "</body></html>"; return new MemoryStream(Encoding.UTF8.GetBytes(page)); } } Is there any way to disable the mex handling and to enable a declared operation instead? Thanks in advance, Dieter

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  • serialport error

    - by I__
    i have the following code: using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; using System.Threading; namespace WindowsFormsApplication1 { public partial class Form1 : Form { public Form1() { InitializeComponent(); } public class ThreadWork { public static void DoWork() { serialPort1.Open(); serialPort1.Write("AT+CMGF=1\r\n"); //Thread.Sleep(500); serialPort1.Write("AT+CNMI=2,2\r\n"); //Thread.Sleep(500); serialPort1.Write("AT+CSCA=\"+4790002100\"\r\n"); //Thread.Sleep(500); serialPort1.DataReceived += serialPort1_DataReceived_1; } } private void Form1_Load(object sender, EventArgs e) { ThreadStart myThreadDelegate = new ThreadStart(ThreadWork.DoWork); Thread myThread = new Thread(myThreadDelegate); myThread.Start(); } private void serialPort1_DataReceived_1(object sender, System.IO.Ports.SerialDataReceivedEventArgs e) { string response = serialPort1.ReadLine(); this.BeginInvoke(new MethodInvoker(() => textBox1.AppendText(response + "\r\n"))); } } } and for all the serialport1 lines i am getting this error: Error 1 An object reference is required for the non-static field, method, or property 'WindowsFormsApplication1.Form1.serialPort1' C:\Users\alexluvsdanielle\AppData\Local\Temporary Projects\WindowsFormsApplication1\Form1.cs 23 17 WindowsFormsApplication1 what am i doing wrong?

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  • Problem with UserControl with custom Dependency Property

    - by Mathias Koch
    Hi, I'm writing a user control with a dependency property for a search text called SearchText. It is a dependency property because I want to allow consumers of the control to use data binding. The user control contains a WPF TextBox where the user can enter the search text. I could use data binding to connect the SearchText dependency property of the user control with the Text dependency property of the TextBox, but this binding only fires when the text box looses input focus. What I want is SearchText to be updated after every change of Text. So I have added a TextChanged event handler to the user control where I set SearchText to the value of Text. My Problem is, the SearchText binding doesn't work, the source never gets updated. What am I doing wrong? Here's the relevant part of the user controls code-behind: public partial class UserControlSearchTextBox : UserControl { public string SearchText { get { return (string)GetValue(SearchTextProperty); } set { SetValue(SearchTextProperty, value); } } public static readonly DependencyProperty SearchTextProperty = DependencyProperty.Register("SearchText", typeof(string), typeof(UserControlSearchTextBox), new UIPropertyMetadata("")); private void TextBox_TextChanged(object sender, TextChangedEventArgs e) { SearchText = ((TextBox)sender).Text; } ... } The window that contains an instance of the user control has its DataContext set to an object that has a property also called SearchText. <uc:UserControlSearchTextBox SearchText="{Binding SearchText}" /> The data context of the Window: public class DataSourceUserManual : DataSourceBase { private string _searchText; public string SearchText { get { return _searchText; } set { _searchText = value; ... OnPropertyChanged("SearchText"); } } } Unfortunately, this setter is not called when I type into the text box. Any ideas?

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  • C# - How to change window state of Form, on a different thread?

    - by Dodi300
    Hello. Does anyone know how I can chage the window state of a form, from another thread? This is the code I'm using: private void button4_Click(object sender, EventArgs e) { string pathe = label1.Text; string name = Path.GetFileName(pathe); pathe = pathe.Replace(name, ""); string runpath = label2.Text; Process process; process = new Process(); process.EnableRaisingEvents = true; process.Exited += new System.EventHandler(process_Exited); process.StartInfo.FileName = @runpath; process.StartInfo.WorkingDirectory = @pathe; process.Start(); WindowState = FormWindowState.Minimized; } private void process_Exited(object sender, EventArgs e) { this.WindowState = FormWindowState.Normal; } It's meant to run a program and minimize, then return to the normal state once the program has closed. Although I get this error "Cross-thread operation not valid: Control 'Form1' accessed from a thread other than the thread it was created on." Any idea how to get this to work? Thanks.

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  • Java: Implement own message queue (threadsafe)

    - by derMax
    The task is to implement my own messagequeue that is thread safe. My approach: public class MessageQueue { /** * Number of strings (messages) that can be stored in the queue. */ private int capacity; /** * The queue itself, all incoming messages are stored in here. */ private Vector<String> queue = new Vector<String>(capacity); /** * Constructor, initializes the queue. * * @param capacity The number of messages allowed in the queue. */ public MessageQueue(int capacity) { this.capacity = capacity; } /** * Adds a new message to the queue. If the queue is full, it waits until a message is released. * * @param message */ public synchronized void send(String message) { //TODO check } /** * Receives a new message and removes it from the queue. * * @return */ public synchronized String receive() { //TODO check return "0"; } } If the queue is empty and I call remove(), I want to call wait() so that another thread can use the send() method. Respectively, I have to call notifyAll() after every iteration. Question: Is that possible? I mean does it work that when I say wait() in one method of an object, that I can then execute another method of the same object? And another question: Does that seem to be clever?

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  • MS Access to sql server searching

    - by malou17
    How to use this code if we are going to use sql server database becaUSE in this code we used MS Access as the database private void btnSearch_Click(object sender, System.EventArgs e) { String pcode = txtPcode.Text; int ctr = productsDS1.Tables[0].Rows.Count; int x; bool found = false; for (x = 0; x<ctr; x++) { if (productsDS1.Tables[0].Rows[x][0].ToString() == pcode) { found = true; break; } } if (found == true) { txtPcode.Text = productsDS1.Tables[0].Rows[x][0].ToString(); txtDesc.Text = productsDS1.Tables[0].Rows[x][1].ToString(); txtPrice.Text = productsDS1.Tables[0].Rows[x][2].ToString(); } else { MessageBox.Show("Record Not Found"); } private void btnNew_Click(object sender, System.EventArgs e) { int cnt = productsDS1.Tables[0].Rows.Count; string lastrec = productsDS1.Tables[0].Rows[cnt][0].ToString(); int newpcode = int.Parse(lastrec) + 1; txtPcode.Text = newpcode.ToString(); txtDesc.Clear(); txtPrice.Clear(); txtDesc.Focus(); here's the connectionstring Jet OLEDB:Global Partial Bulk Ops=2;Jet OLEDB:Registry Path=;Jet OLEDB:Database Locking Mode=0;Data Source="J:\2009-2010\1st sem\VC#\Sample\WindowsApplication_Products\PointOfSales.mdb"

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  • return an ArrayList method

    - by Bopeng Liu
    This is a drive method for two other classes. which i posted here http://codereview.stackexchange.com/questions/33148/book-program-with-arraylist I need some help for the private static ArrayList getAuthors(String authors) method. I am kind a beginner. so please help me finish this drive method. or give me some directions. Instruction some of the elements of the allAuthors array contain asterisks “*” between two authors names. The getAuthors method uses this asterisk as a delimiter between names to store them separately in the returned ArrayList of Strings. import java.util.ArrayList; public class LibraryDrive { public static void main(String[] args) { String[] titles = { "The Hobbit", "Acer Dumpling", "A Christmas Carol", "Marley and Me", "Building Java Programs", "Java, How to Program" }; String[] allAuthors = { "Tolkien, J.R.", "Doofus, Robert", "Dickens, Charles", "Remember, SomeoneIdont", "Reges, Stuart*Stepp, Marty", "Deitel, Paul*Deitel, Harvery" }; ArrayList<String> authors = new ArrayList<String>(); ArrayList<Book> books = new ArrayList<Book>(); for (int i = 0; i < titles.length; i++) { authors = getAuthors(allAuthors[i]); Book b = new Book(titles[i], authors); books.add(b); authors.remove(0); } Library lib = new Library(books); System.out.println(lib); lib.sort(); System.out.println(lib); } private static ArrayList<String> getAuthors(String authors) { ArrayList books = new ArrayList<String>(); // need help here. return books; } }

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  • Is there any Java Decompiler that can correctly decompile calls to overloaded methods?

    - by mihi
    Consider this (IMHO simple) example: public class DecompilerTest { public static void main(String[] args) { Object s1 = "The", s2 = "answer"; doPrint((Object) "You should know:"); for (int i = 0; i < 2; i++) { doPrint(s1); doPrint(s2); s1 = "is"; s2 = new Integer(42); } System.out.println(); } private static void doPrint(String s1) { System.out.print("Wrong!"); } private static void doPrint(Object s1) { System.out.print(s1 + " "); } } Compile it with source/target level 1.1 without debug information (i.e. no local variable information should be present) and try to decompile it. I tried Jad, JD-GUI and Fernflower, and all of them got at least one of the call wrong (i. e. the program printed "Wrong!" at least once) Is there really no java decompiler that can infer the right casts so that it will not call the wrong overload?

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  • How to call Android contacts list?

    - by aZn137
    Hi, I'm making an Android app, and need to call the phone's contact list. I need to call the contacts list function, pick a contact, then return to my app with the contact's name. Here's the code I got on the internet, but it doesnt work. Please help: import android.app.ListActivity; import android.content.Intent; import android.database.Cursor; import android.os.Bundle; import android.provider.Contacts.People; import android.view.View; import android.widget.ListAdapter; import android.widget.ListView; import android.widget.SimpleCursorAdapter; import android.widget.TextView; public class Contacts extends ListActivity { private ListAdapter mAdapter; public TextView pbContact; public static String PBCONTACT; public static final int ACTIVITY_EDIT=1; private static final int ACTIVITY_CREATE=0; // Called when the activity is first created. @Override public void onCreate(Bundle icicle) { super.onCreate(icicle); Cursor C = getContentResolver().query(People.CONTENT_URI, null, null, null, null); startManagingCursor(C); String[] columns = new String[] {People.NAME}; int[] names = new int[] {R.id.row_entry}; mAdapter = new SimpleCursorAdapter(this, R.layout.mycontacts, C, columns, names); setListAdapter(mAdapter); } // end onCreate() // Called when contact is pressed @Override protected void onListItemClick(ListView l, View v, int position, long id) { super.onListItemClick(l, v, position, id); Cursor C = (Cursor) mAdapter.getItem(position); PBCONTACT = C.getString(C.getColumnIndex(People.NAME)); // RHS 05/06 //pbContact = (TextView) findViewById(R.id.myContact); //pbContact.setText(new StringBuilder().append("b")); Intent i = new Intent(this, NoteEdit.class); startActivityForResult(i, ACTIVITY_CREATE); } }

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  • Update C# Chart using BackgroundWorker

    - by Mark
    I am currently trying to update a chart which is on my form to the background worker using: bwCharter.RunWorkerAsync(chart1); Which runs: private void bcCharter_DoWork(object sender, DoWorkEventArgs e) { System.Windows.Forms.DataVisualization.Charting.Chart chart = null; // Convert e.Argument to chart //.. // Converted.. chart.Series.Clear(); e.Result=chart; setChart(c.chart); } private void setChart(System.Windows.Forms.DataVisualization.Charting.Chart arg) { if (chart1.InvokeRequired) { chart1.Invoke(new MethodInvoker(delegate { setChart(arg); })); return; } chart1 = arg; } However, at the point of clearing the series, an exception is thrown. Basically, I want to do a whole lot more processing after clearing the series, which slows the GUI down completely - so wanted this in another thread. I thought that by passing it as an argument, I should be safe, but apparently not! Interestingly, the chart is on a tab page. I can run this over and over if the tabpage is in the background, but if I run this, look at the chart, hide it again, and re-run, it throws the exception. Obviously, it throws if the chart is in the foreground as well. Can anyone suggest what I can do differently? Thanks!

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  • Is this a good or bad way to use constructor chaining? (... to allow for testing).

    - by panamack
    My motivation for chaining my class constructors here is so that I have a default constructor for mainstream use by my application and a second that allows me to inject a mock and a stub. It just seems a bit ugly 'new'-ing things in the ":this(...)" call and counter-intuitive calling a parametrized constructor from a default constructor , I wondered what other people would do here? (FYI - SystemWrapper) using SystemWrapper; public class MyDirectoryWorker{ // SystemWrapper interface allows for stub of sealed .Net class. private IDirectoryInfoWrap dirInf; private FileSystemWatcher watcher; public MyDirectoryWorker() : this( new DirectoryInfoWrap(new DirectoryInfo(MyDirPath)), new FileSystemWatcher()) { } public MyDirectoryWorker(IDirectoryInfoWrap dirInf, FileSystemWatcher watcher) { this.dirInf = dirInf; if(!dirInf.Exists){ dirInf.Create(); } this.watcher = watcher; watcher.Path = dirInf.FullName; watcher.NotifyFilter = NotifyFilters.FileName; watcher.Created += new FileSystemEventHandler(watcher_Created); watcher.Deleted += new FileSystemEventHandler(watcher_Deleted); watcher.Renamed += new RenamedEventHandler(watcher_Renamed); watcher.EnableRaisingEvents = true; } public static string MyDirPath{get{return Settings.Default.MyDefaultDirPath;}} // etc... }

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