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  • how to rethrow same exception in sql server

    - by Shantanu Gupta
    I want to rethrow same exception in sql server that has been occured in my try block. I am able to throw same message but i want to throw same error. BEGIN TRANSACTION BEGIN TRY INSERT INTO Tags.tblDomain (DomainName, SubDomainId, DomainCode, Description) VALUES(@DomainName, @SubDomainId, @DomainCode, @Description) COMMIT TRANSACTION END TRY BEGIN CATCH declare @severity int; declare @state int; select @severity=error_severity(), @state=error_state(); RAISERROR(@@Error,@ErrorSeverity,@state); ROLLBACK TRANSACTION END CATCH RAISERROR(@@Error, @ErrorSeverity, @state); This line will show error, but i want functionality something like that. This raises error with error number 50000, but i want erron number to be thrown that i am passing @@error, I want to capture this error no at frontend i.e. catch (SqlException ex) { if ex.number==2627 MessageBox.show("Duplicate value cannot be inserted"); } I want this functionality. which can't be achieved using raiseerror. I dont want to give custom error message at back end.

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  • Connecting to Oracle 10g from .NET

    - by Xinus
    I am trying to connect to oracle server located at some IP address but always get error as System.TypeInitializationException: The type initializer for 'Oracle.DataAccess.Client.OracleConnection' threw an exception. --- Oracle.DataAccess.Client.OracleException The provider is not compatible with the version of Oracle client at Oracle.DataAccess.Client.OracleInit.Initialize() at Oracle.DataAccess.Client.OracleConnection..cctor() --- End of inner exception stack trace --- at Oracle.DataAccess.Client.OracleConnection..ctor(String connectionString) at WebApplication1._Default.Page_Load(Object sender, EventArgs e) in C:\Users\Sunil\Documents\Visual Studio 2008\Projects\WebApplication1\WebApplication1\Default.aspx.cs:line 26 Here is a test file using System; using System.Collections; using System.Configuration; using System.Data; using System.Linq; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.HtmlControls; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Xml.Linq; using Oracle.DataAccess.Client; namespace WebApplication1 { public partial class _Default : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { try { string oradb = "Data Source=(DESCRIPTION=(ADDRESS_LIST=" + "(ADDRESS=(PROTOCOL=TCP)(HOST=192.168.1.11)(PORT=1523)))" + "(CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME=ORCL)));" + "User Id=<user id>;Password=<some password>;"; OracleConnection conn = new OracleConnection(oradb); // C# conn.Open(); } catch (Exception ex){ Label1.Text = ex.ToString(); } } } } I have installed 10gR2 client and oracle 10gR2 provider for ASP.NET. Am I missing anything ?

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  • Crystal report error message

    - by Selom
    Hi, ive been dealing with a kind of no error message my application is throwing after the setup has been installed on my machine. The application run fine and generate a report exactly the way i want it. The problem is that after compiling it as set up, it throw this message: System.Runtime.InteropServices.COMException (0x80000000); No error. at CrystalDesisionsReportAppServer.Controllers.DatabaseControllerClass.ReplaceConnection(Object oldConnection, Object newConnection, Object parameterFields, Object crDBOptionUseDefault) at CrystalDecisions.CrystalReports.Engine.ReportDocument.SetDataSourceInternal(Object val, Type type) at CrystalDecisions.CrystalReports.Engine.ReportDocument.SetDataSource(DataSet dataSet) at Presby_Soft.reportFrm.reportFrm_Load(Object sender, EventArgs e) this is the code im using: Private Sub reportFrm_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load If conn.State = ConnectionState.Closed Then conn.Open() End If Try Dim rpt As New CrystalReport1() Dim da As New SQLiteDataAdapter Dim ds As New presbydbDataSet 'Dim cmd As New SQLiteCommand("SELECT personal_details.fn, training.training_level FROM personal_details INNER JOIN training ON personal_details.Staff_ID ='" + detailsFrm.Label13.Text + "'", conn) Dim cmd As New SQLiteCommand("SELECT * FROM personal_details WHERE personal_details.staff_ID='" + detailsFrm.Label13.Text + "'", conn) cmd.ExecuteNonQuery() da.SelectCommand = cmd da.Fill(ds, "personal_details") rpt.Subreports.Item("persoRpt").SetDataSource(ds) CrystalReportViewer1.ReportSource = rpt Catch ex As Exception MsgBox(ex.ToString) End Try conn.Close() End Sub Please help, I really don't know how to go about this problem. Thanks for answering

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  • Linq IQueryable variables

    - by kevinw
    Hi i have a function that should return me a string but what is is doing is bringing me back the sql expression that i am using on the database what have i done wrong public static IQueryable XMLtoProcess(string strConnection) { Datalayer.HameserveDataContext db = new HameserveDataContext(strConnection); var xml = from x in db.JobImports where x.Processed == false select new { x.Content }; return xml; } this is the code sample this is what i should be getting back <PMZEDITRI TRI_TXNNO="11127" TRI_TXNSEQ="1" TRI_CODE="600" TRI_SUBTYPE="1" TRI_STATUS="Busy" TRI_CRDATE="2008-02-25T00:00:00.0000000-00:00" TRI_CRTIME="54540" TRI_PRTIME="0" TRI_BATCH="" TRI_REF="" TRI_CPY="main" C1="DEPL" C2="007311856/001" C3="14:55" C4="CUB2201" C5="MR WILLIAM HOGG" C6="CS12085393" C7="CS" C8="Blocked drain" C9="Scheme: CIS Home Rescue edi tests" C10="MR WILLIAM HOGG" C11="74 CROMARTY" C12="OUSTON" C13="CHESTER LE STREET" C14="COUNTY DURHAM" C15="" C16="DH2 1JY" C17="" C18="" C19="" C20="" C21="CIS" C22="0018586965 ||" C23="BD" C24="W/DE/BD" C25="EX-DIRECTORY" C26="" C27="/" C28="CIS Home Rescue" C29="CIS Home Rescue Plus Insd" C30="Homeserve Claims Management Ltd|Upon successful completion of this repair the contractor must submit an itemised and costed Homeserve Claims Management Ltd Job Sheet." N1="79.9000" N2="68.0000" N3="11.9000" N4="0" N5="0" N6="0" D1="2008-02-25T00:00:00.0000000-00:00" T2="EX-DIRECTORY" T4="Blocked drain" TRI_SYSID="9" TRI_RETRY="3" TRI_RETRYTIME="0" /> can anyone help me please

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  • Weird RecordStore behavior when RecordStoreFullException occurs

    - by Michael P
    Hello everyone! I'm developing a small J2ME application that displays bus stops timetables - they are stored as records in MIDP RecordStores. Sometimes records can not fit a single RecordStore, especially on record update - using setRecord method - a RecordStoreFullException occurs. I catch the exception, and try to write the record to a new RecordStore along with deleting the previous one in the old RecordStore. Everything works fine except of deleting record from RecordStore where the RecordStoreFullException occurs. If I make an attempt to delete record that could not be updated, another Exception of type InvalidRecordIDException is thrown. This is weird and undocumented in MIDP javadoc. I have tested it on Sun WTK 2.5.2, MicroEdition SDK 3.0 and Nokia Series 40 SDK. Furthermore I created a code that reproduces this strange behaviour: RecordStore rms = null; int id = 0; try { rms = RecordStore.openRecordStore("Test", true); byte[] raw = new byte[192*10024]; //Big enough to cause RecordStoreFullException id = rms.addRecord(raw, 0, 160); rms.setRecord(id, raw, 0, raw.length); } catch (Exception e) { try { int count = rms.getNumRecords(); RecordEnumeration en = rms.enumerateRecords(null, null, true); count = en.numRecords(); while(en.hasNextElement()){ System.out.println("NextID: "+en.nextRecordId()); } rms.deleteRecord(id); //this won't work! rms.setRecord(id, new byte[5], 0, 5); //this won't work too! } catch (Exception ex) { ex.printStackTrace(); } } I added extra enumeration code to produce other weird behavior - when RecordStoreFullException occurs, count variable will be set to 1 (if RMS was empty) by both methods - getNumRecords and numRecords. System.out.println will produce NextID: 0! It is not acceptable because record ID can not be 0! Could someone explain this strange behavior? Sorry for my bad English.

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  • LINQ-to-SQL: ExecuteQuery(Type, String) populates one field, but not the other

    - by Daniel Schaffer
    I've written an app that I use as an agent to query data from a database and automatically load it into my distributed web cache. I do this by specifying an sql query and a type in a configuration. The code that actually does the querying looks like this: List<Object> result = null; try { result = dc.ExecuteQuery(elementType, entry.Command).OfType<Object>().ToList(); } catch (Exception ex) { HandleException(ex, WebCacheAgentLogEvent.DatabaseExecutionError); continue; } elementType is a System.Type created from the type specified in the configuration (using Type.GetType()), and entry.Command is the SQL query. The specific entity type I'm having an issue with looks like this: public class FooCount { [Column(Name = "foo_id")] public Int32 FooId { get; set; } [Column(Name = "count")] public Int32 Count { get; set; } } The SQL query looks like this: select foo_id as foo_id, sum(count) as [count] from foo_aggregates group by foo_id order by foo_id For some reason, when the query is executed, the "Count" property ends up populated, but not the "FooId" property. I tried running the query myself, and the correct column names are returned, and the column names match up with what I've specified in my mapping attributes. Help!

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  • Enable DOM Access for Silverlight Web Part in Sharepoint 2010

    - by Bhaskar
    I am hosting a silverlight 3.0 control on my Sharepoint 2010 page. I am using the built-in SilverlightWebPart web part, where I have provided the path for .xap file. Its displaying properly, but when I try to access the System.Windows.Browser, its throwing an error. My code is: public static string GetQueryString(string key) { try { var documentQueryString = (Dictionary<string, string>)System.Windows.Browser.HtmlPage.Document.QueryString; if (documentQueryString.ContainsKey(key)) { return documentQueryString[key].ToString(); } } catch (Exception ex) { return ex.Message; } return string.Empty; } The error I am getting is: The DOM/scripting bridge is disabled. How do I enable this? I know if I host this in a ASP.NET page, I can add the param - <param name="enablehtmlaccess" value="true"/>. I have tried putting this webpart in a "content editor web part", and I have embedded the object tag to call the .xap file and its working totally fine. I need to make it work using the built-in Silverlight web part.

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  • how to group data in a list

    - by prince23
    I need to group data of a list in c# ex: i have a data like this in a list c# i have a class called information.cs with these properties name,school, parent ex data name school parent kumar fes All manju fes kumar anu frank kumar anitha jss All rohit frank manju anill vijaya manju vani jss kumar soumya jss kumar madhu jss rohit shiva jss rohit vanitha jss anitha anu jss anitha now taking this as an input i wanted the output to be formated with a Hierarchical data when parent is all means it is the topmost level kumar fes All. what i need to do here is i need to create an object[0] and then check in list whether kumar exists as a parent in the list if it exista then add those items as under the object[0] as a parent i need to create one more oject under **manju fes kumar anu frank kumar** what i wanted do here is iterate through the list anD then check the parent level based on name school parent kumar fes All -->obj[0] manju fes kumar -->obj1[0] anu frank kumar -->obj1[1] for obj1-- obj[0] will be parent like this i need to genarte a list or observation class anitha jss All-->obj[1] vanitha jss anitha -->obj1[0] anu jss vanitha -->obj2[0] here obj2[0]--obj1[0]--obj[1] will be an parent like this i need to create a list or an observationclass hope my Question is clear what i am trying ask you people. i wanted to know how i can create an observationclass. any help would be really great. hope my question is clear

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  • cast value of a textbox to a textbox in another form

    - by simon
    I'm trying to paste the values from a textbox in form1 to textbox in form2. I did that, but while i upgraded my aplication it stopped to work. I allso need that couse i get an error(incorect data type in conditional statement) when i want to insert a value from a textbox (to a access database) that's not on the form that makes the insert statemen. the code: string textFromForm1; public Form2() { InitializeComponent(); } public void textBox1_TextChanged(object sender, EventArgs e) { } private void button1_Click(object sender, EventArgs e) { using (Form3 obrok = new Form3()) obrok.ShowDialog(); } private void button3_Click(object sender, EventArgs e) { this.Hide(); } private void button2_Click(object sender, EventArgs e) { } private void textBox1_TextChanged_1(object sender, EventArgs e) { } Form1 bmr=new Form1(); int masa; private void Form2_Load(object sender, EventArgs e) { textBox1.Text = bmr.masaTextBox.Text; } the code for insert statement: string conString = "Provider=Microsoft.Jet.OLEDB.4.0;" + "Data Source=C:\Users\Simon\Desktop\save.mdb"; OleDbConnection empConnection = new OleDbConnection(conString); string insertStatement = "INSERT INTO obroki_save " + "([ID_uporabnika],[ID_zivila],[skupaj_kalorij]) " + "VALUES (@ID_uporabnika,@ID_zivila,@skupaj_kalorij)"; OleDbCommand insertCommand = new OleDbCommand(insertStatement, empConnection); insertCommand.Parameters.Add("@ID_uporabnika", OleDbType.Char).Value = users.iDTextBox.Text; insertCommand.Parameters.Add("@ID_zivila", OleDbType.Char).Value = iDTextBox.Text; insertCommand.Parameters.Add("@skupaj_kalorij", OleDbType.Char).Value = textBox1.Text; empConnection.Open(); try { int count = insertCommand.ExecuteNonQuery(); } catch (OleDbException ex) { MessageBox.Show(ex.Message); } finally { empConnection.Close(); textBox1.Clear(); textBox2.Clear(); textBox3.Clear(); textBox4.Clear(); textBox5.Clear(); }

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  • Change the Default Application Pool in IIS7 using .net?

    - by EdenMachine
    I'm using the following function to create a IIS7 Application and/or Virtual Directory. How would I also set the Application to use a different Application Pool? Private Sub CreateVirtualDir(ByVal WebSite As String, ByVal AppName As String, ByVal Path As String, Optional ByVal IsApplication As Boolean = True, Optional ByVal RunScripts As Boolean = True, Optional ByVal IsWrite As Boolean = True) Dim IISSchema As New System.DirectoryServices.DirectoryEntry("IIS://" & WebSite & "/Schema/AppIsolated") Dim CanCreate As Boolean = Not IISSchema.Properties("Syntax").Value.ToString.ToUpper() = "BOOLEAN" IISSchema.Dispose() If CanCreate Then Dim PathCreated As Boolean Try Dim IISAdmin As New System.DirectoryServices.DirectoryEntry("IIS://" & WebSite & "/W3SVC/1/Root") 'make sure folder exists If Not System.IO.Directory.Exists(Path) Then System.IO.Directory.CreateDirectory(Path) PathCreated = True End If 'If the virtual directory already exists then delete it For Each VD As System.DirectoryServices.DirectoryEntry In IISAdmin.Children If VD.Name = AppName Then IISAdmin.Invoke("Delete", New String() {VD.SchemaClassName, AppName}) IISAdmin.CommitChanges() Exit For End If Next VD 'Create and setup new virtual directory Dim VDir As System.DirectoryServices.DirectoryEntry = IISAdmin.Children.Add(AppName, "IIsWebVirtualDir") VDir.Properties("Path").Item(0) = Path If IsApplication Then VDir.Properties("AppFriendlyName").Item(0) = AppName End If VDir.Properties("EnableDirBrowsing").Item(0) = False VDir.Properties("AccessRead").Item(0) = True VDir.Properties("AccessExecute").Item(0) = False VDir.Properties("AccessWrite").Item(0) = IsWrite VDir.Properties("AccessScript").Item(0) = RunScripts VDir.Properties("AuthNTLM").Item(0) = True VDir.Properties("EnableDefaultDoc").Item(0) = True VDir.Properties("DefaultDoc").Item(0) = "default.htm,default.aspx,default.asp" VDir.Properties("AspEnableParentPaths").Item(0) = True 'VDir.Properties("AppCreate").Item(0) = False VDir.CommitChanges() 'the following are acceptable params 'INPROC = 0 'OUTPROC = 1 'POOLED = 2 If IsApplication Then VDir.Invoke("AppCreate", 1) Else VDir.Invoke("AppCreate", False) End If Catch Ex As Exception If PathCreated Then System.IO.Directory.Delete(Path) End If 'MsgBox(Ex.Message) End Try End If End Sub

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  • ASP.NET file transfer from local machine to another machine

    - by Imcl
    I basically want to transfer a file from the client to the file storage server without actual login to the server so that the client cannot access the storage location on the server directly. I can do this only if i manually login to the storage server through windows login. I dont want to do that. This is a Web-Based Application. Using the link below, I wrote a code for my application. I am not able to get it right though, Please refer the link and help me ot with it... http://stackoverflow.com/questions/263518/c-uploading-files-to-file-server The following is my code:- protected void Button1_Click(object sender, EventArgs e) { filePath = FileUpload1.FileName; try { WebClient client = new WebClient(); NetworkCredential nc = new NetworkCredential(uName, password); Uri addy = new Uri("\\\\192.168.1.3\\upload\\"); client.Credentials = nc; byte[] arrReturn = client.UploadFile(addy, filePath); Console.WriteLine(arrReturn.ToString()); } catch (Exception ex) { Console.WriteLine(ex.Message); } } The following line doesn't execute... byte[] arrReturn = client.UploadFile(addy, filePath); This is the error I get: An exception occurred during a WebClient request

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  • Try/Catch with jquery ajax request

    - by Anthony
    I am trying to build a Google Chrome extension that makes an ajax request. Something similar to the GMail Checker extension. The problem is that when I do the request using jquery, and I put in the wrong username/password, it fails silently, with the error callback function ignored. If I move the ajax call out of the background.html script (where I can't see the requests in the developer window), to the options.html script, I get a dialog box to re-authenticate. If I hit cancel, THEN the jquery error callback fires. But in the original model extension (again, the Gmail checker), they use plain (non-jquery) ajax calls with a try/catch, and if I put in the wrong credentials, I get an alert saying as much. I tried wrapping the entire jquery call in a try/catch, like so: try { $.ajax({ type: "POST", url: someurl, contentType : "text/xml", data: somedata, username: user, password: pass, success: function(data,status,xhr){ alert("Hurrah!"); }, error: function(xhr, status, error){ alert("Error!" + xhr.status); }, dataType: "xml" }); } catch(e) { alert("You messed something up!"); } But still nothing. Is the error due to it being asynchronous, or is Chrome not returning the request as an error since it wants to re-prompt for credentials? Or do I just not know how to use try/catch? Update Here is a very slimmed down version of how the model code does the request: var req = new XMLHttpRequest(); req.onreadystatechange = function() { try { if ( req.readyState == 4 ) { //Do some stuff with results } } catch (ex) { alert('Error parsing response.'); } } try { req.send (data); } catch (ex) { alert ('Something went wrong with the request.'); }

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  • AccessViolationException from a combo: Attempted to read or write protected memory

    - by Sparky
    Users are occassionally getting the above error when using our application (VB.Net, Winforms, using v2 of the framework). I'm not able to reproduce it. The callstack is as follows: : System.AccessViolationException: Attempted to read or write protected memory. This is often an indication that other memory is corrupt. at System.Windows.Forms.UnsafeNativeMethods.CallWindowProc(IntPtr wndProc, IntPtr hWnd, Int32 msg, IntPtr wParam, IntPtr lParam) at System.Windows.Forms.NativeWindow.DefWndProc(Message& m) at System.Windows.Forms.Control.DefWndProc(Message& m) at System.Windows.Forms.Control.WndProc(Message& m) at System.Windows.Forms.ComboBox.WndProc(Message& m) at ControlEx.AutoCompleteCombo.WndProc(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m) at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m) at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam) The code for ControlEx.AutoCompleteCombo.WndProc is as follows: Protected Overrides Sub WndProc(ByRef m As System.Windows.Forms.Message) Try If Not m_fReadOnly Then MyBase.WndProc(m) Else Select Case m.Msg Case WM_LBUTTONDOWN, WM_LBUTTONDBLCLK ' do nothing Case Else MyBase.WndProc(m) End Select End If Catch ex As OutOfMemoryException Throw New OutOfMemoryException("Exception during WndProc for combo " & Me.Name, ex) End Try End Sub The error handling was added so we can determine which combo causes the problem when we get an OutOfMemoryException. Any clues as to what causes this would be muchly appreciated! :-)

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  • HttpRequest.BeginWebRequest not executing asynchronously

    - by Shawn Simon
    I have the following code: Private Function CreateRequest() As HttpWebRequest Dim request As HttpWebRequest = HttpWebRequest.Create(_url) request.Method = "POST" request.ContentType = "application/x-www-form-urlencoded" Dim postData As String = String.Join("&", GetPostData().Select(Function(s) String.Format("{0}={1}", s.Key, HttpUtility.UrlEncode(s.Value))).ToArray) Dim data As Byte() = (New ASCIIEncoding).GetBytes(postData) request.Timeout = _maxTimeoutSeconds * 1000 Dim stream = request.GetRequestStream stream.Write(data, 0, data.Length) stream.Close() Return request End Function Public Sub SendAsync(ByVal callback As Action(Of ResponseBase)) Dim request = CreateRequest() _attemptCount += 1 Dim reqID As Integer If _loggingContext IsNot Nothing Then Try reqID = Log.NotesRequest(_url.ToString, GetPostData, _loggingContext) Catch ex As Exception ErrorTracker.LogError(ex) End Try End If Dim responseState As New ResponseState responseState.LoggedNotesRequestID = reqID responseState.Request = request responseState.Callback = callback Dim response = request.BeginGetResponse(New AsyncCallback(AddressOf RespCallback), responseState) End Sub Private Sub RespCallback(ByVal ar As IAsyncResult) Dim responseState As ResponseState = CType(ar.AsyncState, ResponseState) ' Process response... I set up the request to go to a mock server which sleeps for 30 seconds. When I call BeginGetResponse, the application just waits at that line of code for the response. I want it to carry on with the app, and then just run the callback whenever it finishes. This code is run from a web page, and my callback just logs the response and sends an email. I don't want to use to have to wait for the response.

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  • Javamail read multipart emails

    - by Hectai
    Hey! My code is below, and the problem is that some of the emails i get from my POP3 account cannot be read, but with a simple unix email client it can be. It would be very helpful if you can find me what the problem is, or give me some advices. ps.: yes, i have read the tutorials already. String[] messageText = new String[500]; Store store = session.getStore("pop3"); store.connect(host, username, password); Folder inbox = store.getFolder("INBOX"); inbox.open(Folder.READ_ONLY); Message[] messages = inbox.getMessages(); for(int i = 0; i < inbox.getMessageCount() ; i++) { Message m = messages[i]; Object o = m.getContent(); if (o instanceof String) messageText[i] = (String)o; else if(o instanceof Multipart) { Multipart mp = (Multipart)o; int count = mp.getCount(); for(int j = 0; j < count; j++) { BodyPart b = mp.getBodyPart(j); String disposition = b.getDisposition(); if (disposition != null && disposition.equals(BodyPart.ATTACHMENT))) { DataHandler handler = b.getDataHandler(); messageText[i] += "file name : " + handler.getName(); } else { messageText[i] += b.getContent(); } } } } store.close(); } catch(Exception ex) { notif("Failure - " + ex.getMessage()); }

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  • how to group data in a list c#

    - by prince23
    hi, i need to group data of a list in c# ex: i have a data like this in a list c# i have a class called information.cs with these properties name,school, parent ex data name school parent kumar fes All manju fes kumar anu frank kumar anitha jss All rohit frank manju anill vijaya manju vani jss kumar soumya jss kumar madhu jss rohit shiva jss rohit vanitha jss anitha anu jss anitha now taking this as an input i wanted the output to be formated with a Hierarchical data when parent is all means it is the topmost level kumar fes All. what i need to do here is i need to create an object[0] and then check in list whether kumar exists as a parent in the list if it exista then add those items as under the object[0] as a parent i need to create one more oject under **manju fes kumar anu frank kumar** what i wanted do here is iterate through the list anD then check the parent level based on name school parent kumar fes All -->obj[0] manju fes kumar -->obj1[0] anu frank kumar -->obj1[1] for obj1-- obj[0] will be parent like this i need to genarte a list or observation class anitha jss All-->obj[1] vanitha jss anitha -->obj1[0] anu jss vanitha -->obj2[0] here obj2[0]--obj1[0]--obj[1] will be an parent like this i need to create a list or an observationclass hope my Question is clear what i am trying ask you people. i wanted to know how i can create an observationclass any help would be really great thanks prince hope my question is clear

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  • How to migrate from XslTransform to XslCompiledTransform

    - by Atara
    I have the following code that I need to migrate from VS 2003 (.Net 1.1) to VS 2008 (.Net 2+) but I get compilation error - System.Xml.Xsl.XslTransform' is obsolete: This class has been deprecated. I probably need to use System.Xml.Xsl.XslCompiledTransform instead. but I do not find the matching Load() and Transform() overload versions that I can use with all the parameters of my original code. in MSDN [How to: Migrate Your XslTransform Code] I only found some simpler cases. http://msdn.microsoft.com/en-us/library/aa983475%28VS.80%29.aspx but in my code I see some remarks that hints that the added parameters were used to avoid exceptions, so I prefer to use these parameters. Can someone please help migrating this code? Thanks, Atara ' ---------------------------------------------------------------------- ' VS 2003 code: ' ---------------------------------------------------------------------- . . . Dim myXslDoc As Xml.XmlDocument ' ---------------------------------------------------------------------- Public Sub mcSetParameters(ByVal srcFileName As String) ' ---------------------------------------------------------------------- Me.myXslDoc = New Xml.XmlDocument Me.myXslDoc.Load(srcFileName) End Sub ' ---------------------------------------------------------------------- Public Sub mcSetHtml() ' ---------------------------------------------------------------------- Dim oXPathNav As System.Xml.XPath.XPathNavigator = xmlDoc.DocumentElement.CreateNavigator() Dim sbContent As New System.Text.StringBuilder Dim swContent As New System.IO.StringWriter(sbContent) Dim args As New System.Xml.Xsl.XsltArgumentList args.AddParam("paramName1", "", paramVal1.ToString) args.AddParam("paramName2", "", paramVal2.ToString) Try ' Try to avoid "Invalid site" exception, by using XmlUrlResolver and Evidence. ' If the XSLT stylesheet . . . comes from a code base that you trust, Then use Me.GetType().Assembly.Evidence() Dim resolver As System.Xml.XmlUrlResolver = New System.Xml.XmlUrlResolver resolver.Credentials = System.Net.CredentialCache.DefaultCredentials Dim xslt As System.Xml.Xsl.XslTransform = New System.Xml.Xsl.XslTransform xslt.Load(Me.myXslDoc, resolver, Me.GetType().Assembly.Evidence()) xslt.Transform(oXPathNav, args, swContent, Nothing) Catch ex As Exception Debug.WriteLine("Exception: {0}", ex.ToString()) End Try DoSomething(sbContent.ToString()) End Sub ' ----------------------------------------------------------------------

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  • SubmitChanges doesn't save but removes inserts from change set, no errors

    - by winston schröder
    Hi Everybody, I have a deeper question regarding debug functionality of Linq to Sql SubmitChanges() Function. I want to save a record in a table of a locally cached db (localdbcache: server SqlExpress 2008 client SqlCE). Before calling SubmitChanges I can find the new item via DataContext.GetChangeSet(). After calling Submit Changes, the items to insert have been removed from the ChangeSet. (That's what this function is supposed to do.) There are no Changes Conflicts and no error in the db's log output. No Exception at all. The table's Count stays at the same value. if ((e.Parameter == null) || (!e.Parameter.GetType().Equals(typeof(LibDB.Client.Vehicles)))) return; LibDB.Client.Vehicles tmp = e.Parameter as LibDB.Client.Vehicles; try { ChangeSet cs = this._dc.GetChangeSet(); if ((tmp == null) || (this._dc == null)) return; if (this._dc.Vehicles.Where(veh => veh.Vin == tmp.Vin).Count() == 0) this._dc.Vehicles.InsertOnSubmit(tmp); else if (this._dc.Vehicles.Where(veh => veh.Vin == tmp.Vin).Count() == 1) this._dc.Vehicles.Attach(tmp, true); else return; using (TransactionScope ts = new TransactionScope()) { try { this._dc.SubmitChanges(); //this._dc.Refresh(RefreshMode.OverwriteCurrentValues, this._dc.Vehicles); } catch (Exception ex) { Console.WriteLine(ex.Message); } } if (this._dc.Vehicles.Where(veh => veh.Vin == tmp.Vin).Count() == 1) MessageBox.Show("Vehicle not saved."); this.vehSelector.ResetLayout(); } I would appreciate any help since I'm loosing hope to find any error, Thanks in Advance Winston

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  • C# Active Directory - Check username / password

    - by Michael G
    I'm using the following code on Windows Vista Ultimate SP1 to query our active directory server to check the user name and password of a user on a domain. public Object IsAuthenticated() { String domainAndUsername = strDomain + @"\" + strUser; DirectoryEntry entry = new DirectoryEntry(_path, domainAndUsername, strPass); SearchResult result; try { //Bind to the native AdsObject to force authentication. DirectorySearcher search = new DirectorySearcher(entry) { Filter = ("(SAMAccountName=" + strUser + ")") }; search.PropertiesToLoad.Add("givenName"); // First Name search.PropertiesToLoad.Add("sn"); // Last Name search.PropertiesToLoad.Add("cn"); // Last Name result = search.FindOne(); if (null == result) { return null; } //Update the new path to the user in the directory. _path = result.Path; _filterAttribute = (String)result.Properties["cn"][0]; } catch (Exception ex) { return new Exception("Error authenticating user. " + ex.Message); } return user; } the target is using .NET 3.5, and compiled with VS 2008 standard I'm logged in under a domain account that is a domain admin where the application is running. The code works perfectly on windows XP; but i get the following exception when running it on Vista: System.DirectoryServices.DirectoryServicesCOMException (0x8007052E): Logon failure: unknown user name or bad password. at System.DirectoryServices.DirectoryEntry.Bind(Boolean throwIfFail) at System.DirectoryServices.DirectoryEntry.Bind() at System.DirectoryServices.DirectoryEntry.get_AdsObject() at System.DirectoryServices.DirectorySearcher.FindAll(Boolean findMoreThanOne) at System.DirectoryServices.DirectorySearcher.FindOne() at Chain_Of_Custody.Classes.Authentication.LdapAuthentication.IsAuthenticated() at System.DirectoryServices.DirectoryEntry.Bind(Boolean throwIfFail) at System.DirectoryServices.DirectoryEntry.Bind() at System.DirectoryServices.DirectoryEntry.get_AdsObject() at System.DirectoryServices.DirectorySearcher.FindAll(Boolean findMoreThanOne) at System.DirectoryServices.DirectorySearcher.FindOne() at Chain_Of_Custody.Classes.Authentication.LdapAuthentication.IsAuthenticated() I've tried changing the authentication types, I'm not sure what's going on. See also: http://stackoverflow.com/questions/290548/c-validate-a-username-and-password-against-active-directory

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  • Problem with WCF Streaming

    - by H4mm3rHead
    Hi, I was looking at this thread: http://stackoverflow.com/questions/1935040/how-to-handle-large-file-uploads-via-wcf I need to have a web service hosted at my provider where i need to upload and download files to. We are talking videos from 1Mb to 100Mb hence the streaming approach. I cant get it to work, i declared an Interface: [ServiceContract] public interface IFileTransferService { [OperationContract] void UploadFile(Stream stream); } and all is fine, i implement it like this: public string FileName = "test"; public void UploadFile(Stream stream) { try { FileStream outStream = File.Open(FileName, FileMode.Create, FileAccess.Write); const int bufferLength = 4096; byte[] buffer = new byte[bufferLength]; int count = 0; while((count = stream.Read(buffer, 0, bufferLength)) > 0) { //progress outStream.Write(buffer, 0, count); } outStream.Close(); stream.Close(); //saved } catch(Exception ex) { throw new Exception("error: "+ex.Message); } } Still no problem, its published to my webserver out on the interweb. So far so good. Now i make a reference to it and will pass it a FileStream, but the argument is now a byte[] - why is that and how do i get it the proper way for streaming? Edit My binding look like this: <bindings> <basicHttpBinding> <binding name="StreamingFileTransferServicesBinding" transferMode="StreamedRequest" maxBufferSize="65536" maxReceivedMessageSize="204003200" /> </basicHttpBinding> </bindings> I can consume it without problems, and get no errors - other than my input parameter has changed from a stream to a byte[]

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  • C# XMLRPC Multi Threaded newPost something is not right

    - by user1047463
    I recently decided to get my feet wet with c# multi threading and my progress was good until now. My program uses XML-RPC to create new posts on wordpress. When I run my app on the localhost everything works fine and i successfully able to create new posts on wordpress using a multi threaded approach. However when I try to do the same with a wordpress installed on a remote server , new posts won't appear, so when i go to see all posts, the total number of posts remains unchanged. Another thing to note is the function that creates a new post does return the ID of a supposedly created posts. But as I mentioned previously the new posts are not visible when I try to access them in admin menu. Since I'm new to the multithreading I was hoping some of you guys can help me and check if I'm doing anything wrong. Heres the code that creates threads and calls create post function. foreach (DataRow row in dt.Rows) { Thread t = null; t = new Thread(createPost); lock (t) { t.Start(); } } public void createPost() { string postid; try { icp = (IcreatePost)XmlRpcProxyGen.Create(typeof(IcreatePost)); clientProtocol = (XmlRpcClientProtocol)icp; clientProtocol.Url = xmlRpcUrl; postid = icp.NewPost(1, blogLogin, blogPass, newBlogPost, 1); currentThread--; threadCountLabel.Invoke(new MethodInvoker(delegate { threadCountLabel.Text = currentThread.ToString(); })); } catch (Exception ex) { MessageBox.Show( createPost ERROR ->" + ex.Message); } }

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  • Debugger Visualizer, ElementHost, and Edit and Continue problems

    - by Frank Fella
    I recently wrote a custom Debugger Visualizer for Visual Studio 2008 for one of the custom types in my application. The UI for the visualizer is written in WPF and is hosted in an element host and shown using the IDialogVisualizerService windowService object. Everything works great, and my visualizer loads and shows the relevant information, but if try to "edit and continue" in my application after loading the visualizer, Visual Studio crashes with no useful error message. In trying to debug this I removed almost all of my code from the solution to the point where I was only serializing a string with the ObjectSource and displaying just an empty element host and I still get the crash on edit and continue. If I remove the element host and show a WinForms control or form there is no crash. Here is the Visualizer code: using System; using System.Drawing; using System.IO; using System.Runtime.Serialization.Formatters.Binary; using System.Windows.Forms; using System.Windows.Forms.Integration; using Microsoft.VisualStudio.DebuggerVisualizers; using ObjectVisualizerShared; using ObjectVisualizerUI; namespace ObjectVisualizer { public class Visualizer : DialogDebuggerVisualizer { protected override void Show(IDialogVisualizerService windowService, IVisualizerObjectProvider objectProvider) { try { Stream stream = objectProvider.GetData(); if (stream.Length > 0) { BinaryFormatter formatter = new BinaryFormatter(); VisualizerNode node = (VisualizerNode)formatter.Deserialize(stream); if (node != null) { VisualizerWindow window = new VisualizerWindow(node); ElementHost host = new ElementHost(); host.Child = window; host.Dock = DockStyle.Fill; host.Size = new Size(800, 600); windowService.ShowDialog(host); } } } catch (Exception ex) { MessageBox.Show(string.Format("Error!\n{0}", ex), "Object Visualizer"); } } } } Any ideas?

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  • MediaWiki installed on virtual server accessed through Apache ProxyPass

    - by Eugen Mihailescu
    Note: where you will see "xttp" actualy is "http" but stackoverflow rules do not allow me to use more than 1 hyperlink in one post because I do not have enough "credit" to do that :) INTRODUCTION Hi, I have installed a MediaWiki 1.15.3 software on a private LAN on a Linux box (CentOS 5), with: Apache 2.2.3, PHP 5.1.6, MySQL 5.0.45. Let's name this Linux box "wiki box". Public users can't access this wiki as it is hosted on a private LAN. For external users (the Internet users) we have a Linux router (with Apache 2.0.52) where we host our website (ex: xttp://www.cubique.ro). Let's name this Linux box "router". WHAT I WANT What I want to do is: to create a virtual domain (as xttp://wiki.cubique.ro) on the "router" setup the virtual domain to forward all xttp requests to my private "wiki box" (ex: xttp://192.168.0.200/wiki_root/) WHAT I'VE DONE ALREADY On router's Apache (httpd.conf) I have created a VirtualHost as: < VirtualHost 0.0.0.0:80 ServerName wiki.cubique.ro DocumentRoot /someinternalpath/html ScriptAlias /cgi-bin /someinternalpath/cgi-bin ... Well, after I have navigate at wiki.cubique.ro I saw a blank web page, as /someinternalpath/html has an empty index.htm page. No problem, I know that I have to "teach" the router to pass all the access of virtual domain (wiki.cubique.ro) to the wiki box, where the real pages are stored. So I teach the Apache to ProxyPass the access of virtual domain root to the wiki box root like this: ...the following lines lies in the same virtual domain definition, see above ProxyPass / xttp://192.168.0.200/wiki/ ProxyPassReverse / xttp://192.168.0.200/wiki/ < /VirtualHost WHAT IS THE ISSUE If I access the wiki using the internal address (such as xttp://192.168.0.200/wiki/) it looks splendid (style sheets, everything). When I access the wiki using the virtual domain name ( xttp://wiki.cubique.ro ) it shows the content but no style sheet. Worse than that, no internal wiki links are working at all. Make a try: http://wiki.cubique.ro FINALLY, THE QUESTION Anyone has a clue how to deal with this? Thanks.

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  • Worksheet.Unprotect - Office Interop - Difference between 2003 and 2007

    - by sdmcnitt
    I have a .NET winforms app that automates Excel and checks for a worksheet password. The requirements are to be able to detect 1) that the protection is turned off 2) that the password is removed (protected but there is no password) 3) that the password matches the correct password from a database To meet the second requirement the program calls the Worksheet.Unprotect command with a null string, capturing the error. If error as expected, the 3rd check is made. If no error, then the Unprotect worked without a password == password was removed. The code sample below has these checks. The application can do this fine with Office 2003. I have since had my dev machine updated to Office 2007 and it no longer works as it did. When I call the Worksheet.Unprotect, Excel prompts for the password! I need to know how this should be accomplished in the new version of Excel or if there is a way to reference the old PIA. No matter what if I set a reference to Excel 11 it is replaced with the PIA for 12 in the GAC. 'return true if unprotect of worksheet does not generate an error 'all other errors will bubble up 'return false if specific error is "Password is invalid..." Try 'detect unprotected or no password If oWorksheet.ProtectContents Then 'try with no passsword and expect an error 'if no error then raise exception Dim blnRaiseException As Boolean = True Try 'oWorksheet.Unprotect(vbNullString) oWorksheet.Unprotect() Catch ex As Exception blnRaiseException = False End Try If blnRaiseException Then Throw New ExcelSheetNoPasswordException End If oWorksheet.Unprotect(strPwd) 'no error so if we get here -- success fnCheckWorksheetPwd = True 'leave as it was -- this may still cause workbook to think it is changed oWorksheet.Protect(strPwd) Else Throw New ExcelSheetNotProtectedException End If Catch COMex As System.Runtime.InteropServices.COMException 'handle error code -2146827284 If COMex.ErrorCode = -2146827284 Then 'this is the error we're looking for Else Throw End If Catch ex As Exception Throw End Try

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  • What could be causing a "Cannot access a disposed object" error in WCF?

    - by Nima
    I am using the following code: private WSHttpBinding ws; private EndpointAddress Srv_Login_EndPoint; private ChannelFactory<Srv_Login.Srv_ILogin> Srv_LoginChannelFactory; private Srv_Login.Srv_ILogin LoginService; The Login is my constructor: public Login() { InitializeComponent(); ws = new WSHttpBinding(); Srv_Login_EndPoint = new EndpointAddress("http://localhost:2687/Srv_Login.svc"); Srv_LoginChannelFactory = new ChannelFactory<Srv_Login.Srv_ILogin>(ws, Srv_Login_EndPoint); } And I'm using service this way: private void btnEnter_Click(object sender, EventArgs e) { try { LoginService = Srv_LoginChannelFactory.CreateChannel(); Srv_Login.LoginResult res = new Srv_Login.LoginResult(); res = LoginService.IsAuthenticated(txtUserName.Text.Trim(), txtPassword.Text.Trim()); if (res.Status == true) { int Id = int.Parse(res.Result.ToString()); } else { lblMessage.Text = "Not Enter"; } } catch (Exception ex) { MessageBox.Show(ex.Message); } finally { Srv_LoginChannelFactory.Close(); } } When the user enters a valid username and password, everything is fine. When the user enters a wrong username and password, the first try correctly displays a "Not Enter" message, but on the second try, the user sees this message: {System.ObjectDisposedException: Cannot access a disposed object. Object name: 'System.ServiceModel.ChannelFactory`1[Test_Poosesh.Srv_Login.Srv_ILogin]'. at System.ServiceModel.Channels.CommunicationObject.ThrowIfDisposed() at System.ServiceModel.ChannelFactory.EnsureOpened() at System.ServiceModel.ChannelFactory`1.CreateChannel(EndpointAddress address, Uri via) at System.ServiceModel.ChannelFactory`1.CreateChannel() How can I fix my code to prevent this error from occurring?

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