Hi, I was wondering if anyone has seen an example of how one can send an HTTPWebRequest, passing in a schema to define what information your sending and <b>have an application, aspx? file retrieve the information, process the request and send a response</b> Kind Regards, Rik...more >>

Howdy - I would like my application to be able to read data from another application. Specifically, I would like my to get the text from the "client area" of another application's window whenever it's processing a WM_PAINT message? Can I do that? I've been searching around MSDN and Google, bu...more >>

I am trying to capture the current line and current column position in a text box, i have successfully created a function that returns the line and column number for display in the status bar e.g. "Ln 2 Col 5", but when do i fire it, i at first tried the TextChanged event, but unfortunately the lin...more >>

I downloaded the attached code from MS. It flips on the "User Cannot Change Password" on a user in AD and works great from a console or windows app, but when put into an ASP.NET app I get a "The security ID structure is invalid." error when trying to assign the new security descriptor. I am ru...more >>

Hello Experts, Currently I am working on a windows application using vs.net 2002. Assume I have two forms, form A and B, where form A is the main form. In form A, I have a button which will load form B when click. The question is how can I open form B in the center of the screen? Thanks...more >>

Hi, I have a requirement were there will be some 3 windows services will be there. But I want only one of this service to hold the control of start, stop and pause features of all this three windows service. Does any one had this kind of sample?Or clues on how to go with this? currentl...more >>

I have a socket-based app running that spawns a different socket for each user and I was looking for a way to optimize it a little better. Currently I keep a collection of active sockets (300 - 400). My plan was to capture the Socket IntPtr Handle when they connect and then each time I needed ...more >>

I am using binary writer to write an array of bytes to disk. However, my data starts out as an array of sbytes. I am currently type casting each array element in a for loop. Is there a faster method for converting an array of sbytes to an array of bytes? Thanks, Darrel...more >>

Is Activator.CreateInstance(t,BindingFlags.Public | = BindingFlags.InvokeMethod | BindingFlags.CreateInstance, null, args, = null) appropriate given the following; ************************************** public interface IPasswordProvider { string GetPassword(Token token); }=20 publ...more >>

Hi everyone, I just wrote a complete shopping cart using DataGrids...etc with capability to edit each item etc. However, the textboxes become their default size when viewed in Netscape/Mozilla. I thought VisualStudio .Net automatically takes care of that. Any suggestions? Thanks Maz....more >>

Is there a way I could run the MS ping application in my application... without the command prompt appearing? -- I am a 14 year old C# developer, I am completely self taught, so please don't get mad if I ask a stupid question. Thanks....more >>

Hi, I want to convert an integer (actuallu the ascii value of a character) to its equivalent Hex value. Can someone suggest, which is the easiest way to do it. Thanks in advance, Al....more >>

I want to access an object that is instantiated in the frmMain method from within a static method. When I try to access this object, I get errors that state "Object reference not set to an instance of an object." I know this is a scope problem, but I don't know how to solve it. My application...more >>

How do I get at the object associated with a horizontal list box scroll bar? I looked in MyListBox.Controls collection and in MyForm.Controls collection. ...more >>

I have created a Multi Dimentional array, but having problems filling it. int mCount=0; mCount=ds.Tables[0].Rows.Count; string[,,] arrayppsa = new string [mCount,1,1]; DataTable myDataTable=ds.Tables[0]; foreach(DataRow myDataRow in myDataTable.Rows) { //Tried thsi to fill, lots o...more >>

IDE: Visual Studio 2003 .Net OS : XP Pro Is there a way to get the handle to a specific node in the treeview based on the value of TreeNode.Tag, without having to travarser through the tree??? to solve the problem, I am trying this (I don't yet know if this is the correct approach): T...more >>

Consider: http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vbcon/html/vbconwhenshouldiimplementinterfacesinmycomponent.asp // Code for the IAccount interface module. public interface IAccount { void PostInterest(); void DeductFees(IFeeSchedule feeSchedule); } class ...more >>

I have a Windows form that may be called with two parameters or three parameters (depending on who's invoking the form). The form was programmed so it received three parameters. How can I create an instance of the form with just two parms? The third parameter is a System.Drawing.Point that is on...more >>

I am writing an FTP client in C# with the help of the functions available in wininet.dll. I was able to get everything to work except the use of the "FtpCommand" function. Basically I am trying to issue the "ALLO" command to a server, but the ALLO command is not availabe in wininet.dll. There...more >>

Hi, Does anybody know is it possible to get the list of the public members of the class during run-time using some trick if the class is, say, unknown or I just want to write some universal method regardless of the members of the class and their quantity? Thanks, Dmitri ...more >>

I'm trying to use ExecuteCommand method of System.ServiceProcess.ServiceController in my C# service controller app to make a custom call to my service. I'm getting this exception and my service never gets my custom message code? What's wrong? Permissions? Can ServiceControllerPermission help so...more >>

I have a webform that I have a datagrid on that I want a button at the bottom of the grid to maintain its position with the datagrid, if the grid grows large then button needs to move down with it, and if it is smaller it needs to move up. Everything regarding anchoring that I have found is with...more >>

I'm looking for a way to suppress the CS0659 compiler warning message about class overrides Equals but does not provide a GetHashCode() override. In C++ VS allows this through the use of the #Pragma statement. Does VS.NET have the equivalent? Gary ... ...more >>

Hi all, a quick ADO.NET question in regards to the command object. What are the advantages (if any) of specifying command parameters when executing a stored procedure over just calling the stored procedure via dynamic SQL? // Pseudo code below using dynamic SQL private void InsertPerson(strin...more >>

I have 2 tables each having a date in column1 and value in column 2. I would like to extract out the common date entries from the 2 tables. Ideally I would do a join in SQL, how do I do something like that in datatables/dataviews etc. regards...more >>

Hi All, I want to strip the accents off characters in a string so that, for example, the (Spanish) word "práctico" comes out as "practico" - but ignoring case, so that "PRÁCTICO" comes out as "PRACTICO". What's the best way to do this? TIA, JON --------------------------------------...more >>

Does anyone know how I could view a WinWord Doc in a WinForm (other than convert to RTF or HTML)? I cannot convert it to RTF because I have drawn lines and they will not come through when converted to RTF. I would rather not convert to HTML because of the ease in changing the format (doc will ...more >>

New to C# and can't quite figure out how to write my update query correctly...(this is actually ASP.NET using C# trying to work with Access - wasn't sure where to post) UPDATE customer SET last_name = "" + txtLast_Name.Text + ""; Access needs quotes around it's strings. I can't figure ...more >>

Hi, I need to create a delete file dialog that is similar to open file dialog. Is there a way to do this? Thanks ...more >>

Hi, I have a treeview and user can right click the treenodes, depending on the nodes, different shortcut menu will appear. I want only the shortcut menu to appear if the point of the right mouse click is within the label text of the treenode instead of row-wide. I solved this proble...more >>

I am populating date and time into a date time, this is for a intra day price series. Would you recommend that I use "string" data type for both date and time. Also how do I query prices for a given date, I did DataRow[] rows = dt.Select("priceDate = 6/1/2004","priceValue"); Could someone ...more >>

Does anyone know if there is a place where you can see the most recent applications that have been run in xp? Does this get written to any kind of log? Tnx, D ...more >>

Which Windows operating systems and service packs include the CLR? ...more >>

can I read and or modify the scroll bar location(value) in data grid?...more >>

I have two objects and one inherits the other and adds a few more properties. Say I populate the first object with the properties, then want to cast it to be the second object, then I would be able to add the extra propety value proerties and save the data based on the new object. Example: O...more >>

Hi I would like a user control/form that can be either called as a dialog (ShowDialog) or embedded in another form (usercontrol). preferably, my dialog/usercontrol accepts an argument that specifies which mode it should be, i.e. embedded or dialog... what is the best way of accomplishing ...more >>

IDE = Visual Studio 2003 .Net OS = XP Pro ********************************** treeviews: Below is an illustration of a treeview with som data... ? Root ? .Net ? C# When I run treeView1.Nodes.Count against the treeview example above I get the value 1. But I thought I ...more >>

I'm using inheritance more than I used to, and I find myself calling a lot of base class methods. I generally call a base method from a dreived class like this: this.MyMethod(); I'm finding it somewhat confusing when I look at the code later, because I expect to find a method called...more >>

Hi, I have always developed in VB, and I usually end up programming all = events and related methods in the form (if I have a GUI application). I = was thinking whether there is a better way of doing this, which is also = more OOP. By reading a Java book, the author said that in Java it is =...more >>

example: want to make 4 buttons on form that represents mouse (move left; right; up; down) - how to process message (button_pressed) to the kernel of windows to move mouse on screen??? (same thing with keybor input? how to perform keybord key_pressed inside the program? (link / idea/ arti...more >>

I desperately need some help in coding how to have a completely ediable datagrid be able to loop through each row and insert into a database table. I am using a stored procedure in the database to do the insert, so I think I just need to figure out how to get it to loop through all the rows on th...more >>

Dear sirs: I'm making an application using C# and i connect through it to a database made by MSSQL server but i have a problem when inserting or updating in the database in arabic that each arabic letter is replaced by a question mark (?) the code i'm using to insert is oleDbDataAdapter1.In...more >>

what's mean? ...more >>

Hi, I need to write out bits that I receive from another process. These are boolean values. I need there to be 8 bits in every byte. I know I could write these bits out as char's using one bit per byte, but that would be space-inefficient. I'm using od (octal dump) to look at a file produce...more >>

How to get datacolumn content to string ...more >>

Hi I'm using XML Serialization for serializing an object=2E I read a= set of records from the database and populate the members of the= object if the value is not null=2E eg=2E, I have an Employee object= which has its members Id,name and address=2E If the Id is not null= then I will pop...more >>

Hi, I have a general DLL "genDLL.dll",this dll open other dlls by calling generalDll.openDll("dll1.dll"). I mad a form with got dll name in new,and then this for open the new dll by calling the openDll function. the problem is when I make more than one instance of this Form from MDI the All for...more >>

Hi I have a service which starts extra threads which take a long time, this is so it can respond to events while long processes are running. I was just wondering, a) if an exception is thrown in a worker thread and it is unhandled, does it bring the whole application down or just the worker t...more >>

HI, I am using Process.RedirectStandardOutput to read the output of a console process, quite successfully. (I am basically just doing "cmd.exe /c dir *.csproj /s /b" to list out all the .csproj files), however, instead of appending >textfile.txt to the end, I can use a StreamReader to read the data...more >>

Anyone have any hints on improving the performance of C# UI? I'm filling a TreeView and ListView with information returned by a SQLDataReader and information read from the Registry. I'm working on improving the SQL Query execution speed, but have no idea how to improve Registry-reading perform...more >>

Hi all, I'm trying to inherit the SimpleWorkerRequest class but cant able to do so. I'm getting an error called "System.Web.Hosting.SimpleWorkerRequest.SimpleWorkerRequest()' is inaccessible due to its protection level" I tried my dervived class with public,internal and private acces-sp...more >>

how to send email by MS outlook express using C# code ...more >>

please , can any body help me ... I was making an application using c# to retrieve from and update a database , I created two ListBoxes ,ListBox 1 is linked by a table column in the database ,and add the selected values from it in ListBox 2 the code : listBox2.Items.Add(listBox1.SelectedIt...more >>

Hi All, How to select a Elliptical area from an image in .NET. regards Suresh...more >>

Dear sirs I`ve some questions to ask concerning C# 1) I`m making my DB using MS-SQl server and connecting to it using C# when I try to save data in the SQL server it saves it appending spaces to its end and so when I try to search for some value in my tables I don`t find it, because it i...more >>

If val is a long, what is the String format conversion of this in c#? TIA! sprintf(retbuf,"%d.%.2d", val/100, val%100); -- William Stacey ...more >>

hi i want to convert a 96 bit binary number into a hexadecimal number. e.g binary number= 001100010001010000100101011110111111010101110100010110000101011000101010000000000000000000000000 how can i do that in C#. also i want to convert a hexadecimal number (24 digits) into a binary numbe...more >>

Why I can't define a void variable ,and how I do that. I waht to define an array[] but I mallock it severals of times and each time with deferent type : byte and word and Duble word. how can I do that? void [] array; got error...more >>

Why the following dataGrid1_KeyPress dataGrid1_KeyDown events doesn't generates ...more >>

Hi all, I need to find out the hex value of a file. Is this possible? I need to be able to quickly access and confirm its extension against its file type (which is as far as i know defined by its hex value). Thanks, /Jonny...more >>

Dear helpers, how do I get the value indeces of items checked in CheckedListBox? I have tried to do this but It doesn't seem work?? foreach(int index in caseIssuesCheckedListBox.CheckedIndices) { for (int i = 0; i < caseIssuesCheckedListBox.Items.Count; i++) { if(caseIssuesCheckedList...more >>

in C/C++ I can use printf("%0.2X",t) to add mack the output wit to parameter, for example if t = 0xA after printf I will get 0x0A. How can I do that in C#. I want to print a hexa number but to be 4 carecters 0x000A insted of 0xA. and also I want to print a bin number but to be 8 carecters 000010...more >>

code: public void Initialize(short [] A1, string [] A2,short [] A3, short [] A4, short [] A5, short RecNo) { DataTable myTable = new DataTable("myTable"); DataColumn colItem0 = new DataColumn("aaa",Type.GetType("System.String")); myTable.Columns.Add(colItem0); DataColumn colIte...more >>