Software Development Forum

Hi, I currently have a dataGridView which is populated with data. However, I now need to be able to add or edit the data in that dataGridView and the changes then update my SQL database. My code for the dataGridView [code] private void main_Load(object sender, EventArgs e) { //create the …

Hi, When I call a method(present in external DLL) through [B]reflection [/B]which having [B]no parameters[/B] and [B]void return[/B] ,it get called fine but in same DLL when I call a method which have [B]no parameters[/B] but [B]return type Datatable[/B] then I got the [B]'TargetInvocation'[/B] exception. Can anybody help me ?

hi, i want to solve 3 equations, which has 3 unknowns like this: a x1^2 + bx1 + c = y1 a x2^2 + bx2 + c = y2 a x3^2 + bx3 + c = y3 can anybody suggest mw how can i do it in C? i tried …

dear all I am trying to send a mail using Web.Mail in vb.net. It is working fine but when I try to attach the file using Upload File Control of asp.net, event is not getting fired on which the function is getting called to send mail.. sending the code too. …

Dear Sir/Madam I have a program where I have used a small form as Input / Message Box in place of VB’s InputBox / MsgBox in a click event procedure i.e CmdSave_Click(). Though the code lines are executing in that procedure at a time, the global variable GblBox is not …

I am trying to consume a web service using VS2008. The code below works in VS2005 but not VS2008 I, suspecting it's to do with WCF. Please can someone help me to solve the puzzle? 'Old code that works [CODE] Dim o As New MyWebService.Name Dim pr As New System.Net.WebProxy("100.0.1.1", …

hi everyone, is there any way that I can programatically tell the user weather he/she is successfully connected to the database(SQL Server 2005). or connection failed. Code is written in C#. [code] string Connectionstring = "...."; sqlConnection con = new sqlConnection(Conncetionstring); con.Open(); [/code] how I can check programatically weather con.Open() …

Hi I have two python lists. list1 is a \n delimited web proxy log file. list2 is a list of domain names. I want to cycle through the list of domain names and for every log file entry check if the domain name exists anywhere in the log entry. If …

Hello/Hi, I m new to this pool of C. I wass just reading a book named "C TUTOR" this book is gr8.. but i cannot understand the subscripts of 2D arrays... I find them pretty hard.. Plz tell me wat exactly the below programme mean of suggest me some simple …

Hi, I am trying to compare 2 vectors to remove any kind of overlap. I have written a simple program but it gives a segmentation fault once I increase / decrease number of vector elements in both. Is there a better way of doing this. Especially suppose one of the …

i want that when i click NewToolstripbutton it run active child form newbutton procedure Note: newbutton is a userdefine Procedure. Help if any body known Ammad Iqbal

hi, i have created a program but don't know what to do. The condition is when text1.text = empty or it has no value then there would be a msgbox popping out. and for the else, there would be no msgbox popping out. i really don't know what's the code, …

My brain hurts again. I want to take a collection of PointF objects and crate a path that is the outer perimiter of the collection, so that I don't get a criss-cross problem. I'm assuming no wierd shapes with undercuts; just a collection of 'border' points. The best I could …

Hey guys :) I have been working on an MMORPG for the sole purpose of education recently because i want to start computer science at University in a couple of years and be really prepared for it (i'm only 17 this year) So far i have basically all the networking …

Hi, I'm finding generic container like vector but that can hold any variable just like a Python list. Thanks

Hi i'm creating my Data Access Layer and I want to return my object but not all the fields so this is the code i'm using [CODE] Public Function BasicSearchProposals(ByVal searchvalue As String) As IEnumerable(Of DCProposal) Dim dc As New PPDataContext() Dim proposals = From p In dc.DCProposals _ Where …

Hi, I'm new to this forum. I have a question regarding outputting to .txt file. [CODE]while($file =<DNAFILE>) { open FILE, ">newseq.txt"; my $dna = fasta($file); my $newseq = mutationdna($dna,$years); print FILE $newseq; #this does not work. how do I fix it? print $newseq; # this work }[/CODE] The outputting to …

Why are you able to declare them using the class keyword or typename keyword? Is there absolutley no difference? Thanks

[B]I am just a beginner and i would like to send sms using 5800 nokia piece. What i would like to do is send "at" command to mobile and read response "OK" from the port(sent by the mobile). I can send commands and get response through hyperterminal but it is …

I downloaded a dll for head tracking, and have been trying to use it for some time now. I am trying to make a python script that uses it and am getting errors. [URL="http://www.daniweb.com/forums/thread265466.html"]This is the post.[/URL] I posted it in the python forums, and no replies yet, since this …

I've been working on facial recognition and have obtained a dll that can recognize faces in an image, and gives cordinates aswell. It came with an example program written in C++ and I'm trying to port it to python. Here is the C++ code [CODE] #include "windows.h" #include "loadbmp.h" // …

Hello Everyone, I am developing a kernel module which acts as a sniffer and also a module which edits the TCP packet window size as per requirement of the admin. And in the process I developed this kernel module which is tainting my kernel (Opensuse11.2).The sniffing module developed by me …

Having problem setting JTextFields on a passed object. System.out suggests that all parameters are correct. Am I working with the KeyCards Object wrong? (keycards just builds Panel and components) netbeans project attached. The problem to be solved is in the keycards package. XMLReaderProgressions.java and FillJTextFieldsFromGetters.java Every part of this code …

This seems to be a common error, but I can't quite get it fixed in my case. The basic operation of my database / form is: Get search value Retrieve record Display record The form has two combo boxes and several text fields. Each of the combo boxes allows the …

Hey all I am currently practicing my error handling processes and am having trouble filling up a combobox with a list of all the countries so that the user can choose what country they are located in. What I am creating is something like a registration form. I found an …

Hello all! This is my first post to community! I've been writing a program in C++ (not MFC) to get a NTFS ADS file and copy it to desktop. If you don't know what ADS file is, you don't really have to matter, let's say that this program must just …

Hi all, I'm doing a 3d pacman game for a university project which has to be written in c++ (3rd year and having never been taught any c++) My problem is that when I initialise the map array I cannot return the value back to the main method. The values …

I need to check if a float number has decimals or not. This is what I've tried to do this far but it doesn't seem to work. What am i doing wrong, is there a better way? [CODE] n =[1.0,2.0,3.0,4.0,5.0,6.0,7.0,8.0,9.0,10.0] a = [1.5,2] b = a[0] for i in range(len(n)): …

Hi guys, I'm having trouble using a pointer to a vector<float>, it doesn't seems to be responding as I'm expecting it to. Probably a silly mistake on my behalf, but would anyone kindly point it out please. [code] vector<float>* t_matrix; ... cout << "get_t_matrices 0: " << Character::anim.get_animations()[j].get_t_matrices()[0].size() << endl; …

Hi! I would like to split vector elements into the two vectors. One output vector shall contain elements that, for instance, are odd, and another output vector shall contain even elements (actually the case is more complicated;). I wrote something like this: [CODE] typedef vector<int> ItemVec; static bool isOdd(const int …

I am currently creating a registration form and it contains error handling processes for the text boxes, like certain characters are only allowed in a certain textbox and so on. So for my first try I tried creating an algorithm that will check if the user only enters letters from …

Ok, so I am loading data from an XML file into a dataGridView. I have several entries in the XML file and would like each one to create a button next to it. After some searches it looks like I either have to put it in a <code> or <c> …

Hello everyone... I have 2 questions and it would be great if you guys can help me on these. I wrote a factorial program and it works already. The problem is when it comes to higher outputs. For example: 11 P 5 = 55440 // this works so far but …

hey guys! i am new to c++ and i need help with the following code. we are suppose to write a program and check if a word is palindrome or not. [CODE]#include <iostream> using namespace std; int IsPalindrome(int []); void main() { char word[25]; cout <<" Enter a word: "; …

Dear All, I am trying to code a multistage timer which prints out a line of text. The timer countdowns from a certain point in time and then prints out a line at times defined in an array. The array is sizable so there is no fixed length. The user …

I wanted to delete all of the TextBoxes that I put on a form that start with "tbx". The below code only deleted some of them. [CODE] For Each ctl As Control In Panel1.Controls If ctl.Name.StartsWith("tbx") Then ctl.Dispose() End If Next [/CODE] So, I took it a step further in …

Hi everyone, I'm using WPF to make a nice UI for a completely automated system (to the point where there are no interactive controls what-so-ever) that downloads media from the net and learns from it. I've got a class that I've created which acts as an entry point to the …

vb.net: I have a task to take the given xsd file and use that to validate my generated xml file. But now this xsd file has complex type attributes and I cant get to append this complex type to my declared xmlnode. [U]My Code:[/U] [CODE]Dim namespaceURI As String = "http://www.blabla.za" …

I have read some documentation about python, but no examples on how could you can extract Keys from a double dictionary. To understand better here is an example: Let's say we have the following dictionary: {'AAA': {'KEY1':'text1', 'KEY2':'text2', 'KEY3:' 'text3', 'KEY4': 'text4'}, 'BBB': {'BBB1':{'KEY1':'text1', 'KEY2':'text2', 'KEY3:' 'text3', 'KEY4': 'text4'}, 'BBB2':{'KEY1':'text1', …

Hi, I am a little newbie with python, more use of C++ The goal is to search a specifed filename e trought multiple directories. After finding the file, search trough it's content some description on some strings and write out the description on a xml file. So far i manage …

Hi techies, I am new into C++. I like to write a program that generates all the primes number between 1 and 100. Below is the code I have written but brings no output. Thanks for any help... [CODE]//A program that generates all of the prime numbers between 1 and …

Hi guys, Anybody know how to generate checkboxes dynamically if i want to generate them with the result i have fetched from a database query. The query would be like that, SELECT calltype From table Where phone_no=123456; Now result of this query will vary everytime, there total number of checkboxes …

I have written a script that schedules an application via the AT command. Now i need to know a way an another script can delete only that particular task. Theres no way to know what is the id ( since it cannot be specified in the AT command when scheduling …

I am having trouble with this array. I need to sort the second column in descending order. Please have a look and tell me where I went wrong. Much appreciated. [CODE]const int sizex=20; const int sizey=2; void descend(int arrayx[][sizey],int sizex,int sizey); void printarray(int arrayx[][sizey],int sizex,int sizey); int main() { int …

Hi, so I'm currently porting one of my applications (it's a media player) from Tkinter to wxPython and I am having some trouble as this is the first wx application I have attempted. I am trying to create something similar to [URL="http://i189.photobucket.com/albums/z266/Capn_Soul/DesiredLook.jpg"]this[/URL]. However, I can't figure out the wxPython code …

hi, please help me on how to use the textfield_change can you give me an example on this so that i will know how to use this..thanks in advance...hoping for your positive responds....

hi guys i am a beginner to python. Just now completed a few sets of lessons and i'm trying out the exercises given at the end of each chapter. I have learned till the stage of basics in defining a function. But still i am confused. [code] ##This program runs …

Hi guys Good day. I just want to ask help on how to hide the start menu and prohibit access to it as well as the task manager and the date and time when the form loads, and restore it back when the form terminate without restarting the computer. Thank …

This is an assignment I have and i'm running into problems on this part of it. I need to assign the value I get from scanner input = to a variable in another class. After I do that, I need to be able to call a method that will display …

arrgh. I've been messing around with displaying a serial feed in PyGTK. For some reason whenever I thread the little bugger the GUI hangs. YES, I've read the PyGTK FAQ (most of my code came from it) Any help would be really appreciated! [CODE] import threading, thread import gobject, gtk, …