Software Development Forum

Hi friends, Using VB.Net 2005, I have a datagrid to enter purchased items with quantity and purchase price, and calculates the total cost for each row (item). It looks something like this: RecordID-------ItemID-------Qty------UnitPrice-----------ItemTotal 1 ------------- 1000 ------- 2 --------- 10 ----------------- (20) 2 ------------- 1004 ------- 5 --------- 30 ----------------- …

So, I've been coding C++ for a while now, and in that time I've of course surfed the web a fair bit. Is it just me, or does everybody on the internet just hate conio.h's _getch()? I've seen a lot of forums where people are asking the best way to …

Whenever I step through my code, visual studio will step into things like string, and the new operator. When it does this it also leaves a tab for the file open at the top. Is there a way to configure it to only step into code that is loaded in …

i keep some formatting data in an array of structs. it is a very long array. is it better to keep this information in another class and inherit from this class or is it better to not inherit from this class but create an instance of that class and use …

Hello I am working on a simple calculator program for school. I already have all the button clicks working, which is all that was required. I thought it would be cool if I could get it to where you could use the keyboard for entry and I've done similar things …

In microsoft word we can add a textbox o document. Is there a way to add the same in rtb in vb.net

Dear all, I am trying to create x attributes in a class, to the effect of: class classic: def __init__(self,text): r=range(text.count('TI -')) for l in r: self.l=None Unfortunately I can't iterate through for some reason. I only get self.l, not, for instance self.1 to self.107 How do I do this? …

I really can't understand why the belove code gives error. I get this error: [I][B]In function 'int* bubble_sort(int*)': error: no matching function for call to 'swap(int*&, int&, int&)' [/B][/I] May someone please show me the reason? [CODE]int* bubble_sort(int arr[]) { for(int i=0;i<sizeof(arr);i++){ for(int j=0;j<sizeof(arr);j++){ if(arr[i]>arr[j]) swap(arr, i, j ); break; …

Start a new Forms application. Add a DataGridView control to the Form. Add a few Columns to the DataGridView. In the properties window select the ColumnHeadersDefaultCellStyle (ahh what's in a name...) property. A dialog opens. Change the appearance BackColor to whatever color you like. Run the application. On my system …

Hi guys! I have created two table valued multi-statement functions using SQL Server 2000 and am now trying to develop a VB.NET front end application where I run the functions and pass string parameters to them. When I run the function in SQL Server Query Analyzer, it works, but when …

Hi Dears! I Wrote A Bubble Sort for sorting 2D array of characters. and logically it seems correct, but unfortunately not works. please help me. this is my output: unsorted: mah ali sal Sorted: ali ali mah Here is my Code so far: [CODE] #include <iostream.h> #include <stdio.h> #include <string.h> …

Hi friends can any one help me to solve this problem. I want to display the inputs of text boxes by using datadrid control. i am using visual studio2005.I tried with the following code [code] (datagridobject).DataSource=(arrayname) [/code] but this displaying column name as "length" and its values are numeric.How can …

I would like to take a poll of what version of C# and .NET you are used to working with. I'll start. C# 3, .NET 3.5.

I have a form in my vb project (let's call it frm_UpdateDetails). It contains a user control (Let's call it MyUserControl). The user control has several fields that allow the user to edit entries in the database. There is another form (lets say frm_Main) that calls a method in frm_UpdateDetails …

hi guys i want to achieve something like this : in header file : [CODE]#pragma once class wef { private: int a[]; void setI(); };[/CODE] and the code file will be like this: [CODE]#include "wef.h" void wef::setI() { a = {1,2,3}; }[/CODE] could you please help me with that?

i have a struct and i need to use an array of that struct. The member of that array is definite at compile time, so i am going to hard code them. how do i declare it in my class header file and fill the items in the class file?

Hello, I would like to ask is there any class connected with the Tree data structure in the Java Api, since I couldn't find one. I'm just starting to study the Binary Search Trees, the Heap data structure etc. As far as I could see until now, I will have …

hi guys can anybody has a c++ code on permutation cipher and hill cipher ,terms used in cryptography.

[code=cplusplus] #include<iostream> #include<iomanip> using namespace std; int main () { int month, year; float totalCollected, Sales, CountySalesTax, StateSalesTax; float TotalSalesTax; std::cout<< " What is the Month:"; std::cin>>month; std::cout<<"What is the year:"; std::cin>>year; std::cout<<"What is the total amount collected at register:$"; std::cin>>totalCollected; std::cout<< setprecision (2) << fixed; float sales=totalCollected/1.06; CountySalesTax=sales*.02; StateSalesTax=sales*.04; …

Hi I have to limit that user for no age less then 18 years I have only 2 ideas for developments of these 1 > check for date year is greater then 1990 of today then but i think it is not good way to coding for flexibility in future …

:sad: Salam, I need complete Account Project Sale, Purchase, Inventory, All Accounts reporty in VB 6.0 . becouse it my task which not solve and face differant Error in programming. Please any body Solve this my HOT ISSUE. Best Regarde &:'( Bundle of Thanks.

Hey. I am trying to output a file. I pretty much have down, but the only problem is I'm getting the last set of my numbers and missing the other 5000 or so sets. Here is what I have [[ICODE]for (int i=0; i < N_plates; i++) { cout << i …

What are the codes when you cancel a list of names in the database in a certain field? This is the situation: I made a reservation in a certain hotel. Of course they asked my name, what kind of room. . Automatically, it saved on the database of their system. …

im trying to make a program that reads a text file in the format: 2 polygon 3 90 90 90 90 90 90 polyline 2 12 80 30 15 (not the real numbers obviously) and have the program read how many things, what type, how many points for that type, …

i got compiler error stating that : Only static data members with const integral or const enumeration type can specify an initializer in the class definition what is the logic behind that? why is the compiler designed not to accept any non constant static initialization of types?

Hi, what are the advantages of C# over C++? I have a little bit of knowledge in both of them, but I am going to choose which one to dedicate most of my time to.

I'd like to read/write xls files in Delphi. I think there's a way to do this using ADO. Can anyone provide an example or head me in the right direction. Thanks.

I downloaded active perl and go to the perl package manager but I cant figure out how to get my applications to run. Any suggestions?

Im taking a perl class not exactly sure if what Im doing is right. I was to take a written program that allowed the user to enter a number guessing what the target was. The original used elseif statements to let the user know if the guess was to high, …

[code]#include<iostream.h> #include <string> using namespace std; struct sdata { char name[5]; int reg; }; struct sub { char subject[30]; sub * move; }; void instudent(sdata & ins ); void show(sdata * ins); class inf { sub * begin; sub * look(int limit) { sub *pointer=begin; for(int i=1; i<limit; i++) pointer=pointer->move; …

i have windows mobile and i need to send an receive messages via my phone from my pc. can you help?

Hi I have to do an assignment for a course that includes that I use new stream insertion and stream extraction techniques. On the lecture notes it briefly mentioned cin.get() and getline but not in a very descriptive way. Could anyone please summarize the use of get() when inputting more …

How can we Justify this thing that Dynamic memory allocation is more flexible and efficient than static memory allocation but slower than static?Pls explain

Hello, this is my file format: MP,EX,1,1.081048e+10 MP,ALPX,1,9.600000e-06, 3, 2.3 MP,NUXY,1,3.000000e-01 CX,DENS,1,2.797598e-01 BT,KXX,1,6.752689e+02 MP,C,1,3.448000e+05 I want to extract first sring, then second, then I want to extract all numbers in to a float till I come newline, there could be up to 10 values. How do I extract if my …

Hi, what are the advantages of C++ over C#? I have a little bit of knowledge in both of them, but I am going to choose which one to dedicate most of my time to.

Firstly, this is my first "project" involving code written by others, on top of which no experience dealing with any framework. Given this information, how do i understand a framework. Also, Very little documentation is available ATM. I tried to use a top down approach i end up accomplishing very …

Hi everyone! I'm new here this is my first post and woe is me its a call to anyone willing to help me! I'm in an introduction course to java at school and I have programed a little in the past, but nothing to write home about. Today my instructor …

I've parsed an XML and now I'm trying to write into some elements that are text nodes. What is the best way to go about writing into these text nodes? Ex. <tag>insert texty text here </tag>

How do i read an xml file with unmanaged c++?? is there any built in classes with VS 6.0 i.e with unmanaged code.. Please help..

I have this program that will ask user to put in the day, it compiles but every time i set the day to Saturday this program won't display Saturday, instead it shows Sunday. It also won't correctly generate the output for yesterday if the current day is Sunday and tomorrow …

I have a general question. I have a Form where I have some buttoncontrols and 3 textBoxes. What I do now is to add a "TabControl" and a panel1 on the Form and then I put all the other controls inside this panel on the "TabControl". When I now compile …

I am trying to make a database of images. The purpose of this is for Robocup soccer tournament. When the robot sees an image while playing it can then refer to its database of images and match its image with one in the database. The database image should have properties …

I have a panel on form and i'm drawing a graph on it with a pen.When i open something on top of that form or i minimize the form and maximize it, the panel goes white until i draw something on it again.So i think i could call an event …

hello everybody I am new to this forum. i got a doubt. i working on a small project. the thing is my Hosp no should be in the format 123456R. Now there are old patient with the following the hospital number 12345R. In this case i want a 0 to …

Hello all, I'm starting C++ and wan't to learn for loop. I want the Loop to count down the rotate and print its value until when it equals to value where it terminates. Here is code [CODE=C++] int value; int rotate = 4; for (value = 0; rotate>value; rotate--; ){ …

Hello all, I am coding a client/server in C++ - everything is working so far but I was wondering if my approach is correct or if there is a better way of handling this: In this version only 64 clients need to be able to connect, in a different application …

I know of ww.portablepython.com/ Can anyone know how to do a combination of IDE and this python in stick. Also if anyone have ever tried to add other python modules to it like Vpython, wxpython, etc Thanks alot

hi, it's me again, uhm i have this program for bantumi game, this program is running, but there are some problems i am encountering whenever i execute it.. hope you understand my program.. [code=c] //this is a two player bantumi game,the user will enter the position in the board game …

Hi Guys... I have some basic doubts with references and pointers and need some understanding on the behavior of this code [code=c++] #include <iostream> using namespace std; class a { public: int getAmount(a&); private: int amount; }; int a::getAmount(a& p) { cout << this << endl; cout << p << …

i've got this code it compiles but it when I try to run it it says segmenatation fault [CODE]/* #include <stdio.h> #include <iostream> using namespace std; int rite(); int a,b; char g,f; int main () { size_t count; FILE * pFile; pFile = fopen ("in.h","r"); count = fscanf (pFile, "%d%d",&a,&b); …