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- Users: raydona
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Cannot enter record into DB
Hi, I’m new to PHP so please bear with me. I’m trying to send user input from a HTML form to a MySQL database. The database has one table with four fields (varchar(15), varchar(15), varchar(10), longtext). The HTML form looks like: <html> <body> <form name="index" action="Z.php" method="get">... -
cannot see web site being developed
Hi, I'm new to Web development so please bear with me. I'm developing a web site using Visual Studio.Net. I've two problems. First, I'm able to build the web site, but when I run it in Explorer I get the error "HTTP 401.3 - Access denied by ACL on resource Internet Information Services - You are...- raydona
- Thread
- Replies: 1
- Forum: Microsoft: ASP.NET
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copying text box entry to char array
Hi, How do I assign the characters entered into a text box to a c-style character array? I have to do this because the library I'm using contains many functions whose parameters are c-style character arrays. I wish to say something like: char* x = new char[20]... -
'Data' : is not a member of 'System'
I am building a class (static) library using C++ to access a database in Visual.Net. I have declared: using namespace System; using namespace System::Data; below #pragma once. I get the compiler errors: error C2039: 'Data' : is not a member of 'System' error C2871: 'Data' : a namespace with this...- raydona
- Thread
- Replies: 1
- Forum: C# (C sharp): Microsoft
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Switching between forms
I have two Windows Forms, say, FormA and FormB. FormA, the form that loads first in Application::Run(gcnew FormA());, has button A which when clicked takes me to FormB. Similarly, FormB has button B which when clicked should take me back to FormA. The click event for A is shown below: #include...- raydona
- Thread
- Replies: 0
- Forum: Microsoft: Visual C++
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passing reference to a form from another form
I have a Windows Forms Application project with multiple forms. How can I jump from one form to another without having to create the form, that is, how can I pass a reference to Form_A to another form, say, Form_T? In other words inside Form_T instead of saying: Form_A ^ x = gcnew...- raydona
- Thread
- Replies: 1
- Forum: Microsoft: Visual C++
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Testing whether a key on keyboard is actually pressed
I have placed a textbox and other controls on a form. I have the event handler: private void textbox_KeyPress(object sender, KeyPressEventArgs e) { //code to ensure text entered are numbers; } How can I test whether a key on the keyboard is actually pressed. If the user presses no key within...- raydona
- Thread
- Replies: 2
- Forum: C# (C sharp): Microsoft
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Get input from user in function
I have the following event handlers for a button and a text box: private: System::Void button_Click(System::Object^ sender, System::EventArgs^ e) { function(0); } private: System::Void textBox_Validating(System::Object^ sender, System::ComponentModel::CancelEventArgs^ e) {...- raydona
- Thread
- Replies: 5
- Forum: C# (C sharp): Microsoft
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calling event from within another event
Sorry, I am using C++ syntax, but it should be the same for C#. How can I call one event from within another? For example, say I have the two events, one for a button and one for a textbox. private: System::Void Button_Click(System::Object^ sender, System::EventArgs^ e) private: System::Void...- raydona
- Thread
- Replies: 7
- Forum: C# (C sharp): Microsoft
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How to cause a c-style string to blink
Hi, I am writing a C++ console application. I would like a C-style string, say, char* message = “Beware danger!!” to blink (flash, go on and off) so as to attract the user’s attention. How might I do that? I would be grateful for all help. -
Overcome linker error
Hi, Please bear with me, I am new to Visual C++.Net. I have included two projects to a blank solution, one a static class library (named Vending Machine Library), the other a Windows Forms Application (named Vending Machine Controls). In the property pages of the Forms Application, in General...- raydona
- Thread
- Replies: 4
- Forum: Microsoft: Visual C++
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C# program will not compile
I’m new to C#, so please bear with me. I’ve created a Windows application and inserted code, found in a book, for creating a simple word processor. I’ve placed a ToolStrip, RichTextBox (Dock property set to Fill) and a FontDialogBox on a form. Further, I’ve created six buttons on ToolStrip and...- raydona
- Thread
- Replies: 1
- Forum: C# (C sharp): Microsoft
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meaning of warning C4996
I get the following compiler warning: Warning C4996: 'kbhit' was declared deprecated ‘kbhit’ was used in the following code: int s = 0; time_t now, expire; cout << "Enter integer: "; expire = time(NULL) + 8; //wait for 8 seconds now = time(NULL); while (!_kbhit() && now <...- raydona
- Thread
- Replies: 1
- Forum: Microsoft: Visual C++
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Invoking constructor in template class
I have created a template storage class which contains the following function: template<class X> void Queue<X>::insert(X& q) { X* p = new X(q); . . } By invoking the copy constructor in the class plugged in for X the storage class stores an exact copy of the object passed as an... -
Using rand() to generate a random point in a 2d matrix
Location Matrix::randomAdjacentLocation(Location& location) { int row = location.getRow(); int col = location.getCol(); . . } Above ‘location’ represents an occupied point in a two-dimensional matrix. How can I use row, col and rand() to generate a (random) point that...- raydona
- Thread
- Replies: 1
- Forum: Microsoft: Visual C++
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Passing address of copy of local object to pointer to base class
Hi, Can I pass the address of a copy of a local object to a pointer? Say function someFunc(), of a container class L returns a copy of a local object of type X. X is derived from the ABSTRACT class Y. X L::someFunc() { X local... -
Require code to shuffle a list
Hi, I created a general list, having as a data member a pointer to the first node, and then linking all other nodes to the first node. My simulation program requires the list to be shuffled. I wonder if anyone can suggest (or even provide the code) how I might rearrange the contents of the... -
Insertion of different types of objects into one queue
Hi, I wish to place objects of class B and class C into one queue. The queue, say class Queue, is a class template. Further, B and C are derived from class A. Can I say something like: Queue<A> qobject; B bob; C cat... -
Cannot compile program using Visual Studio.Net
I am new to Visual Studio.Net so please bear with me. I am trying to create my first window using Visual C++. I followed the instructions set out in a book but when I tried to compile the program I got the following error message: error VCD0041. IIS must be installed on this machine in...- raydona
- Thread
- Replies: 1
- Forum: Microsoft: Visual C++
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Hiding user input
I am writing a program, console not Windows application, where a password has to be entered and then confirmed. I do not want the user's password to be displayed while it is being entered. In other words when the user enters the character, say, R I wish X to be shown on the screen. How can I go...
