Managed C++/CLI

TripShock wrote:

Why is it that I can't do this:

String^ yo;

Thilek wrote:

i am creating a VC++ program

Thilek wrote:

i have tried few steps but it didnt work

#pragma once
#include <mysql.h>


namespace trialcpp {

	using namespace System;
	using namespace System::ComponentModel;
	
	using namespace System::Collections;
	using namespace System::Windows::Forms;
	using namespace System::Data;
	using namespace System::Drawing;
	using namespace MySql::Data::MySqlClient;


	/// <summary>
	/// Summary for Form1
	///
	/// WARNING: If you change the name of this class, you will need to change the
	///          'Resource File Name' property for the managed resource compiler tool
	///          associated with all .resx files this class depends on.  Otherwise,
	///          the designers will not be able to interact properly with localized
	///          resources associated with this form.
	/// </summary>

	
	public ref class Form1 : public System::Windows::Forms::Form
	{
	public:
		Form1(void)
		{
			InitializeComponent();
			//
			//TODO: Add the constructor code here
			//
		}
		

	protected:
		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		~Form1()
		{
			if (components)
			{
				delete components;
			}
		}

	
	private: System::Windows::Forms::Button^  cmdLogin;
	private: System::Windows::Forms::Button^  cmdExit;

	protected: 

	private:
		/// <summary>
		/// Required designer variable.
		/// </summary>
		System::ComponentModel::Container ^components;

	
	
#pragma region Windows Form Designer generated code
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		void InitializeComponent(void)
		{
			this->cmdLogin = (gcnew System::Windows::Forms::Button());
			this->cmdExit = (gcnew System::Windows::Forms::Button());
			this->SuspendLayout();
			// 
			// cmdLogin
			// 
			this->cmdLogin->Location = System::Drawing::Point(52, 190);
			this->cmdLogin->Name = L"cmdLogin";
			this->cmdLogin->Size = System::Drawing::Size(75, 23);
			this->cmdLogin->TabIndex = 0;
			this->cmdLogin->Text = L"Login";
			this->cmdLogin->UseVisualStyleBackColor = true;
			this->cmdLogin->Click += gcnew System::EventHandler(this, &Form1::cmdLogin_Click);
			// 
			// cmdExit
			// 
			this->cmdExit->Location = System::Drawing::Point(175, 190);
			this->cmdExit->Name = L"cmdExit";
			this->cmdExit->Size = System::Drawing::Size(75, 23);
			this->cmdExit->TabIndex = 1;
			this->cmdExit->Text = L"Exit";
			this->cmdExit->UseVisualStyleBackColor = true;
			this->cmdExit->Click += gcnew System::EventHandler(this, &Form1::Exit_Click);
			// 
			// Form1
			// 
			this->AutoScaleDimensions = System::Drawing::SizeF(6, 13);
			this->AutoScaleMode = System::Windows::Forms::AutoScaleMode::Font;
			this->ClientSize = System::Drawing::Size(326, 266);
			this->Controls->Add(this->cmdExit);
			this->Controls->Add(this->cmdLogin);
			this->Name = L"Form1";
			this->Text = L"Form1";
			this->Load += gcnew System::EventHandler(this, &Form1::Form1_Load);
			this->ResumeLayout(false);

		}
#pragma endregion

	

	private: System::Void Form1_Load(System::Object^  sender, System::EventArgs^  e) {
				
			 }
	private: System::Void Exit_Click(System::Object^  sender, System::EventArgs^  e) {

				this->Close();

			 }
	  

	private: System::Void cmdLogin_Click(System::Object^  sender, System::EventArgs^  e) {
 
     MySqlDataAdapter^ mySqlDataAdapter=gcnew MySqlDataAdapter();

	MySqlConnection ^conDatabase = gcnew MySqlConnection("Server=sql304.speedhosting.co.cc;Uid='speed_2972829';Pwd='kettavan'; Protocol=tcp; Pooling=false");

	conDatabase->Open();


    System::Windows::Forms::MessageBox::Show("Connection Successful");
	
	conDatabase->Close();

				 }	 

	};

led mike wrote:

We are not mystical beings

Mark Salsbery
Microsoft MVP - Visual C++

Mark Salsbery wrote:

2^32 = 4294967296
2^64 = 18446744073709551616

Mark Salsbery wrote:

thanks for the tips

listBox1->Items->Add(String::Concat(someString));
listBox1->SelectedIndex = index;
listBox1->Update();

Mark Salsbery
Microsoft MVP - Visual C++

error C2065: 'index' : undeclared identifier

int index = listBox1->Items->Add(String::Concat(someString));
listBox1->SelectedIndex = index;
listBox1->Update();

Mark Salsbery
Microsoft MVP - Visual C++