.net编程

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Visual C++

DisconnectedApplication.cpp：源码内容

							// This is the main project file for VC++ application project 
// generated using an Application Wizard.
#include "stdafx.h"
#using <mscorlib.dll>
#using <System.dll>                 // For Console I/O
#using <System.Data.dll>            // For ADO.NET
#using <System.Xml.dll>             // For serialization support in DataSet
#using <System.Windows.Forms.dll>   // For the form
#using <System.Drawing.dll>			// Also for the form
using namespace System;
using namespace System::Data;             // Generic ADO.NET definitions, such as DataSet
using namespace System::Data::SqlClient;  // SQL Server data provider definitions
using namespace System::ComponentModel;   // .NET GUI classes
using namespace System::Windows::Forms;   // .NET forms
// Form to display titles from the Pubs database
__gc public class TitlesForm : public Form 
{
public:
	TitlesForm() 
	{
		// Set form properties
		this->Text = "Book titles from Pubs database";
		this->Size = System::Drawing::Size(310, 300);
		// Set Button properties
		btnFill = new Button();
	    btnFill->Text = S"Fill";
		btnFill->Size = System::Drawing::Size(80, 25);
		btnFill->Location = System::Drawing::Point(210, 230);
		// Set DataGrid properties
		dgTitles = new DataGrid();
		dgTitles->Size = System::Drawing::Size(280, 200);
		dgTitles->Location = System::Drawing::Point(10, 10);
		// Add controls to form
		this->Controls->Add(btnFill);
		this->Controls->Add(dgTitles);
		// Set database-related information
		this->cnPubs = new SqlConnection(S"data source=(local);integrated security=true;initial catalog=Pubs");
		this->daTitles = new SqlDataAdapter(S"SELECT * FROM Titles", cnPubs);
		this->dsTitles = new DataSet("Titles");
		// Register button-click event handler
		this->btnFill->Click += new EventHandler(this, &TitlesForm::BtnFill_Clicked);
	}
    void BtnFill_Clicked(Object* pSender, EventArgs* pArgs)
    {
        this->daTitles->Fill(this->dsTitles);
		this->dgTitles->DataSource = this->dsTitles->Tables->Item[0]->DefaultView;
    }
private:
	Button * btnFill;
	DataGrid * dgTitles;
	SqlConnection * cnPubs;
	SqlDataAdapter * daTitles;
	DataSet * dsTitles;
};
// This is the entry point for this application
#ifdef _UNICODE
int wmain(void)
#else
int main(void)
#endif
{
    // Create the form
	Application::Run(new TitlesForm());
	return 0;
}

						