spcalldlg.cpp

algorithm for the SPCall using vc++

// SPCallDlg.cpp : implementation file
//

#include "stdafx.h"
#include "SPCall.h"
#include "SPCallDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CSPCallDlg dialog

CSPCallDlg::CSPCallDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CSPCallDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CSPCallDlg)
	m_strEmpNO = _T("");
	m_strEmpName = _T("");
	m_strEmpSal = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CSPCallDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CSPCallDlg)
	DDX_Text(pDX, IDC_EMPNO, m_strEmpNO);
	DDX_Text(pDX, IDC_EMPNAME, m_strEmpName);
	DDX_Text(pDX, IDC_EMPSAL, m_strEmpSal);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CSPCallDlg, CDialog)
	//{{AFX_MSG_MAP(CSPCallDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BRUN, OnRun)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CSPCallDlg message handlers

BOOL CSPCallDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	// TODO: Add extra initialization here
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CSPCallDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CSPCallDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CSPCallDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CSPCallDlg::OnRun() 
{
	
	UpdateData();

	if(m_strEmpNO.IsEmpty())
	{
		AfxMessageBox("Pl. enter Employee NO");
		return ;
	}
	// imp for error find
	UCHAR szSqlState[1024],
		  szErrorMsg[1024];


	SDWORD pfNativeError;
	SWORD pcbErrorMsg;
	HSTMT hstmt;
	RETCODE retcode;
	SDWORD nEmpNo=0;

	CString  csConRemote;			 

	TCHAR szName[10] = "\0",		  
		  szsal[10] = "\0",
		  szQuery[50] = "\0";		  

	csConRemote="DSN=AAA";		//AAA=Microsoft ODBC for Oracle (32 bit)
	csConRemote+=";UID=anju";	
	csConRemote+=";PWD=anju";	
	int nfalg=1;

	// it will connect till connection was established

	while(nfalg)
	{
		try
		{
			
			m_OnLinedb.OpenEx(csConRemote,CDatabase::noOdbcDialog);		
			
			retcode = SQLAllocStmt(m_OnLinedb.m_hdbc,&hstmt);

			if(retcode == SQL_ERROR)
					m_OnLinedb.Close();															
			
			nEmpNo=atoi(m_strEmpNO);
			// number input to store procedure 
			retcode = SQLBindParameter(hstmt,1,SQL_PARAM_INPUT,SQL_C_SLONG,SQL_INTEGER,10,0,&nEmpNo,0,NULL);
			// out put char 
			retcode = SQLBindParameter(hstmt,2,SQL_PARAM_OUTPUT,SQL_C_CHAR, SQL_CHAR,10,0,szName,sizeof szName,NULL);					

			retcode =SQLBindParameter(hstmt,3,SQL_PARAM_OUTPUT,SQL_C_CHAR, SQL_CHAR,10,0,szsal,sizeof szsal,NULL);
			
			sprintf(szQuery,"{call GETSAL (?,?,?)}");											
			
			// to exective proceture  
	
			retcode = SQLExecDirect(hstmt,(UCHAR *)szQuery,SQL_NTS);											
							
			if(retcode == SQL_ERROR)
			{							
				
				SQLError(NULL,m_OnLinedb.m_hdbc,hstmt,szSqlState,&pfNativeError,szErrorMsg,1024,&pcbErrorMsg);						
			
				AfxMessageBox((char *)szErrorMsg);
				AfxMessageBox((char *)szSqlState);
				AfxMessageBox("Data is Out Of Ranga see Table");
				m_OnLinedb.Close();
				return;
			}
			SQLFreeStmt(hstmt,SQL_DROP);
			nfalg=0;
			m_strEmpName.Format("%s",szName);
			m_strEmpName.TrimLeft();
			m_strEmpName.TrimRight();

			m_strEmpSal.Format("%s",szsal);
			m_strEmpSal.TrimLeft();
			m_strEmpSal.TrimRight();

			UpdateData(false);
			//AfxMessageBox();
		}
		catch(...)//CDBException *e
		{
			//AfxMessageBox(e->m_strError);
			m_OnLinedb.Close();
			nfalg=1;
		}	
	}// end while
	m_OnLinedb.Close();
	AfxMessageBox("***Successfully***");
	return;
}