Uploading Image to Sql Server Image Datatype in asp.net using fileupload Control

Write a Program to Draw Sinewave

Add

#define TWOPI 2*3.14159

#include"math.h"

LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)

{

int wmId, wmEvent;

PAINTSTRUCT ps;

HDC hdc;

static int x,y;

POINT pt[1000];

int i;

switch (message) 

{

case WM_SIZE:

x=LOWORD(lParam);//width

y=HIWORD(lParam);//height

return 0;

case WM_PAINT:

hdc=BeginPaint(hWnd,&ps);

MoveToEx(hdc,0,y/2,NULL);

LineTo(hdc,x,y/2);

for(i=0;i<1000;i++)

{

pt[i].x=i*x/1000;

pt[i].y=(int)(y/2*(1-sin(TWOPI*i/1000)));

}

Polyline(hdc,pt,1000);

return 0;

break;

case WM_DESTROY:

PostQuitMessage(0);

break;

default:

return DefWindowProc(hWnd, message, wParam, lParam);

   }

   return 0;

}