ceteris

im new in vb and i just create a simple calculation if i click the button for compute it will display the error please help me [CODE]Dim price As Decimal = txtprice.Text Dim quantity As Integer = txtquantity.Text Dim totalprice As Decimal = txttotal.Text totalprice = quantity * price[/CODE] [COLOR="Red"][B]working …

[CODE]$result = mysql_query("SELECT * FROM products WHERE product_code='$id'");[/CODE] i dont know whats the error here. please help me

[B]i dont know why i am having an error in [B]header[/B] Warning: Cannot modify header information - headers already sent by (output started at delete.php on line 13[/B] [B]delete.php [/B] [CODE]<?php include("db.php"); $id =$_REQUEST['BookID']; // sending query mysql_query("DELETE FROM books WHERE BookID = '$id'") or die(mysql_error()); header("Location: index.php"); ?> [/CODE] …

[B]i have create a login page and registration how can i view table from database to php output and to change password.[/B] [B]heres my login.php[/B] [CODE]<?php session_start(); $username= $_POST['username']; $password= $_POST['password']; $password=md5($password); if($username&&$password) { $connect=mysql_connect("localhost","root","") or die("Coldn't connect"); mysql_select_db("phplogin") or die("Couldn't find db"); $query=mysql_query("SELECT * from users WHERE username='$username'"); $numrows=mysql_num_rows($query); …