check if value exists


Posted on 16th Feb 2014 07:03 pm by admin

I have googled this for a while and I am getting lots of different results. Is there a standard method used for checking to see if a value exists in a database before inserting a value? I have a form, you type your name and push submit, it inserts the name into the database and then the name shows up in a list. Right now, it accepts the same values. I want to add a check to say

if name exists, do something

No comments posted yet

Your Answer:

Login to answer
337 Like 35 Dislike
Previous forums Next forums
Other forums

Need a fuction to count entries in a field
Hi
I need a fuction to count how many times a email address is entered in to a field.

I ma

session checking in page load
hai all I have a web site is www.Mryas.com in this my login page is Page1.aspx its co

Help =( !! Upload Pics [PHP script]
Hello
I need help with a php script [MULTIPLE UPLOAD IMAGES] , where I want to add a feature (wat

simplexml_load_file and rss problem
Hi,

I have a problem parsing an rss feed using simplexml_load_file - this is strange as i hav

file downloaded can't be read !!
<?php
$fileName = 'mypic.jpg';
$mimeType = 'image/jpeg';
header('content-dispositio

newbie error
what is wrong with this code ?

<html>
<body>

<?

please, need help coding this voting for your favorite car polling system.
hi, my code needs a lot of work, but i want to be able to let users vote on their favorite car, upda

Include a php
Hello,

I'm trying to include a function that shows the recent searches.
Example I have <

validating url
im trying to validate url's sent to me by a form
the url's im collecting are for placing banners

Java API in PHP?
I have an application that we use internally here at the office.

The software company provide

Sign up to write
Sign up now if you have flare of writing..
Login   |   Register
Follow Us
Indyaspeak @ Facebook Indyaspeak @ Twitter Indyaspeak @ Pinterest RSS



Play Free Quiz and Win Cash