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Web Form - PHP, AJAX, MySQL, and JSON?

I am having trouble getting my head wrapped around the initial stages of project I am doing for on intranet page.

What I Have:
A database of customers hosted on the local network with Ubuntu/MySQL.

What I Need:
A web form that loads a customer record from the mysql database in order to present an interface that makes editing the database easy.  The AJAX would serve the purpose of form field validation, though its primary purpose would be to verify certain fields are unique to their respective field across the entire database.

What I Am Requesting
A sample solution.  A php web page that connects to a mysql database and loads a recordset/customer record.  As the form is filled out, certain fields will be checked for basic validity (not empty/null, follows email address format, follows phone number format, etc...), a couple of other fields will be checked against the database to ensure the value is unique (e.g. a customer's username).  If it is not unique, return an alert back to the client letting them know that another user is currently using that username and to please select assign a different/unique username.  I also would like to be able to trigger alerts based off of database field values if a sample of how this would be accomplished could be provided.  I have been looking at using jquery, but I have not been able to wrap my head around everything yet.

Sample Dbase Fields:
Name,  Client Type, Email Address, Phone Number, Username, Password, Credit Status

When the form loads initially, display an alert if credit status is set to hold, otherwise wait for input.
When entering a new customer (vs. editing an existing one) indicate name field is not valid until it is no longer empty.
When email address field is edited check for conformity to email address spec.
When phone number is edited, check for conformity to email address spec
When username is input, make sure the username is unique (no other customers have the same username)

Once I get the concept of how to make the fields interact, I will add all the other fields of the dbase and customize other alerts/dialog boxes etc..  I also plan to put the jquery datepicker in since some of the other fields contain dates, but I think I should be able to get that once I see how the to make the form post back with AJAX.  

Please ask any questions...
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SaintRonin
Asked:
SaintRonin
1 Solution
 
SaintRoninAuthor Commented:
I think I more need someone to explain this is what we are doing and why.  I realize that to access mysql info, we need to use php to establish a database connection and pull a recordset with which to work.  The confusion comes in on the form and how it works and what all is required and the work flow of how it processes data.  Thanks for the help...
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TRW-ConsultingCommented:
This topic could run into days of coding and a multitude of back and forth questions and answers.  I doubt if anyone would spend as much time as is needed to complete this (me included).  But I will point you to a free product that you can use to do this, and it has it's own forum for resolving any questions you would have. Most likely any question would have already been answered in the forum.

The product is MySqlAjaxTableEditor --> http://www.mysqlajaxtableeditor.com/

The forum for this is at --> http://www.mysqlajaxtableeditor.com/discussmate/
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