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92
Using a single page for both the form and action provides the opportunity to
illustrate the use of the
form does not show any results until you submit the input.
To validate the data that users enter in the insert form:
1
2
IsDefined
Create a new page in ColdFusion Studio.
Enter the following text:
<html>
<head>
<title>Simple Data Form</title>
</head>
<body>
<h2>Simple Data Form</h2>
<!--- Form part --->
<form action="datatest.cfm" method="Post">
<input type="hidden"
name="StartDate_required"
value="You must enter a start date.">
<input type="hidden"
name="StartDate_date"
value="Enter a valid date as the start date.">
<input type="hidden"
name="Salary_required"
value="You must enter a salary.">
<input type="hidden"
name="Salary_float"
value="The salary must be a number.">
Start Date:
<input type="text"
name="StartDate" size="16"
maxlength="16"><br>
Salary:
<input type="text"
name="Salary"
size="10"
maxlength="10"><br>
<input type="reset"
name="ResetForm"
value="Clear Form">
<input type="submit"
name="SubmitForm"
value="Insert Data">
</form>
<br>
<!--- Action part --->
<cfif isdefined("Form.StartDate")>
<cfoutput>
Start Date is: #DateFormat(Form.StartDate)#<br>
Salary is: #DollarFormat(Form.Salary)#
Chapter 6 Making Variables Dynamic
function to check that data exists. This way, the
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