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Passing Drop Down Box Data to CGI Program in Python
Drop Down Box is used when we have many options available but only one or two will be selected.
Example
Here is example HTML code for a form with one drop down box −
<form action = "/cgi-bin/dropdown.py" method = "post" target = "_blank"> <select name = "dropdown"> <option value = "Maths" selected>Maths</option> <option value = "Physics">Physics</option> </select> <input type = "submit" value = "Submit"/> </form>
Output
The result of this code is the following form −
Below is dropdown.py script to handle input given by web browser.
#!/usr/bin/python
# Import modules for CGI handling
import cgi, cgitb
# Create instance of FieldStorage
form = cgi.FieldStorage()
# Get data from fields
if form.getvalue('dropdown'):
subject = form.getvalue('dropdown')
else:
subject = "Not entered"
print "Content-type:text/html\r\n\r\n"
print "<html>"
print "<head>"
print "<title>Dropdown Box - Sixth CGI Program</title>"
print "</head>"
print "<body>"
print "<h2> Selected Subject is %s</h2>" % subject
print "</body>"
print "</html>"
Updated on: 31-Jan-2020
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