Re: _ in front of field name

This WebDNA talk-list message is from

1998

It keeps the original formatting. numero = 18910
interpreted = N
texte = The primary reason the database helper adds an underscore to the field name in a form is so it can use the [formvariables] context to quickly loop through all the incoming variables (by setting name=_&exact=f as parameters to the context). By using [getchars] to get rid of the leading _, it can easily append or replace the fields as well. The actual name of the fields do not have the underscore in front.John.>This certainly makes sense. But I would swear the database helper did it >for creative database names too.>>Is there documentation on this _ thing? Is there a list of reserved words?>>>>>At 13:31 Uhr 15.07.1998, Sue Ann Sanders wrote:>>>What is the significance of a _ in front of the field names within a>>>form? I believe this was done automatically when I used the database>>>helper.?>>>>It is a good idea to have a naming convention to avoid equal names for>>fields and WebCat commands. Imagine you name a field of your form date>>for the birthday. If you ask for this field on the following page, you>>write for example:>>Since you are born on [date] you are too old...>>In this case WebCat will NOT insert the form field but todays date because>>[date] is a command!>>>>So, if you name all form fields and variables according to such a naming>>convention, you will never make a similar mistake. That is why you see>>often names like [_date], [v.email] or similar in the code of other people.>>>>Peter>>>>__________________________________________>>Peter Ostry - po@ostry.com - www.ostry.com>>Ostry & Partner - Ostry Internet Solutions>>Auhofstrasse 29 A-1130 Vienna Austria>>fon ++43-1-8777454 fax ++43-1-8777454-21>> John A. Hill, V.P. Marketing Pacific Coast SoftwareeCommerce / Web Developer Tools http://www.smithmicro.com Associated Messages, from the most recent to the oldest:

Re: _ in front of field name (Kenneth Grome 1998)
Re: _ in front of field name (Kenneth Grome 1998)
Re: _ in front of field name (Peter Ostry 1998)
Re: _ in front of field name (Brian B. Burton 1998)
Re: _ in front of field name (John Hill 1998)
Re: _ in front of field name (Sue Ann Sanders 1998)
Re: _ in front of field name (Peter Ostry 1998)
_ in front of field name (Sue Ann Sanders 1998)

The primary reason the database helper adds an underscore to the field name in a form is so it can use the [formvariables] context to quickly loop through all the incoming variables (by setting name=_&exact=f as parameters to the context). By using [getchars] to get rid of the leading _, it can easily append or replace the fields as well. The actual name of the fields do not have the underscore in front.John.>This certainly makes sense. But I would swear the database helper did it >for creative database names too.>>Is there documentation on this _ thing? Is there a list of reserved words?>>>>>At 13:31 Uhr 15.07.1998, Sue Ann Sanders wrote:>>>What is the significance of a _ in front of the field names within a>>>form? I believe this was done automatically when I used the database>>>helper.?>>>>It is a good idea to have a naming convention to avoid equal names for>>fields and WebCat commands. Imagine you name a field of your form date>>for the birthday. If you ask for this field on the following page, you>>write for example:>>Since you are born on [date] you are too old...>>In this case WebCat will NOT insert the form field but todays date because>>[date] is a command!>>>>So, if you name all form fields and variables according to such a naming>>convention, you will never make a similar mistake. That is why you see>>often names like [_date], [v.email] or similar in the code of other people.>>>>Peter>>>>__________________________________________>>Peter Ostry - po@ostry.com - www.ostry.com>>Ostry & Partner - Ostry Internet Solutions>>Auhofstrasse 29 A-1130 Vienna Austria>>fon ++43-1-8777454 fax ++43-1-8777454-21>> John A. Hill, V.P. Marketing Pacific Coast SoftwareeCommerce / Web Developer Tools http://www.smithmicro.com John Hill

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Re: _ in front of field name

1998

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