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Field validation for the Web

This code allows a developer the easiest route to field validation. I have tried all the validation methods such as JavaScript, Validation fields etc.

I developed this after a many hours of trying to find the easiest, most portable way to validate fields. Nothing works as well as this one!

To use this formula, add a field to your form called FE. Make it "Computed for Display" with the value as FE. This will be a display field for your validation error message. Make it the color red, green, or something that stands out when the form returns validation errors.

Add the code into your submit button right before the code you use to process the form (save it, run agent or whatever).

I also have a JavaScript version of this code. Please email me if you like a copy at kamal@office.com.
Code: FIELD FE := FE;
F1 := FIELD1NAME;
F2 := FIELD2NAME;
F3 := FIELD3NAME;
F4 := FIELD4NAME;
F5 := FIELD5NAME;
ErrorMessage:= "There was an error in your form: ";

REM "ADD THIS CODE TO YOUR SUBMIT OR SAVE BUTTON RIGHT BEFORE THE REST OF YOUR CODE. ";
REM "IF YOU HAVE ANY FIELD DECLARATIONS IN YOUR CURRENT CODE, ADD THEM TO THEM UP AT TOP.";
REM "FIELD DECLARATIONS SHOULD ALWAYS BE AT THE TOP.";

REM " REFRESH FIELDS";
@Command([ViewRefreshFields]);

REM "THIS FORMULA VALIDATES FIELDS THEN PROCESSES FORM ONCE THE FIELDS ARE CORRECT.";
REM ;
REM "CHECK IF FIELD 1 IS VALID";
a:=@If( F1="" ;@NewLine+ "Update Field One."; "" );

REM "CHECK IF FIELD 2 IS VALID";
b:=@If( F2="" ;@NewLine+ "Update Field Two."; "" );

REM "CHECK IF FIELD 3 IS VALID";
c:=@If( F3="" ;@NewLine+ "Update Field Three."; "" );

REM "CHECK IF FIELD 4 IS VALID";
d:=@If( F4="" ;@NewLine+ "Update Field Four."; "" );

REM "CHECK IF FIELD 5 IS VALID";
e:=@If( F5="" ;@NewLine+ "Update Field Five."; "" );

ems := @Trim(a+b+c+d+e);

@If( ems = "" ; @Success ; @Do(@SetField("FE";ErrorMessage+ems);
@Return("")));

REM "SAVE DOCUMENT OR RUN THE REST OF THE SUBMIT FORMULA HERE";
REM "ADD THE REST OF YOUR CODE HERE";
@PostedCommand([FileSave]);

REM "AFTER PROCESSING THE DOCUMENT SEND THEM TO A CONFIRMATION PAGE. ";
@PostedCommand([Compose];"ConfirmPage")

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