MANDATORY FIELD VALIDATION PRIOR TO SUBMITTING

Hi Experts,

I have an obligation to check if all the required fields in a form has been filled before submitting the form. The form has 1 page that is cast and spans of 8 pages. There are about 40-50 fields. I tried to put the following script in the event click of the SUBMIT button.

var lv_txtfld;
for (var nPageCount = 0; nPageCount < xfa.host.numPages; nPageCount ++) {}
var oFields = xfa.layout.pageContent (nPageCount, "field");
var nNodesLength = oFields.length;
for (var nNodeCount = 0; nNodeCount < nNodesLength; nNodeCount ++) {}
If (. ui.oneOfChild.className oFields.item (nNodeCount) == 'textEdit') {}
lv_txtfld. = ui.oneOfChild.rawValue oFields.item (nNodeCount);
If ((! lv_txtfld.optional) & & (lv_txtfld == null) |) (lv_txtfld == "")) {
XFA. Host.message (oFields.item (nNodeCount) ".ui + ' '+' ' is mandatory field - please enter the same");

continue;
}
}
}
}

The script above doesn't work - I don't want to make mandatory field checking each field by field, because it would be too tedious for 40-50 fields. Please let me know of any alternative.

Hello rohitacmilan!

Just to make sure I'm covering all bases, note that the existence of ANY empty required field (defined as user entered - required) will prevent the form of presentation by default.

Which, according to me, you want to come but you want to programmatically control all fields before submitting so that you can make a custom action.  If this is the case, you indeed a script similar to the one you posted.  After reviewing your script, I found a few issues that I will discuss this subject after the display of the solution:

var lv_txtfld;

for (var nPageCount = 0; nPageCount < xfa.host.numPages; nPageCount++)

{

     var oFields = xfa.layout.pageContent(nPageCount, "field");

     var nNodesLength = oFields.length;

     for (var nNodeCount = 0; nNodeCount < nNodesLength; nNodeCount++)

      {  

           if (oFields.item(nNodeCount).ui.oneOfChild.className == "textEdit")   

           {  

                lv_txtfld = oFields.item(nNodeCount);  

               if ( (lv_txtfld.mandatory == "error") &&

                    (lv_txtfld.rawValue == null || lv_txtfld.rawValue == ""))   

               {    

                     xfa.host.messageBox(lv_txtfld.name + " is a required field - please enter the same");  

               }             

           }

     }

}

The questions were the following:

(1) the line "lv_txtfld =. ui.oneOfChild.rawValue oFields.item (nNodeCount)" was bombing.  I think it was the intention here is to get a reference to the specific node we are in our loop for use in the following if statement.  Note, however, that we already have an array of references to all applicable nodes in the table "oFields.

(2) the line that starts with "if ((!)). lv_txtfld.optional)... "was bombing for several reasons.  First of all, not a property of a shape node is "optional".  I think the intention here was to check if the current node was necessary or not.  In this case, you would normally check the "required" property  A required field will have a 'compulsory' property equivalent to the literal string "error".  Second, the segment of the 'if' clause after the "&" seems to be written in order to check the contents of the current node to a value.  If this is the case, we must check the "rawValue" property  In addition to this point, we would like the second clause of our ' | ' statement not having spaces in the string literal as "" is not to "". ""

(3) it appears that the intent of the line within the deeper ' if' statement must display a message to the user to let them know that a field empty, required was found.  If this is the case, then we can just use the "name" property of the current node instead of '.ui oFields.item (nNodeCount).  In addition, the method to display a message box is «xfa.host.messageBox (...)»

4) well not really a 'mistake' in itself, I thought that I would point out that you don't have no need to use the key word 'continue' after displaying the message box to the user on a required field blank.  You are in a loop at this point and will continue to function normally until finally his test clause fails.

I hope I've been helpful!  Please let me know if you have any questions.

Take care!

Josh Boyle

[email protected]

Cardinal Solutions Group

Tags: Adobe LiveCycle

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