This question is similar to this one, I am just updating the question with the field names, also I am not using a business rule because I used the maximum number
If "Is today a holiday?" Equals Yes
Show "Describe the holiday"
Required "Describe the holiday"
Else
Hide "Describe the Holiday"
Not Required "Describe the Holiday"
The field "Is today a holiday" is an option set with Yes and No. The default value is blank
The field "Describe the holiday" is a text field
function onLoad() {
Test("new_istodayaholiday");
}
function new_istodayaholidayOnChange() {
Test("new_istodayaholiday");
}
function Test(fieldName) {
var checked = Xrm.Page.getAttribute(fieldName).getValue();
var required = checked ? "required" : "none";
Xrm.Page.getControl("new_describetheholiday").setVisible(checked);
Xrm.Page.getAttribute("new_describetheholiday").setRequiredLevel(required);
}
I tried the above code as suggested on the previous post, but I am getting this error:
TypeError: Cannot read property 'setVisible' of null
I really appreciate the help.
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