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Workflow Hero

How many level of Expression for ?

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Hi,

I have the following expression set to the panel control.

fn-And(fn-Not(fn-Equals(Status,"0")), fn-Not(fn-IsNullOrEmpty(Assignee)))

It is working when I set either (fn-Not(fn-Equals(Status,"0")) or fn-Not(fn-IsNullOrEmpty(Assignee)) in the control. But not working with fn-And(fn-Not(fn-Equals(Status,"0")), fn-Not(fn-IsNullOrEmpty(Assignee))).

I would like to know is there any problem with the expression? or is there any limitation of preparing the expression?

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Workflow Hero

Re: How many level of Expression for ?

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Hi Dorothy,

I just tested this rule and it seems to work.

Could it be a problem with the meaning of the rule?

Literrally, you try to make a control visible when Status is different to "0" AND "Assignee" is filled. Both conditions are required. And it applies only on saved properties of the item. If you change values of "Status" and "Assignee" controls at runtime, nothing will change. So it only worths on loading of an EditForm or a DispForm.

Does it correspond to your need ?

Regards,

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Workflow Hero

Re: How many level of Expression for ?

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is right. In addition if there is requirement to change visibility of controls during runtime then formatting rules should be used to disable/hide controls.

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Workflow Hero

Re: How many level of Expression for ?

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Hi Pierre & Manfred,

After some testing, I found the control calculated value cannot work with the above expression. It is working on single line of text. I would like to know is there any work around for this? Thanks!

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Workflow Hero

Re: How many level of Expression for ?

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Sorry Pierre & Manfred,

Finally, I find the problem. It is expression issue (fn-Not(fn-Equals(Status,"0")) or fn-Not(fn-IsNullOrEmpty(Assignee)) should be (fn-Not(fn-Contains(Status,"0")) or fn-Not(fn-IsNullOrEmpty(Assignee)).

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Workflow Hero

Re: How many level of Expression for ?

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Glad to see that you've finally found a solution.

Could you please mark your answer as correct ?

Regards

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