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janla2112
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Set destination field with orgin field value and then reset origin field

I am trying to set the value of a destination field with the value of the origin field and then reset the origin field. However, it looks like the origin field is not holding its text value "behind the scenes" on Open of the form even though it is displayed in the form. This is for editing an existing form.

 

I have two conditions:

1. to simply reset the value of a field if the choice is "New Request Modeled After Current User" (Using a variable "isReset") 

2. Update a destination field with an origin field(using  temporary variables "prevLastName" and "isNameChange") if the choice is "Name Change" and then resetting the origin field to blank(using a variable "isResetNameChange").

The "isDirtyItem" variable identifies that the drop-down field is being changed.

 

I have the following logic for a dropdown field's(PurposeOfRequest) OnChange event:

If(ddPurposeOfRequest_1.Selected.Value = "New Request Modeled After Current User [I,II,III,IV,V]" && isDirtyItem = true,
Set(isReset,true);
Set(isResetNameChange,false);
Reset(LastName_Value);


If(ddPurposeOfRequest_1.Selected.Value = "Name Change [I,II,III,V]" && isDirtyItem = true,
Set(isResetNameChange,true);
Set(isReset,false);
Set(isNameChange,true);
Set(prevLastName, LastName_Value.Text); --setting the prevLastName variable with the text value of LastName
Reset(LastName_Value); --resetting the Last Name value to blank.

 

The LastName field (Origin) has the following formula for its Default value:

If(isReset,"",isResetNameChange,"",Parent.Default)

 

The prevLastName field (Destination) has the following formula for its Default value:

If(isNameChange,prevLastName,isReset,"",Parent.Default)

 

What is occurring is that, on open of an existing list item, the LastName_Value.Text value appears to be empty even though it is displaying a value in the form, therefore the variable prevLastName is not populated with the value when I change the Purpose of Request dropdown to "Name Change...." However, if I then, while the form is still open, update the LastName field with a value and then change the Purpose of Request to "Name Change" it finds a value and updates the preLastName variable with that LastName_Value.Text.

1 ACCEPTED SOLUTION

Accepted Solutions

@janla2112 

You might want to reconsider the logic that you are trying to put in place.  Based on your formulas and what you are seeing, you are getting accurate results - however, not what you want.

 

Is there any reason you need an IsDirty and all the other variables?  If so, then I would factor those in, but if not, then the answer is pretty basic.  Just change the Default properties on the Previous Last Name and Last Name input controls.

For your PreviousLastName datacard, set the Default property of the TextInput box in your datacard to the following:

    If(ddPurposeOfRequest_1.Selected.Value = "Name Change [I,II,III,V]", LastNameDataCard.Default, Parent.Default)

For your LastName datacard, set the Default property of the Textinput box in your datacard to the following:

    If(ddPurposeOfRequest_1.Selected.Value = "Name Change [I,II,III,V]", Blank(), Parent.Default)

 

This will set the previous last name value if the dropdown is a name change and will blank the last name for the same.

 

I am sorry I don't know all the names of the controls in your app for this, so substitute into the above the names that you are using.

 

If you have more need for the variables you are trying to set, then explain a bit further.

 

I hope this is helpful for you.

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2 REPLIES 2

@janla2112 

You might want to reconsider the logic that you are trying to put in place.  Based on your formulas and what you are seeing, you are getting accurate results - however, not what you want.

 

Is there any reason you need an IsDirty and all the other variables?  If so, then I would factor those in, but if not, then the answer is pretty basic.  Just change the Default properties on the Previous Last Name and Last Name input controls.

For your PreviousLastName datacard, set the Default property of the TextInput box in your datacard to the following:

    If(ddPurposeOfRequest_1.Selected.Value = "Name Change [I,II,III,V]", LastNameDataCard.Default, Parent.Default)

For your LastName datacard, set the Default property of the Textinput box in your datacard to the following:

    If(ddPurposeOfRequest_1.Selected.Value = "Name Change [I,II,III,V]", Blank(), Parent.Default)

 

This will set the previous last name value if the dropdown is a name change and will blank the last name for the same.

 

I am sorry I don't know all the names of the controls in your app for this, so substitute into the above the names that you are using.

 

If you have more need for the variables you are trying to set, then explain a bit further.

 

I hope this is helpful for you.

_____________________________________________________________________________________
Digging it? - Click on the Thumbs Up below. Solved your problem? - Click on Accept as Solution below. Others seeking the same answers will be happy you did.
NOTE: My normal response times will be Mon to Fri from 1 PM to 10 PM UTC (and lots of other times too!)
Check out my PowerApps Videos too! And, follow me on Twitter @RandyHayes

Really want to show your appreciation? Buy Me A Cup Of Coffee!

Hi Randy, 

Thanks very much for the quick response. This fixed my issue. Glad that I was ultimately making it more complicated than it needed to be... I have some other functions and validations that I will review to see if I can apply similar logic to those to remove the need for the variables for other actions. Thanks again!

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