Default value in drop down field

Question

Hi all, 
 I have a drop down field in my form: 
 a!dropdownField( label: "On Behalf", labelPosition: "ADJACENT", placeholderLabel: "--select one--", choiceLabels: {"My Self", "Someone Else", "My Department"}, choiceValues: {"My Self", "Someone Else", "My Department"}, value: ri!requestData.onBehalfType, saveInto: ri!requestData.onBehalfType ) 
 When the form loads (before any user interaction), by default, I would like the first choice to be automatically selected- "My Self". 
 Please how can I do this? 
 Thanks!

Mike Schmitt · Accepted Answer

Oof, this one is *slightly* more complicated. Basically if the CDT containing onBehalfType is empty at the start, there's no very graceful way to pre-populate it at form load (just within the SAIL form) such that it shows the desired default value *and* saves it into the CDT - since user interaction of some sort is required to perform a save. 
 By far the easiest method here might be to simply have the process instance set a default value of "My Self" in the running process before the user hits that form. That way, the form will show the desired default value *and* the data in your CDT will have the same.

HarshKumarAgarwal · Answer

As described we can populate "My Self" by default in process instance before loading the form. Another way you can go with writing the code for dropdown as follows: 
 value: if(isnull( ri!requestData.onBehalfType ), "My Self", ri!requestData.onBehalfType ), 
 saveInto: a!save( ri!requestData.onBehalfType, save!value) 
 
 and on form submit button: 
 a!save(ri!requestData.onBehalfType, if(isnull(ri!requestData.onBehalfType), "My Self", ri!requestData.onBehalfType)). The method suggested by Mike is much better in terms of performance but this one is also an alternative.

Default value in drop down field

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