Customer ID Need Some Help Please.....

All Friends I need the Ledger Id as Unique (prevent Duplicate) please help me.....


Code is:
[#Part: MSTAliasMode]


Object : LanguageName:First
Lines : MST Name , MST Alias , MST ID
Repeat : MST Alias : Name :LanguageName : First
Height : 5
Space Bottom: 0.5
Break On : $$IsEmpty:$Name

[Line: MST ID]

Use : Master ID Line
Fields : Short Prompt, MST LangId, MST ID


[Field: MST ID]

Use: Name Field
Storage: MSTID
Set Always: Yes
Color: Blue

[System:Udf]

MSTID: String: 1001


[#Line: Master Name Line]

Local : Field : Short Prompt : Info : $$LocaleString:"Ledger Name"
Local : Field : Short Prompt : Style : Large

[Line: Master ID Line]

Local : Field : Short Prompt : Info : $$LocaleString:"Ledger ID"
Local : Field : Short Prompt : Style : Large

 

Try...
Unique :yes
In Field

OR see
Duplicate Purchase Stopper For idea.

 

You can check previous value in collection table then add next value

 

Thanks mr. Jay kumar and Preyash for immediate reply. "Unique :yes" not Working. I view the dup. purchase stop. I am a Slow Leaner.... Please Guide me if u can.....

 

are you find any solution for Prevent duplicate.