How can i get ID of previous generation

Question

Hello im trying to get ID of gen 2 in a variable in Csharp can someone tell me how i can do that? 
 
 ID Gen 
 1 1 
 2 2 
 3 3 
 4 4

Gopikrishnan · Accepted Answer

Hi HKhan 
 I don't know the contextItem of your method call. Assuming your method call contextItem is part, you can run below code snippet 
 Innovator innovator = this.getInnovator(); string configId = this.getProperty("config_id"); Item partItem = innovator.newItem("Part","get"); partItem.setProperty("config_id", configId); partItem.setProperty("generation", "0"); partItem.setAttribute("select", "id,generation"); partItem.setAttribute("maxRecords", "2"); partItem.setAttribute("orderBy", "generation DESC"); partItem.setPropertyCondition("generation", "ge"); partItem = partItem.apply(); if(partItem.isError()) { return innovator.newError("Error getting partItem " +partItem.getErrorString()); } if(partItem.getItemCount() > 1) { return innovator.newResult("ID of Previous Generation is " +partItem.getItemByIndex(1).getID()); } else { return innovator.newError("Previous Generation does not exist."); }

How can i get ID of previous generation

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