Hello Dear I have Entity ServiceTypeEntity has been generate from SD.LLBLGen.Pro.DQE.SqlServer.NET20.dll SD.LLBLGen.Pro.LinqSupportClasses.NET35.dll SD.LLBLGen.Pro.ORMSupportClasses.NET20.dll

Now I'm wanna add five columns to Entity like pictures in attachment. ServiceTypeEntity.cs is package in dll file. How to build by add new five columns and package in file MP.LayerHelper.ChainSurvey.DAL.dll I'm using LLBLGEN Pro 5.2

Thank so much for your assistance

use the designer to sync your project (https://www.llblgen.com/Documentation/5.2/Designer/Functionality%20Reference/SyncTab.htm) , then regenerate your code. The runtime dlls you're mentioning are very old, v5 doesn't use linqsupportclasses anymore (not since v4)