问题描述
下面是扩展DAC和图代码，INRegisterKitAssemblyExt是DAC，我为此创建了一个数据库表。我想将usrSiteID值保存在INRegisterKitAssemblyExt（separate）数据库表中。请检查如何使用INKitRegister DAC初始化扩展DAC并保存该值以及如何在UI中使用usrSiteId？
Below is extension DAC and Graph code, INRegisterKitAssemblyExt is a DAC, i have created a database table for that. i want to save usrSiteID value in INRegisterKitAssemblyExt(separate) database table. Please check how may i initialize extension DAC with INKitRegister DAC and save the value and how to use usrSiteId in UI?
[PXTable(typeof(INKitRegister.refNbr), typeof(INKitRegister.KitRevisionId))]
public class INRegisterKitAssemblyExt: PXCacheExtension<INKitRegister> {
#region RefNbr
public abstract class refNbr:PX.Data.BQL.BqlString.Field<refNbr> {
}
protected String _RefNbr;
[PXDBDefault(typeof(INKitRegister.refNbr))]
[PXDBString()]
[PXParent(typeof(Select<INKitRegister, Where<INKitRegister.refNbr, Equal<Current<refNbr>>,And<INKitRegister.kitRevisionID, Equal<Current<kitRevisionID>>>>>))]
public virtual String RefNbr {
get {
return this._RefNbr;
}
set {
this._RefNbr = value;
}
}
#endregion
#region KitRevisionID
public abstract class kitRevisionID:PX.Data.BQL.BqlString.Field<kitRevisionID> {
}
protected String _KitRevisionID;
[PXDBDefault(typeof(INKitRegister.kitRevisionID))]
[PXDBString()]
public virtual String KitRevisionID {
get {
return this._KitRevisionID;
}
set {
this._KitRevisionID = value;
}
}
#endregion
// My Fields as well as refNbr and KitRevison is also here
public virtual int? UsrQCSiteID {
get; set;
}
public abstract class usrQCSiteID:PX.Data.BQL.BqlInt.Field<usrQCSiteID> {
}
}
// Extension Graph
public class KitAssemblyEntryExt:PXGraphExtension<KitAssemblyEntry> {
}
推荐答案
INRegisterKitAssemblyExt在您的代码示例中不是DAC。
DAC继承自IBqlTable基类。
INRegisterKitAssemblyExt in your code example is not a DAC. DAC inherits from the IBqlTable base class.
INRegisterKitAssemblyExt是DAC扩展。
DAC扩展继承自PXCacheExtension基类。
切勿为DAC扩展创建数据库表。
INRegisterKitAssemblyExt in your code example is a DAC extension.DAC extensions inherits from the PXCacheExtension base class.You should never create database table for DAC extensions.
DAC扩展中的自定义字段将自动保存到基本DAC表中。
此处的主要问题是INKitRegister不是DAC绑定到数据库表。
这是一个投影DAC，INKitRegister数据库表不存在。
Custom fields in DAC extension will be persisted to the base DAC table automatically.The main issue here is that INKitRegister is not DAC bound to a database table.It's a Projection DAC and the INKitRegister database table does not exist.
INKitRegister DAC投影指向INRegister DAC：
The INKitRegister DAC projection points to the INRegister DAC:
[PXPrimaryGraph(typeof(KitAssemblyEntry))]
[PXCacheName(Messages.INKit)]
[PXProjection(typeof(Select2<INRegister, InnerJoin<INTran, On<INRegister.FK.KitTran>>>), Persistent=true)]
[Serializable]
public partial class INKitRegister : IBqlTable, ILSPrimary
您应该在INRegister DAC而不是INKitRegister上创建扩展名，因为INRegister绑定到同名的实际数据库表：
You should create an extension on the INRegister DAC instead of INKitRegister because INRegister is bounded to an actual database table of the same name:
public class INRegisterKitAssemblyExt: PXCacheExtension<INRegister>
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