disable a field base on another field

Question

I am trying to disable the quantity field on a sales order whenever there is a linked production order. To be honest, im not even entirely sure what extension is adding this field to the soline. i dont see it on soline, or SOLineExt. I did find it on SOLineMFGOnly, but that seems to be just a projection. i tried adding the below code line to the quantity field and it does make the field readonly when there is a production order, but if i unlink the production order or delete the production order the quantity field is still disabled. i looked at the below post but when i try to use SOLineMFGOnly in the get extension, it doesnt recognize it.

[PXUIEnabled(typeof(Where<SOLineMfgOnly.aMProdOrdID, IsNull>))]

Best answer by aleksandrsechin

@justen0351 , the field you’re looking for is defined in the SOLineExt DAC extension, but under the PX.Objects.AM.CacheExtensions namespace. That’s why you need to adjust your PXUIEnabled attribute as follows:

[PXUIEnabled(typeof(Where<PX.Objects.AM.CacheExtensions.SOLineExt.aMProdOrdID, IsNull>))]

Result:

aleksandrsechin · Accepted Answer

​@justen0351, the field you’re looking for is defined in the SOLineExt DAC extension, but under the PX.Objects.AM.CacheExtensions namespace. That’s why you need to adjust your PXUIEnabled attribute as follows:[PXUIEnabled(typeof(Where<PX.Objects.AM.CacheExtensions.SOLineExt.aMProdOrdID, IsNull>))]Result:

aleksejslusar19 · Answer

Hi @justen0351I don't quite understand your condition used to set the SOLine.orderQty field to read-only or not. But in general, this can be implemented as follows:public class SOOrderEntryExt : PXGraphExtension{ protected virtual void _(Events.RowSelected e, PXRowSelected baseHandler) { baseHandler?.Invoke(e.Cache, e.Args); if (e.Row is not SOLine row) return; // Custom logic to execute when a SOLine row is selected bool isReadOnly = //your expression returning true or false; PXUIFieldAttribute.SetReadOnly(e.Cache, e.Row, isReadOnly); }}

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