im trying to make a simple acivity for uipath in c# , i had used the System.Activties versoin 4.0.0.0
and inside the nuget pakage explorer i had created net461 and net6.0-windows7.0 folders respectedly also in the depenecy section i had added the target framework as the same as the folder names
i dont know why but when im using the activity in windows compatblity (net.6.0 +) project settings in uipath im getting this error
Unexpected error has occurred during the library compilation process:The assembly compilation returned the following errors: * (1,7939): error CS0012: The type 'CodeActivity' is defined in an assembly that is not referenced. You must add a reference to assembly 'System.Activities, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'. * (1,7939): error CS0117: 'ConcatString' does not contain a definition for 'DisplayName' * (1,7954): error CS0012: The type 'InArgument<>' is defined in an assembly that is not referenced. You must add a reference to assembly 'System.Activities, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'. * (1,8181): error CS0012: The type 'OutArgument<>' is defined in an assembly that is not referenced. You must add a reference to assembly 'System.Activities, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'. * (1,8435): error CS0012: The type 'InArgument<>' is defined in an assembly that is not referenced. You must add a reference to assembly 'System.Activities, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'. * (1,7840): error CS0012: The type 'CodeActivity' is defined in an assembly that is not referenced. You must add a reference to assembly 'System.Activities, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'.I dont know what is happening i also had a System.Activties version 6.0.0.0 it works all fine in both windows and windows legacy projects (.net6.0+ and v4.6.1+)
this is the code for the activity
using System.Activities;using System.ComponentModel;namespace String_Concatination{ public class ConcatString : CodeActivity { [RequiredArgument] [Category("Input")] [DisplayName("First String")] [Description("Enter First String")] public InArgument<string> FirstString { get; set; } [RequiredArgument] [Category("Input")] [DisplayName("Second String")] [Description("Enter Second String")] public InArgument<string> SecondString { get; set; } [Category("Output")] [DisplayName("Result")] public OutArgument<string> OutputString { get; set; } protected override void Execute(CodeActivityContext context) { var firstString = FirstString.Get(context); var secondString = SecondString.Get(context); var outString = firstString + secondString; OutputString.Set(context,outString); } }}and here is the code of the metadata reference in the NuGet package explorer
<?xml version="1.0" encoding="utf-8"?><package xmlns="http://schemas.microsoft.com/packaging/2012/06/nuspec.xsd"><metadata><id>ConcatString.Activities</id><version>1.0.5</version><title>ConcatString.Activities</title><authors>Sagar Raval</authors><owners>Feat Systems</owners><requireLicenseAcceptance>false</requireLicenseAcceptance><description>This Activity Helps to Concatinate Two String</description><dependencies><group targetFramework=".NETFramework4.6.1" /><group targetFramework="net6.0-windows7.0" /></dependencies></metadata></package>im doing a simple string concatenation so i didnt have any dependencies or package , thats the reason in the metadata code you are not able to see any dependencies in there respected target frameworks