In my case the code below works:

using System;

using Aspose.Tasks;

 

namespace TestCompleteTask

{

    class Program

    {

        static void Main(string[] args)

        {

            License license = new License();

            license.SetLicense("Aspose.Tasks.lic");

 

            ProjectReader reader = new ProjectReader();

            Project project = reader.Read("Project1.xml");

 

            Task task = project.GetTaskByUid(1);

            task.PercentComplete = 100;

            task.ActualStart = task.Start;

            task.ActualFinish = task.Finish;

            task.ActualDuration = task.Duration;

            task.ActualWork = task.Work;

            task.ActualCost = task.Cost;

 

            ProjectWriter writer = new ProjectWriter();

            writer.Write(project, "Project2.xml", TasksDataFormat.XML);

        }

    }

}

In case your task has children they have to be completed too.

See test data and screen shot attached.

I have used the code below to create a completed new task to the project from my previous post:

using System;

using Aspose.Tasks;

 

namespace TestCompleteTask

{

    class Program

    {

        static void Main(string[] args)

        {

            License license = new License();

            license.SetLicense("Aspose.Tasks.lic");

 

            ProjectReader reader = new ProjectReader();

            Project project = reader.Read("Project1.xml");

            Calendar cal = project.Calendar;

 

            //Create a new completed task.

            Task task = new Task("New completed task.");

            task.Uid = project.NextTaskUid;

            task.Type = TaskType.FixedUnits;

            task.Start = new DateTime(2010, 12, 15, 8, 0, 0);

            task.Duration = new TimeSpan(80, 0, 0);

            task.Finish = project.Calendar.GetFinishDateByStartAndWork(task.Start, task.Duration);

            task.DurationFormat = TimeUnitType.Day;

 

            task.ActualStart = task.Start;

            task.ActualFinish = task.Finish;

            task.ActualDuration = task.Duration;

            task.PercentComplete = 100;

 

            //Have to add an empty resource assignments to the task to make it completed.

            ResourceAssignment ra = new ResourceAssignment();

            ra.Uid = project.NextResourceAssignmentUid;

            ra.Task = task;

            ra.Start = task.Start;

            ra.Finish = task.Finish;

            ra.TimephasedDataFromTaskDuration(cal);

            project.ResourceAssignments.Add(ra);

 

            //Complete old task.

            Task old_task = project.GetTaskByUid(1);

            old_task.PercentComplete = 100;

            old_task.ActualStart = task.Start;

            old_task.ActualFinish = task.Finish;

            old_task.ActualDuration = task.Duration;

 

            project.RootTask.Children.Add(task);

            project.CalcTaskIds();

            project.CalcResourceAssignmentIds();

           

            ProjectWriter writer = new ProjectWriter();

            writer.Write(project, "Project2.xml", TasksDataFormat.XML);

        }

    }

}

Now both tasks are shown as completed in MS Project 2003/2007/2010.

I have created a new issue "Add a method to change task progress." with ID = 22450 and linked it to this forum thread. We are going to add a new method to change task's progress automatically.

Sorry for the inconvenience.

Try to use the code below:

using System;

using Aspose.Tasks;

 

namespace TestCompleteTask

{

    class Program

    {

        static void Main(string[] args)

        {

            License license = new License();

            license.SetLicense("Aspose.Tasks.lic");

 

            ProjectReader reader = new ProjectReader();

            Project project = reader.Read("Project1.xml");

            Calendar cal = project.Calendar;

 

            //Create a new completed task.

            Task task = new Task("New completed task.");

            task.Uid = project.NextTaskUid;

            task.Type = TaskType.FixedUnits;

            task.Start = new DateTime(2010, 12, 15, 8, 0, 0);

            task.Duration = new TimeSpan(80, 0, 0);

            task.Finish = cal.GetFinishDateByStartAndWork(task.Start, task.Duration);

            task.DurationFormat = TimeUnitType.Day;

 

            task.ActualStart = task.Start;

            task.ActualFinish = task.Finish;

            task.ActualDuration = task.Duration;

            task.PercentComplete = 100;

 

            //Create a new resource.

            Resource resource = new Resource();

            resource.Name = "Employee";

            resource.Type = ResourceType.Work;

            resource.Work = task.Duration;

            resource.ActualWork = resource.Work;

            resource.Uid = project.NextResourceUid;

            project.Resources.Add(resource);

 

            //Create a resource assignment

            ResourceAssignment ra = new ResourceAssignment();

            ra.Uid = project.NextResourceAssignmentUid;

            ra.Task = task;

            ra.Resource = resource;

            ra.ActualWork = ra.Work = resource.Work;

            ra.Start = task.Start;

            ra.Finish = task.Finish;

            ra.Units = 1;

            ra.TimephasedDataFromTaskDuration(cal);

            project.ResourceAssignments.Add(ra);

 

            project.RootTask.Children.Add(task);

            project.CalcTaskIds();

            project.CalcResourceIds();

            project.CalcResourceAssignmentIds();

            

            ProjectWriter writer = new ProjectWriter();

            writer.Write(project, "Project2.xml", TasksDataFormat.XML);

        }

    }

}

It works OK with me.

I have tested the code above with MS Project 2003/2007/2010 and the tasks are shown as 100% completed. Could you share your code and data samples to check the issue on our side?

Any information is highly appreciated! Thank you for your cooperation!

The empty assignment is not always necessary, but MS Project creates it for each new task (to track the task duration, work and splits) so I just followed it. In case if the task was created in MS Project the file contains the assignment.

I am going to create a sample for Steve's case, but I would recommend to create a template and read it in XML format instead of creation in run time.

I have not tested your code yet, I just wrote about the 99% problem which I have not seen before...

Sorry for the misleading.

See below a sample when a project was created from scratch:

using System;

using Aspose.Tasks;

 

namespace TestCompleteTask

{

    class Program

    {

        static void Main(string[] args)

        {

            License license = new License();

            license.SetLicense("Aspose.Tasks.lic");

 

            Project project = new Project();

            project.StartDate = new DateTime(2010, 12, 15, 8, 0, 0);

            project.FinishDate = new DateTime(2011, 12, 31, 17, 0, 0);

            project.MinutesPerDay = 8 * 60;

            project.MinutesPerWeek = 5 * 8 * 60;

            project.DaysPerMonth = 20;

            project.DefaultStartTime = new DateTime(1, 1, 1, 8, 0, 0);

            project.DefaultFinishTime = new DateTime(1, 1, 2, 17, 0, 0);

            project.DurationFormat = TimeUnitType.Hour;

            project.WorkFormat = TimeUnitType.Hour;

            Calendar standard = new Calendar("Standard");

            standard = Calendar.MakeStandardCalendar(standard);

            project.Calendars.Add(standard);

            project.Calendar = standard;

 

            Calendar employeeCalendar = new Calendar("Employee");

            employeeCalendar.BaseCalendar = standard;

            project.Calendars.Add(employeeCalendar);

 

            //Create root task.

            Task root = new Task();

            root.Uid = project.NextTaskUid;

            root.Type = TaskType.FixedUnits;

            project.RootTask = root;

 

            //Create a new completed task.

            Task task = new Task("New completed task.");

            task.Uid = project.NextTaskUid;

            task.Type = TaskType.FixedUnits;

            task.Start = new DateTime(2010, 12, 15, 8, 0, 0);

            task.Duration = new TimeSpan(80, 0, 0);

            task.Finish = standard.GetFinishDateByStartAndWork(task.Start, task.Duration);

            task.DurationFormat = TimeUnitType.Day;

            task.Work = task.Duration;

            task.RegularWork = task.Work;          

          

            task.ActualStart = task.Start;

            task.ActualFinish = task.Finish;

            task.ActualDuration = task.Duration;

            task.ActualWork = task.Work;

            task.PercentComplete = 100;

 

            project.RootTask.Children.Add(task);

 

            //Create a root resource.

            Resource res = new Resource();

            res.Uid = project.NextResourceUid;

            project.Resources.Add(res);

 

            //Create a new resource.

            Resource resource = new Resource();

            resource.Name = "Employee";

            resource.Type = ResourceType.Work;

            resource.Work = task.Duration;

            resource.RegularWork = resource.Work;

            resource.ActualWork = resource.Work;

            resource.Uid = project.NextResourceUid;

            resource.Calendar = employeeCalendar;

            project.Resources.Add(resource);

 

            //Create a resource assignment.

            ResourceAssignment ra = new ResourceAssignment();

            ra.Uid = project.NextResourceAssignmentUid;

            ra.Task = task;

            ra.Resource = resource;

            ra.ActualWork = resource.Work;

            ra.Work = resource.Work;

            ra.RegularWork = resource.Work;

            ra.Start = task.Start;

            ra.Finish = task.Finish;

            ra.ActualStart = ra.Start;

            ra.ActualFinish = ra.Finish;

            ra.Units = 1;

            project.ResourceAssignments.Add(ra);

 

            project.CalcCalendarUids();

            project.CalcTaskIds();

            project.CalcResourceIds();

            project.CalcResourceAssignmentIds();

           

            ProjectWriter writer = new ProjectWriter();

            writer.Write(project, "Project3.xml", TasksDataFormat.XML);

        }

    }

}

Again I can see the task as 100% completed in MS Project (2007).