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Asked: 2026-05-26T21:31:45+00:00

I have 2 ObservableCollections where I compare the data. If the data is different

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I have 2 ObservableCollections where I compare the data. If the data is different I add the task to a new ObservableCollection. Now My question is: “Is there a way to highlight the one variable which is different so it is easy to find it?”.

Here is a part of my comparation code:

public void CompareNow()
    {
        Repository onlineRepository = new Repository(App.SharePointSiteLink);
        ObservableCollection<Task> tempLocalTasks = new ObservableCollection<Task>();
        ObservableCollection<Task> tempOnlineTasks = new ObservableCollection<Task>(); 

        tempLocalTasks.Clear();
        tempOnlineTasks.Clear();

        onlineRepository.DownloadTasks();
        onlineRepository.UpdateTasksToShow();
        onlineRepository.UpdateEmployees();
        onlineRepository.UpdateWorkareas();
        onlineRepository.UpdateWorkAreaByEmployee();

        foreach (Task onlineTask in onlineRepository.Tasks)
        {
            foreach (Task localTask in TasksToShow)
            {
                if (localTask.TaskID == onlineTask.TaskID)
                    if (localTask.StartDate != onlineTask.StartDate || localTask.ActualHours != onlineTask.ActualHours || localTask.EstimatedHours != onlineTask.EstimatedHours || localTask.Status != onlineTask.Status || localTask.Priority != onlineTask.Priority || localTask.Category != onlineTask.Category || localTask.TaskName != onlineTask.TaskName)
                    {
                        tempLocalTasks.Add(localTask);
                        tempOnlineTasks.Add(onlineTask);
                    }
            }
        }

        LocalTasks.Clear();
        OnlineTasks.Clear();

        foreach (Task tempLocalTask in tempLocalTasks.OrderBy(x => x.TaskID))
        {
            LocalTasks.Add(tempLocalTask);
        }

        foreach (Task tempOnlineTask in tempOnlineTasks.OrderBy(x => x.TaskID))
        {
            OnlineTasks.Add(tempOnlineTask);
        }

        changesCount = LocalTasks.Count;
    }

Here is my View code:

<Grid Grid.Row="0" Grid.Column="0" Grid.ColumnSpan="2">
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="*"></ColumnDefinition>
            <ColumnDefinition Width="90"></ColumnDefinition>
            <ColumnDefinition Width="*"></ColumnDefinition>
        </Grid.ColumnDefinitions>

        <TextBlock Text="Local tasks" Grid.Column="0" Style="{StaticResource titleStyle}"></TextBlock>
        <TextBlock Text="{Binding ChangesCount}" Grid.Column="1" Style="{StaticResource titleStyle}"></TextBlock>
        <TextBlock Text="Online tasks" Grid.Column="2" Style="{StaticResource titleStyle}"></TextBlock>
        <Button Grid.Column="2" HorizontalAlignment="Right" VerticalAlignment="Top" Height="20" Width="20" Margin="0,2,5,0" Click="Button_Click">
            <Image Source="/ResourcePlanningTool;component/Images/print.png"></Image>
        </Button>
    </Grid>

    <DockPanel Grid.Column="0" Grid.Row="1">
        <ScrollViewer Name="localScrollViewer" ScrollChanged="localScrollViewer_ScrollChanged" HorizontalScrollBarVisibility="Visible">
            <DataGrid Name="localDatagrid" Grid.ColumnSpan="2" AutoGenerateColumns="False" ItemsSource="{Binding LocalTasks}" IsReadOnly="True" Margin="2" SelectionChanged="localDatagrid_SelectionChanged" PreviewMouseWheel="localDatagrid_PreviewMouseWheel" LoadingRow="localDatagrid_LoadingRow" MouseMove="localDatagrid_MouseMove">
                <DataGrid.Columns>
                    <DataGridTextColumn Header="Task ID" Binding="{Binding Path=TaskID}"></DataGridTextColumn>
                    <DataGridTextColumn Binding="{Binding Path=TaskName}" Header="Task name" />
                    <DataGridTextColumn Binding="{Binding Path=TaskResponsible}" Header="Task responsible" />
                    <DataGridTextColumn Binding="{Binding Path=TaskResponsibleDepartment}" Header="Task responsible department"></DataGridTextColumn>
                    <DataGridTextColumn Binding="{Binding Path=Category}" Header="Category" />
                    <DataGridTextColumn Binding="{Binding Path=Status}" Header="Status" ></DataGridTextColumn>
                    <DataGridTextColumn Binding="{Binding Path=Priority}" Header="Priority" />
                    <DataGridTextColumn Binding="{Binding Path=StartDate, StringFormat={}{0:yyyy MMMM dd}}" Header="Start date"></DataGridTextColumn>
                    <DataGridTextColumn Binding="{Binding Path=ActualHours.TotalHours, StringFormat={}{0:0}}" Header="Actual hours" />
                    <DataGridTextColumn Binding="{Binding Path=EstimatedHours.TotalHours, StringFormat={}{0:0}}" Header="Estimated hours" />
                    <DataGridTextColumn Binding="{Binding Path=EstimatedDeploymentDate, StringFormat={}{0:yyyy MMMM dd}}" Header="Estimated deployment date" />
                    <DataGridTextColumn Binding="{Binding Path=DesiredImplementationDate, StringFormat={}{0:yyyy MMMM dd}}" Header="Desired deployment date" />
                    <DataGridTextColumn Binding="{Binding Path=APP.StartDate, StringFormat={}{0:yyyy MMMM dd}}" Header="APP - Start Date"></DataGridTextColumn>
                    <DataGridTextColumn Binding="{Binding Path=APP.EstimatedHours}" Header="APP - Estimated hours"></DataGridTextColumn>
                    <DataGridTextColumn Binding="{Binding Path=APP.ActualHours}" Header="APP - Actual hours"></DataGridTextColumn>
                    <DataGridTextColumn Binding="{Binding Path=IN.StartDate, StringFormat={}{0:yyyy MMMM dd}}" Header="IN - Start Date"></DataGridTextColumn>
                    <DataGridTextColumn Binding="{Binding Path=IN.EstimatedHours}" Header="IN - Estimated hours"></DataGridTextColumn>
                    <DataGridTextColumn Binding="{Binding Path=IN.ActualHours}" Header="IN - Actual hours"></DataGridTextColumn>
                    <DataGridTextColumn Binding="{Binding Path=SIS.StartDate, StringFormat={}{0:yyyy MMMM dd}}" Header="SIS - Start Date"></DataGridTextColumn>
                    <DataGridTextColumn Binding="{Binding Path=SIS.EstimatedHours}" Header="SIS - Estimated hours"></DataGridTextColumn>
                    <DataGridTextColumn Binding="{Binding Path=SIS.ActualHours}" Header="SIS - Actual hours"></DataGridTextColumn>
                    <DataGridTextColumn Binding="{Binding Path=Tags}" Header="Tags"></DataGridTextColumn>
                </DataGrid.Columns>
            </DataGrid>
        </ScrollViewer>
    </DockPanel>

    <DockPanel Grid.Column="1" Grid.Row="1">
        <ScrollViewer Name="onlineScrollViewer" ScrollChanged="onlineScrollViewer_ScrollChanged" VerticalScrollBarVisibility="Hidden" HorizontalScrollBarVisibility="Visible">
            <DataGrid Name="onlineDatagrid" AutoGenerateColumns="False" ItemsSource="{Binding OnlineTasks}" IsReadOnly="True" Margin="2" SelectionChanged="onlineDatagrid_SelectionChanged" PreviewMouseWheel="onlineDatagrid_PreviewMouseWheel">
                <DataGrid.Columns>
                    <DataGridTemplateColumn Header="Task ID" CellTemplate="{StaticResource hyperlinkTemplate}"></DataGridTemplateColumn>
                    <DataGridTextColumn Binding="{Binding Path=TaskName}" Header="Task name" />
                    <DataGridTextColumn Binding="{Binding Path=TaskResponsible}" Header="Task responsible" />
                    <DataGridTextColumn Binding="{Binding Path=TaskResponsibleDepartment}" Header="Task responsible department"></DataGridTextColumn>
                    <DataGridTextColumn Binding="{Binding Path=Category}" Header="Category" />
                    <DataGridTextColumn Binding="{Binding Path=Status}" Header="Status" ></DataGridTextColumn>
                    <DataGridTextColumn Binding="{Binding Path=Priority}" Header="Priority" />
                    <DataGridTextColumn Binding="{Binding Path=StartDate, StringFormat={}{0:yyyy MMMM dd}}" Header="Start date"></DataGridTextColumn>
                    <DataGridTextColumn Binding="{Binding Path=ActualHours.TotalHours, StringFormat={}{0:0}}" Header="Actual hours" />
                    <DataGridTextColumn Binding="{Binding Path=EstimatedHours.TotalHours, StringFormat={}{0:0}}" Header="Estimated hours" />
                    <DataGridTextColumn Binding="{Binding Path=EstimatedDeploymentDate, StringFormat={}{0:yyyy MMMM dd}}" Header="Estimated deployment date" />
                    <DataGridTextColumn Binding="{Binding Path=DesiredImplementationDate, StringFormat={}{0:yyyy MMMM dd}}" Header="Desired deployment date" />
                    <DataGridTextColumn Binding="{Binding Path=APP.StartDate, StringFormat={}{0:yyyy MMMM dd}}" Header="APP - Start Date"></DataGridTextColumn>
                    <DataGridTextColumn Binding="{Binding Path=APP.EstimatedHours}" Header="APP - Estimated hours"></DataGridTextColumn>
                    <DataGridTextColumn Binding="{Binding Path=APP.ActualHours}" Header="APP - Actual hours"></DataGridTextColumn>
                    <DataGridTextColumn Binding="{Binding Path=IN.StartDate, StringFormat={}{0:yyyy MMMM dd}}" Header="IN - Start Date"></DataGridTextColumn>
                    <DataGridTextColumn Binding="{Binding Path=IN.EstimatedHours}" Header="IN - Estimated hours"></DataGridTextColumn>
                    <DataGridTextColumn Binding="{Binding Path=IN.ActualHours}" Header="IN - Actual hours"></DataGridTextColumn>
                    <DataGridTextColumn Binding="{Binding Path=SIS.StartDate, StringFormat={}{0:yyyy MMMM dd}}" Header="SIS - Start Date"></DataGridTextColumn>
                    <DataGridTextColumn Binding="{Binding Path=SIS.EstimatedHours}" Header="SIS - Estimated hours"></DataGridTextColumn>
                    <DataGridTextColumn Binding="{Binding Path=SIS.ActualHours}" Header="SIS - Actual hours"></DataGridTextColumn>
                    <DataGridTextColumn Binding="{Binding Path=Tags}" Header="Tags"></DataGridTextColumn>
                </DataGrid.Columns>
            </DataGrid>
        </ScrollViewer>
    </DockPanel>
</Grid>
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1 Answer

  1. Editorial Team

    I found an solution of doing this other way. What I did was instead of having two result collections I combined the result in one collection, which then only is showing the variables with errors.

    Here is a picture of before

    enter image description here

    And here is a picture of after

    enter image description here

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