TheProgramForTheTechnicalSupportDepartment/Practics/Views/AdminTicketWindow.xaml

<Window x:Class="Practics.AdminTicketWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:xctk="http://schemas.xceed.com/wpf/xaml/toolkit"
        xmlns:local="clr-namespace:Practics"
        mc:Ignorable="d"
        Title="Администратор" Height="450" Width="850" Loaded="Window_Loaded">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="100"/>
            <RowDefinition/>
            <RowDefinition Height="40"/>
        </Grid.RowDefinitions>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="160"/>
            <ColumnDefinition Width="*"/>
            <ColumnDefinition Width="150"/>
        </Grid.ColumnDefinitions>
        <UniformGrid Grid.Row="0" Grid.Column="1" Grid.ColumnSpan="2" Columns="2" Rows="4">

            <TextBlock Text="Начало периода"/>
            <xctk:DateTimePicker x:Name="dtpStartPeriod"/>
            <TextBlock Text="Окончание периода"/>
            <xctk:DateTimePicker x:Name="dtpFinishPeriod"/>
            <TextBlock>Статус</TextBlock>
            <ComboBox x:Name="cbProblemStatus" Text="Все"></ComboBox>
            <TextBlock>Тип заявки</TextBlock>
            <ComboBox x:Name="cbProblemType" Text="Все"></ComboBox>


        </UniformGrid>
        <Button x:Name="btnReport" Grid.Column="2" Grid.Row="4" Margin="2" Click="btnReport_Click">Отчет</Button>
        <Button x:Name="btnFilter" Grid.Column="1" Grid.Row="2" Margin="2" Width="100" Click="btnFilter_Click">Фильтр</Button>
        <DataGrid Grid.Row="1" Grid.Column="1" Grid.ColumnSpan="2" x:Name="dgTickets" AutoGenerateColumns="False" SelectionChanged="dgTickets_SelectionChanged" SelectionUnit="FullRow" IsReadOnly="True" CanUserAddRows="False">
            <DataGrid.Columns>
                <!-- Остальные столбцы вашей таблицы -->
                <!--<DataGridTextColumn Header="ID Problem" Binding="{Binding Id}" />-->
                <DataGridTextColumn Header="Фамилия" Binding="{Binding LastName}" />
                <DataGridTextColumn Header="Имя" Binding="{Binding FirstName}" />
                <DataGridTextColumn Header="Отчество" Binding="{Binding MiddleName}" />
                <DataGridTextColumn Header="Краткое описание" Binding="{Binding ProblemName}" />
                <DataGridComboBoxColumn x:Name="dgcbcStatus"  SelectedValueBinding="{Binding ProblemStatusID}" Header="Статус" />
                <DataGridComboBoxColumn x:Name="dgcbcProblemType"  SelectedValueBinding="{Binding ProblemTypeID}" Header="Тип" />

                <DataGridTemplateColumn Header="Дата заявки">
                    <DataGridTemplateColumn.CellTemplate>
                        <DataTemplate>
                            <!-- Добавляем DatePicker в шаблон столбца -->
                            <xctk:DateTimePicker Value="{Binding ProblemTime, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}" />
                        </DataTemplate>
                    </DataGridTemplateColumn.CellTemplate>
                </DataGridTemplateColumn>

                <DataGridTemplateColumn Header="Обработать">
                    <DataGridTemplateColumn.CellTemplate>
                        <DataTemplate>
                            <Button x:Name="btnProcessWindow" Click="btnProcessWindow_Click">Обработать</Button>
                        </DataTemplate>
                    </DataGridTemplateColumn.CellTemplate>
                </DataGridTemplateColumn>

            </DataGrid.Columns>

        </DataGrid>
        <StackPanel Grid.Row="1" Grid.Column="0">
            <Button x:Name="btnUpdateProblems" Click="btnUpdateProblems_Click">Обновить БД</Button>
            <Button x:Name="btnReadProblems" Click="btnReadProblems_Click">Считать данные из БД</Button>
            <Button x:Name="btnShowNotesWindow" Click="btnShowNotesWindow_Click">База знаний</Button>
            <Button x:Name="btnExit" Click="btnExit_Click">Выход</Button>
        </StackPanel>

    </Grid>
</Window>