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Grid.ShowGridLines Property

Gets or sets a value that indicates whether grid lines are visible within this Grid.

Namespace:  System.Windows.Controls
Assembly:  PresentationFramework (in PresentationFramework.dll)
XMLNS for XAML: http://schemas.microsoft.com/winfx/2006/xaml/presentation, http://schemas.microsoft.com/netfx/2007/xaml/presentation

public bool ShowGridLines { get; set; }
<object ShowGridLines="bool" .../>

Property Value

Type: System.Boolean
true if grid lines are visible; otherwise, false. The default value is false.

Identifier field

ShowGridLinesProperty

Metadata properties set to true

None

Enabling grid lines creates dotted lines around all the elements within a Grid. Only dotted lines are available because this property is intended as a design tool to debug layout problems and is not intended for use in production quality code. If you want lines inside a Grid, style the elements within the Grid to have borders.

The following example shows how to create and use an instance of Grid by using either Extensible Application Markup Language (XAML) or code. This example uses three ColumnDefinition objects and three RowDefinition objects to create a grid that has nine cells, such as in a worksheet. Each cell contains a TextBlock element that represents data, and the top row contains a TextBlock with the ColumnSpan property applied. To show the boundaries of each cell, the ShowGridLines property is enabled.


            // Create the application's main window
            mainWindow = new Window();
            mainWindow.Title = "Grid Sample";

            // Create the Grid
            Grid myGrid = new Grid();
            myGrid.Width = 250;
            myGrid.Height = 100;
            myGrid.HorizontalAlignment = HorizontalAlignment.Left;
            myGrid.VerticalAlignment = VerticalAlignment.Top;
            myGrid.ShowGridLines = true;

            // Define the Columns
            ColumnDefinition colDef1 = new ColumnDefinition();
            ColumnDefinition colDef2 = new ColumnDefinition();
            ColumnDefinition colDef3 = new ColumnDefinition();
            myGrid.ColumnDefinitions.Add(colDef1);
            myGrid.ColumnDefinitions.Add(colDef2);
            myGrid.ColumnDefinitions.Add(colDef3);

            // Define the Rows
            RowDefinition rowDef1 = new RowDefinition();
            RowDefinition rowDef2 = new RowDefinition();
            RowDefinition rowDef3 = new RowDefinition();
            RowDefinition rowDef4 = new RowDefinition();
            myGrid.RowDefinitions.Add(rowDef1);
            myGrid.RowDefinitions.Add(rowDef2);
            myGrid.RowDefinitions.Add(rowDef3);
            myGrid.RowDefinitions.Add(rowDef4);

            // Add the first text cell to the Grid
            TextBlock txt1 = new TextBlock();
            txt1.Text = "2005 Products Shipped";
            txt1.FontSize = 20; 
            txt1.FontWeight = FontWeights.Bold;
            Grid.SetColumnSpan(txt1, 3);
            Grid.SetRow(txt1, 0);

            // Add the second text cell to the Grid
            TextBlock txt2 = new TextBlock();
            txt2.Text = "Quarter 1";
            txt2.FontSize = 12;
            txt2.FontWeight = FontWeights.Bold;
            Grid.SetRow(txt2, 1);
            Grid.SetColumn(txt2, 0);

            // Add the third text cell to the Grid
            TextBlock txt3 = new TextBlock();
            txt3.Text = "Quarter 2";
            txt3.FontSize = 12;
            txt3.FontWeight = FontWeights.Bold;
            Grid.SetRow(txt3, 1);
            Grid.SetColumn(txt3, 1);

            // Add the fourth text cell to the Grid
            TextBlock txt4 = new TextBlock();
            txt4.Text = "Quarter 3";
            txt4.FontSize = 12;
            txt4.FontWeight = FontWeights.Bold;
            Grid.SetRow(txt4, 1);
            Grid.SetColumn(txt4, 2);

            // Add the sixth text cell to the Grid
            TextBlock txt5 = new TextBlock();
            Double db1 = new Double();
            db1 = 50000;
            txt5.Text = db1.ToString();
            Grid.SetRow(txt5, 2);
            Grid.SetColumn(txt5, 0);

            // Add the seventh text cell to the Grid
            TextBlock txt6 = new TextBlock();
            Double db2 = new Double();
            db2 = 100000;
            txt6.Text = db2.ToString();
            Grid.SetRow(txt6, 2);
            Grid.SetColumn(txt6, 1);

            // Add the final text cell to the Grid
            TextBlock txt7 = new TextBlock();
            Double db3 = new Double();
            db3 = 150000;
            txt7.Text = db3.ToString();
            Grid.SetRow(txt7, 2);
            Grid.SetColumn(txt7, 2);

            // Total all Data and Span Three Columns
            TextBlock txt8 = new TextBlock();
            txt8.FontSize = 16;
            txt8.FontWeight = FontWeights.Bold;
            txt8.Text = "Total Units: " + (db1 + db2 + db3).ToString();
            Grid.SetRow(txt8, 3);
            Grid.SetColumnSpan(txt8, 3);

            // Add the TextBlock elements to the Grid Children collection
            myGrid.Children.Add(txt1);
            myGrid.Children.Add(txt2);
            myGrid.Children.Add(txt3);
            myGrid.Children.Add(txt4);
            myGrid.Children.Add(txt5);
            myGrid.Children.Add(txt6);
            myGrid.Children.Add(txt7);
            myGrid.Children.Add(txt8);

            // Add the Grid as the Content of the Parent Window Object
            mainWindow.Content = myGrid;
            mainWindow.Show ();
<Page xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" WindowTitle="Grid Sample">
    <Grid VerticalAlignment="Top" HorizontalAlignment="Left" ShowGridLines="True" Width="250" Height="100">
      <Grid.ColumnDefinitions>
        <ColumnDefinition />
        <ColumnDefinition />
        <ColumnDefinition />
      </Grid.ColumnDefinitions>
      <Grid.RowDefinitions>
        <RowDefinition />
        <RowDefinition />
        <RowDefinition />
        <RowDefinition />
      </Grid.RowDefinitions>

      <TextBlock FontSize="20" FontWeight="Bold" Grid.ColumnSpan="3" Grid.Row="0">2005 Products Shipped</TextBlock>
      <TextBlock FontSize="12" FontWeight="Bold" Grid.Row="1" Grid.Column="0">Quarter 1</TextBlock>
      <TextBlock FontSize="12" FontWeight="Bold" Grid.Row="1" Grid.Column="1">Quarter 2</TextBlock>
      <TextBlock FontSize="12" FontWeight="Bold" Grid.Row="1" Grid.Column="2">Quarter 3</TextBlock>
      <TextBlock Grid.Row="2" Grid.Column="0">50000</TextBlock>
      <TextBlock Grid.Row="2" Grid.Column="1">100000</TextBlock>
      <TextBlock Grid.Row="2" Grid.Column="2">150000</TextBlock>
      <TextBlock FontSize="16" FontWeight="Bold" Grid.ColumnSpan="3" Grid.Row="3">Total Units: 300000</TextBlock>
    </Grid>
</Page>

More Code

How to: Create a Complex GridThis example shows how to use a Grid to create layout that looks like a monthly calendar.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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