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DataGridView.ColumnHeadersBorderStyle Property

Note: This property is new in the .NET Framework version 2.0.

Gets the border style applied to the column headers.

Namespace: System.Windows.Forms
Assembly: System.Windows.Forms (in system.windows.forms.dll)

public DataGridViewHeaderBorderStyle ColumnHeadersBorderStyle { get; set; }
/** @property */
public DataGridViewHeaderBorderStyle get_ColumnHeadersBorderStyle ()

/** @property */
public void set_ColumnHeadersBorderStyle (DataGridViewHeaderBorderStyle value)

public function get ColumnHeadersBorderStyle () : DataGridViewHeaderBorderStyle

public function set ColumnHeadersBorderStyle (value : DataGridViewHeaderBorderStyle)

Property Value

One of the DataGridViewHeaderBorderStyle values.

Exception typeCondition

InvalidEnumArgumentException

The specified value when setting this property is not a valid DataGridViewHeaderBorderStyle value.

ArgumentException

The specified value when setting this property is Custom.

If the ColumnHeadersBorderStyle property is set to anything other than Single, the GridColor property must be a system color.

You cannot set this property to the Custom value, which is a read-only value indicating that the border style has been customized through the use of the AdvancedColumnHeadersBorderStyle property.

NoteNote

If visual styles are enabled for the application through the Application.EnableVisualStyles method and the EnableHeadersVisualStyles property is true, the column headers are painted using the current theme. In this case, the value of the ColumnHeadersBorderStyle property is ignored for all column headers except the TopLeftHeaderCell, to which the theme is not applied.

The following code example demonstrates how to set the ColumnHeadersDefaultCellStyle, AutoSizeRowsMode, ColumnHeadersBorderStyle, CellBorderStyle, GridColor, BackgroundColor, RowHeadersVisible, SelectionMode, ColumnCount, and MultiSelect properties. In addition, the code example demonstrates how to set the DataGridViewColumn.Name and DataGridViewColumn.DefaultCellStyle properties. To run this example, paste the code into a form that contains a DataGridView named dataGridView1, and then call the SetUpDataGridView method from the form's constructor or Load event handler. Ensure all events are associated with their event handlers.

private void SetUpDataGridView()
{
    this.Controls.Add(dataGridView1);
    dataGridView1.ColumnCount = 5;
    DataGridViewCellStyle style = 
        dataGridView1.ColumnHeadersDefaultCellStyle;
    style.BackColor = Color.Navy;
    style.ForeColor = Color.White;
    style.Font = new Font(dataGridView1.Font, FontStyle.Bold);

    dataGridView1.EditMode = DataGridViewEditMode.EditOnEnter;
    dataGridView1.Name = "dataGridView1";
    dataGridView1.Location = new Point(8, 8);
    dataGridView1.Size = new Size(500, 300);
    dataGridView1.AutoSizeRowsMode = 
        DataGridViewAutoSizeRowsMode.DisplayedCellsExceptHeaders;
    dataGridView1.ColumnHeadersBorderStyle = 
        DataGridViewHeaderBorderStyle.Raised;
    dataGridView1.CellBorderStyle = DataGridViewCellBorderStyle.Single;
    dataGridView1.GridColor = SystemColors.ActiveBorder;
    dataGridView1.RowHeadersVisible = false;

    dataGridView1.Columns[0].Name = "Release Date";
    dataGridView1.Columns[1].Name = "Track";
    dataGridView1.Columns[1].DefaultCellStyle.Alignment = 
        DataGridViewContentAlignment.MiddleCenter;
    dataGridView1.Columns[2].Name = "Title";
    dataGridView1.Columns[3].Name = "Artist";
    dataGridView1.Columns[4].Name = "Album";

    // Make the font italic for row four.
    dataGridView1.Columns[4].DefaultCellStyle.Font = new Font(DataGridView.DefaultFont, FontStyle.Italic);

    dataGridView1.SelectionMode = DataGridViewSelectionMode.FullRowSelect;
    dataGridView1.MultiSelect = false;

    dataGridView1.BackgroundColor = Color.Honeydew;

    dataGridView1.Dock = DockStyle.Fill;

    dataGridView1.CellFormatting += new DataGridViewCellFormattingEventHandler(dataGridView1_CellFormatting);
    dataGridView1.CellParsing += new DataGridViewCellParsingEventHandler(dataGridView1_CellParsing);
    addNewRowButton.Click += new EventHandler(addNewRowButton_Click);
    deleteRowButton.Click += new EventHandler(deleteRowButton_Click);
    ledgerStyleButton.Click += new EventHandler(ledgerStyleButton_Click);
    dataGridView1.CellValidating += new DataGridViewCellValidatingEventHandler(dataGridView1_CellValidating);

}

Windows 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

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

.NET Framework

Supported in: 2.0

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