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BorderStyle Property
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DataGridView.BorderStyle Property

Gets or sets the border style for the DataGridView.

Namespace:  System.Windows.Forms
Assembly:  System.Windows.Forms (in System.Windows.Forms.dll)

public BorderStyle BorderStyle { get; set; }

Property Value

Type: System.Windows.Forms.BorderStyle
One of the BorderStyle values. The default is FixedSingle.

ExceptionCondition
InvalidEnumArgumentException

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

This property affects the outer border of the DataGridView. To set the style of the cell borders, use the CellBorderStyle property.

The following code example demonstrates how to initialize a simple data-bound DataGridView. It also demonstrates how to set the BorderStyle property.

using System;
using System.Data;
using System.Data.SqlClient;
using System.Windows.Forms;
using System.Drawing;

public class Form1 : System.Windows.Forms.Form
{
    private DataGridView dataGridView1 = new DataGridView();
    private BindingSource bindingSource1 = new BindingSource();

    public Form1()
    {
        dataGridView1.Dock = DockStyle.Fill;
        this.Controls.Add(dataGridView1);
        InitializeDataGridView();
    }

    private void InitializeDataGridView()
    {
        try
        {
            // Set up the DataGridView.
            dataGridView1.Dock = DockStyle.Fill;

            // Automatically generate the DataGridView columns.
            dataGridView1.AutoGenerateColumns = true;

            // Set up the data source.
            bindingSource1.DataSource = GetData("Select * From Products");
            dataGridView1.DataSource = bindingSource1;

            // Automatically resize the visible rows.
            dataGridView1.AutoSizeRowsMode =
                DataGridViewAutoSizeRowsMode.DisplayedCellsExceptHeaders;

            // Set the DataGridView control's border.
            dataGridView1.BorderStyle = BorderStyle.Fixed3D;

            // Put the cells in edit mode when user enters them.
            dataGridView1.EditMode = DataGridViewEditMode.EditOnEnter;
        }
        catch (SqlException)
        {
            MessageBox.Show("To run this sample replace connection.ConnectionString" +
                " with a valid connection string to a Northwind" +
                " database accessible to your system.", "ERROR",
                MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
            System.Threading.Thread.CurrentThread.Abort();
        }
    }

    private static DataTable GetData(string sqlCommand)
    {
        string connectionString = "Integrated Security=SSPI;" +
            "Persist Security Info=False;" +
            "Initial Catalog=Northwind;Data Source=localhost";

        SqlConnection northwindConnection = new SqlConnection(connectionString);

        SqlCommand command = new SqlCommand(sqlCommand, northwindConnection);
        SqlDataAdapter adapter = new SqlDataAdapter();
        adapter.SelectCommand = command;

        DataTable table = new DataTable();
        table.Locale = System.Globalization.CultureInfo.InvariantCulture;
        adapter.Fill(table);

        return table;
    }

    [STAThreadAttribute()]
    public static void Main()
    {
        Application.Run(new Form1());
    }
}

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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