Comment : créer un contrôle DataGridView Windows Forms indépendant
Mise à jour : novembre 2007
L'exemple de code suivant montre comment remplir par programme un contrôle DataGridView sans le lier à une source de données. C'est utile lorsque vous avez une petite quantité des données que vous souhaitez afficher dans un format tabulaire.
Pour obtenir une explication complète de cet exemple de code, consultez Procédure pas à pas : création d'un contrôle DataGridView Windows Forms non lié.
Exemple
Imports System
Imports System.Drawing
Imports System.Windows.Forms
Public Class Form1
Inherits System.Windows.Forms.Form
Private buttonPanel As New Panel
Private WithEvents songsDataGridView As New DataGridView
Private WithEvents addNewRowButton As New Button
Private WithEvents deleteRowButton As New Button
Private Sub Form1_Load(ByVal sender As System.Object, _
ByVal e As System.EventArgs) Handles MyBase.Load
SetupLayout()
SetupDataGridView()
PopulateDataGridView()
End Sub
Private Sub songsDataGridView_CellFormatting(ByVal sender As Object, _
ByVal e As System.Windows.Forms.DataGridViewCellFormattingEventArgs) _
Handles songsDataGridView.CellFormatting
If Me.songsDataGridView.Columns(e.ColumnIndex).Name = _
"Release Date" Then
If e IsNot Nothing Then
If e.Value IsNot Nothing Then
Try
e.Value = DateTime.Parse(e.Value.ToString()) _
.ToLongDateString()
e.FormattingApplied = True
Catch ex As FormatException
Console.WriteLine("{0} is not a valid date.", e.Value.ToString())
End Try
End If
End If
End If
End Sub
Private Sub addNewRowButton_Click(ByVal sender As Object, _
ByVal e As EventArgs) Handles addNewRowButton.Click
Me.songsDataGridView.Rows.Add()
End Sub
Private Sub deleteRowButton_Click(ByVal sender As Object, _
ByVal e As EventArgs) Handles deleteRowButton.Click
If Me.songsDataGridView.SelectedRows.Count > 0 AndAlso _
Not Me.songsDataGridView.SelectedRows(0).Index = _
Me.songsDataGridView.Rows.Count - 1 Then
Me.songsDataGridView.Rows.RemoveAt( _
Me.songsDataGridView.SelectedRows(0).Index)
End If
End Sub
Private Sub SetupLayout()
Me.Size = New Size(600, 500)
With addNewRowButton
.Text = "Add Row"
.Location = New Point(10, 10)
End With
With deleteRowButton
.Text = "Delete Row"
.Location = New Point(100, 10)
End With
With buttonPanel
.Controls.Add(addNewRowButton)
.Controls.Add(deleteRowButton)
.Height = 50
.Dock = DockStyle.Bottom
End With
Me.Controls.Add(Me.buttonPanel)
End Sub
Private Sub SetupDataGridView()
Me.Controls.Add(songsDataGridView)
songsDataGridView.ColumnCount = 5
With songsDataGridView.ColumnHeadersDefaultCellStyle
.BackColor = Color.Navy
.ForeColor = Color.White
.Font = New Font(songsDataGridView.Font, FontStyle.Bold)
End With
With songsDataGridView
.Name = "songsDataGridView"
.Location = New Point(8, 8)
.Size = New Size(500, 250)
.AutoSizeRowsMode = _
DataGridViewAutoSizeRowsMode.DisplayedCellsExceptHeaders
.ColumnHeadersBorderStyle = DataGridViewHeaderBorderStyle.Single
.CellBorderStyle = DataGridViewCellBorderStyle.Single
.GridColor = Color.Black
.RowHeadersVisible = False
.Columns(0).Name = "Release Date"
.Columns(1).Name = "Track"
.Columns(2).Name = "Title"
.Columns(3).Name = "Artist"
.Columns(4).Name = "Album"
.Columns(4).DefaultCellStyle.Font = _
New Font(Me.songsDataGridView.DefaultCellStyle.Font, FontStyle.Italic)
.SelectionMode = DataGridViewSelectionMode.FullRowSelect
.MultiSelect = False
.Dock = DockStyle.Fill
End With
End Sub
Private Sub PopulateDataGridView()
Dim row0 As String() = {"11/22/1968", "29", "Revolution 9", _
"Beatles", "The Beatles [White Album]"}
Dim row1 As String() = {"1960", "6", "Fools Rush In", _
"Frank Sinatra", "Nice 'N' Easy"}
Dim row2 As String() = {"11/11/1971", "1", "One of These Days", _
"Pink Floyd", "Meddle"}
Dim row3 As String() = {"1988", "7", "Where Is My Mind?", _
"Pixies", "Surfer Rosa"}
Dim row4 As String() = {"5/1981", "9", "Can't Find My Mind", _
"Cramps", "Psychedelic Jungle"}
Dim row5 As String() = {"6/10/2003", "13", _
"Scatterbrain. (As Dead As Leaves.)", _
"Radiohead", "Hail to the Thief"}
Dim row6 As String() = {"6/30/1992", "3", "Dress", "P J Harvey", "Dry"}
With Me.songsDataGridView.Rows
.Add(row0)
.Add(row1)
.Add(row2)
.Add(row3)
.Add(row4)
.Add(row5)
.Add(row6)
End With
With Me.songsDataGridView
.Columns(0).DisplayIndex = 3
.Columns(1).DisplayIndex = 4
.Columns(2).DisplayIndex = 0
.Columns(3).DisplayIndex = 1
.Columns(4).DisplayIndex = 2
End With
End Sub
<STAThreadAttribute()> _
Public Shared Sub Main()
Application.EnableVisualStyles()
Application.Run(New Form1())
End Sub
End Class
using System;
using System.Drawing;
using System.Windows.Forms;
public class Form1 : System.Windows.Forms.Form
{
private Panel buttonPanel = new Panel();
private DataGridView songsDataGridView = new DataGridView();
private Button addNewRowButton = new Button();
private Button deleteRowButton = new Button();
public Form1()
{
this.Load += new EventHandler(Form1_Load);
}
private void Form1_Load(System.Object sender, System.EventArgs e)
{
SetupLayout();
SetupDataGridView();
PopulateDataGridView();
}
private void songsDataGridView_CellFormatting(object sender,
System.Windows.Forms.DataGridViewCellFormattingEventArgs e)
{
if (this.songsDataGridView.Columns[e.ColumnIndex].Name == "Release Date")
{
if (e != null)
{
if (e.Value != null)
{
try
{
e.Value = DateTime.Parse(e.Value.ToString())
.ToLongDateString();
e.FormattingApplied = true;
}
catch (FormatException)
{
Console.WriteLine("{0} is not a valid date.", e.Value.ToString());
}
}
}
}
}
private void addNewRowButton_Click(object sender, EventArgs e)
{
this.songsDataGridView.Rows.Add();
}
private void deleteRowButton_Click(object sender, EventArgs e)
{
if (this.songsDataGridView.SelectedRows.Count > 0 &&
this.songsDataGridView.SelectedRows[0].Index !=
this.songsDataGridView.Rows.Count - 1)
{
this.songsDataGridView.Rows.RemoveAt(
this.songsDataGridView.SelectedRows[0].Index);
}
}
private void SetupLayout()
{
this.Size = new Size(600, 500);
addNewRowButton.Text = "Add Row";
addNewRowButton.Location = new Point(10, 10);
addNewRowButton.Click += new EventHandler(addNewRowButton_Click);
deleteRowButton.Text = "Delete Row";
deleteRowButton.Location = new Point(100, 10);
deleteRowButton.Click += new EventHandler(deleteRowButton_Click);
buttonPanel.Controls.Add(addNewRowButton);
buttonPanel.Controls.Add(deleteRowButton);
buttonPanel.Height = 50;
buttonPanel.Dock = DockStyle.Bottom;
this.Controls.Add(this.buttonPanel);
}
private void SetupDataGridView()
{
this.Controls.Add(songsDataGridView);
songsDataGridView.ColumnCount = 5;
songsDataGridView.ColumnHeadersDefaultCellStyle.BackColor = Color.Navy;
songsDataGridView.ColumnHeadersDefaultCellStyle.ForeColor = Color.White;
songsDataGridView.ColumnHeadersDefaultCellStyle.Font =
new Font(songsDataGridView.Font, FontStyle.Bold);
songsDataGridView.Name = "songsDataGridView";
songsDataGridView.Location = new Point(8, 8);
songsDataGridView.Size = new Size(500, 250);
songsDataGridView.AutoSizeRowsMode =
DataGridViewAutoSizeRowsMode.DisplayedCellsExceptHeaders;
songsDataGridView.ColumnHeadersBorderStyle =
DataGridViewHeaderBorderStyle.Single;
songsDataGridView.CellBorderStyle = DataGridViewCellBorderStyle.Single;
songsDataGridView.GridColor = Color.Black;
songsDataGridView.RowHeadersVisible = false;
songsDataGridView.Columns[0].Name = "Release Date";
songsDataGridView.Columns[1].Name = "Track";
songsDataGridView.Columns[2].Name = "Title";
songsDataGridView.Columns[3].Name = "Artist";
songsDataGridView.Columns[4].Name = "Album";
songsDataGridView.Columns[4].DefaultCellStyle.Font =
new Font(songsDataGridView.DefaultCellStyle.Font, FontStyle.Italic);
songsDataGridView.SelectionMode =
DataGridViewSelectionMode.FullRowSelect;
songsDataGridView.MultiSelect = false;
songsDataGridView.Dock = DockStyle.Fill;
songsDataGridView.CellFormatting += new
DataGridViewCellFormattingEventHandler(
songsDataGridView_CellFormatting);
}
private void PopulateDataGridView()
{
string[] row0 = { "11/22/1968", "29", "Revolution 9",
"Beatles", "The Beatles [White Album]" };
string[] row1 = { "1960", "6", "Fools Rush In",
"Frank Sinatra", "Nice 'N' Easy" };
string[] row2 = { "11/11/1971", "1", "One of These Days",
"Pink Floyd", "Meddle" };
string[] row3 = { "1988", "7", "Where Is My Mind?",
"Pixies", "Surfer Rosa" };
string[] row4 = { "5/1981", "9", "Can't Find My Mind",
"Cramps", "Psychedelic Jungle" };
string[] row5 = { "6/10/2003", "13",
"Scatterbrain. (As Dead As Leaves.)",
"Radiohead", "Hail to the Thief" };
string[] row6 = { "6/30/1992", "3", "Dress", "P J Harvey", "Dry" };
songsDataGridView.Rows.Add(row0);
songsDataGridView.Rows.Add(row1);
songsDataGridView.Rows.Add(row2);
songsDataGridView.Rows.Add(row3);
songsDataGridView.Rows.Add(row4);
songsDataGridView.Rows.Add(row5);
songsDataGridView.Rows.Add(row6);
songsDataGridView.Columns[0].DisplayIndex = 3;
songsDataGridView.Columns[1].DisplayIndex = 4;
songsDataGridView.Columns[2].DisplayIndex = 0;
songsDataGridView.Columns[3].DisplayIndex = 1;
songsDataGridView.Columns[4].DisplayIndex = 2;
}
[STAThreadAttribute()]
static void Main()
{
Application.EnableVisualStyles();
Application.Run(new Form1());
}
}
Compilation du code
Cet exemple nécessite les éléments suivants :
- Références aux assemblys System, System.Drawing et System.Windows.Forms.
Pour plus d'informations sur la génération de cet exemple à partir de la ligne de commande pour Visual Basic ou Visual C#, consultez Génération à partir de la ligne de commande (Visual Basic) ou Génération à partir de la ligne de commande avec csc.exe. Vous pouvez aussi générer cet exemple dans Visual Studio en collant le code dans un nouveau projet.
Voir aussi
Tâches
Procédure pas à pas : création d'un contrôle DataGridView Windows Forms non lié
Concepts
Modes d'affichage des données dans le contrôle DataGridView Windows Forms
Référence
Autres ressources
Affichage des données dans le contrôle DataGridView Windows Forms