DataGridViewColumn.DataPropertyName Eigenschaft

Definition

Namespace:

System.Windows.Forms

Assembly:

System.Windows.Forms.dll

Ruft den Namen der Datenquelleneigenschaft oder Datenbankspalte ab, an die DataGridViewColumn gebunden ist, oder legt diesen Namen fest.

public:
 property System::String ^ DataPropertyName { System::String ^ get(); void set(System::String ^ value); };

[System.ComponentModel.Browsable(true)]
[System.ComponentModel.TypeConverter("System.Windows.Forms.Design.DataMemberFieldConverter, System.Design, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a")]
public string DataPropertyName { get; set; }

[<System.ComponentModel.Browsable(true)>]
[<System.ComponentModel.TypeConverter("System.Windows.Forms.Design.DataMemberFieldConverter, System.Design, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a")>]
member this.DataPropertyName : string with get, set

Public Property DataPropertyName As String

Eigenschaftswert

String

Der Name der Eigenschaft oder Datenbankspalte, die der DataGridViewColumn zugeordnet ist, bei dem die Groß-/Kleinschreibung beachtet wird.

Attribute

BrowsableAttribute TypeConverterAttribute

Beispiele

Im folgenden Codebeispiel wird gezeigt, wie Sie auswählen, welche Eigenschaft die einzelnen Spalten darstellen sollen.

public enum Title
{
    King,
    Sir
};

Public Enum Title
    King
    Sir
End Enum

private void EnumsAndComboBox_Load(object sender, System.EventArgs e)
{
    // Populate the data source.
    bindingSource1.Add(new Knight(Title.King, "Uther", true));
    bindingSource1.Add(new Knight(Title.King, "Arthur", true));
    bindingSource1.Add(new Knight(Title.Sir, "Mordred", false));
    bindingSource1.Add(new Knight(Title.Sir, "Gawain", true));
    bindingSource1.Add(new Knight(Title.Sir, "Galahad", true));

    // Initialize the DataGridView.
    dataGridView1.AutoGenerateColumns = false;
    dataGridView1.AutoSize = true;
    dataGridView1.DataSource = bindingSource1;

    dataGridView1.Columns.Add(CreateComboBoxWithEnums());

    // Initialize and add a text box column.
    DataGridViewColumn column = new DataGridViewTextBoxColumn();
    column.DataPropertyName = "Name";
    column.Name = "Knight";
    dataGridView1.Columns.Add(column);

    // Initialize and add a check box column.
    column = new DataGridViewCheckBoxColumn();
    column.DataPropertyName = "GoodGuy";
    column.Name = "Good";
    dataGridView1.Columns.Add(column);

    // Initialize the form.
    this.Controls.Add(dataGridView1);
    this.AutoSize = true;
    this.Text = "DataGridView object binding demo";
}

DataGridViewComboBoxColumn CreateComboBoxWithEnums()
{
    DataGridViewComboBoxColumn combo = new DataGridViewComboBoxColumn();
    combo.DataSource = Enum.GetValues(typeof(Title));
    combo.DataPropertyName = "Title";
    combo.Name = "Title";
    return combo;
}
#region "business object"
private class Knight
{
    private string hisName;
    private bool good;
    private Title hisTitle;

    public Knight(Title title, string name, bool good)
    {
        hisTitle = title;
        hisName = name;
        this.good = good;
    }

    public Knight()
    {
        hisTitle = Title.Sir;
        hisName = "<enter name>";
        good = true;
    }

    public string Name
    {
        get
        {
            return hisName;
        }

        set
        {
            hisName = value;
        }
    }

    public bool GoodGuy
    {
        get
        {
            return good;
        }
        set
        {
            good = value;
        }
    }

    public Title Title
    {
        get
        {
            return hisTitle;
        }
        set
        {
            hisTitle = value;
        }
    }
}
#endregion

    Private Sub SetupGrid()
        knights = New List(Of Knight)
        knights.Add(New Knight(Title.King, "Uther", True))
        knights.Add(New Knight(Title.King, "Arthur", True))
        knights.Add(New Knight(Title.Sir, "Mordred", False))
        knights.Add(New Knight(Title.Sir, "Gawain", True))
        knights.Add(New Knight(Title.Sir, "Galahad", True))

        ' Initialize the DataGridView.
        dataGridView1.AutoGenerateColumns = False
        dataGridView1.AutoSize = True
        dataGridView1.DataSource = knights

        dataGridView1.Columns.Add(CreateComboBoxWithEnums())

        ' Initialize and add a text box column.
        Dim column As DataGridViewColumn = _
            New DataGridViewTextBoxColumn()
        column.DataPropertyName = "Name"
        column.Name = "Knight"
        dataGridView1.Columns.Add(column)

        ' Initialize and add a check box column.
        column = New DataGridViewCheckBoxColumn()
        column.DataPropertyName = "GoodGuy"
        column.Name = "Good"
        dataGridView1.Columns.Add(column)

        ' Initialize the form.
        Controls.Add(dataGridView1)
        Me.AutoSize = True
        Me.Text = "DataGridView object binding demo"
    End Sub

    Private Function CreateComboBoxWithEnums() As DataGridViewComboBoxColumn
        Dim combo As New DataGridViewComboBoxColumn()
        combo.DataSource = [Enum].GetValues(GetType(Title))
        combo.DataPropertyName = "Title"
        combo.Name = "Title"
        Return combo
    End Function

#Region "business object"
    Private Class Knight
        Private hisName As String
        Private good As Boolean
        Private hisTitle As Title

        Public Sub New(ByVal title As Title, ByVal name As String, _
            ByVal good As Boolean)

            hisTitle = title
            hisName = name
            Me.good = good
        End Sub

        Public Property Name() As String
            Get
                Return hisName
            End Get

            Set(ByVal Value As String)
                hisName = Value
            End Set
        End Property

        Public Property GoodGuy() As Boolean
            Get
                Return good
            End Get
            Set(ByVal Value As Boolean)
                good = Value
            End Set
        End Property

        Public Property Title() As Title
            Get
                Return hisTitle
            End Get
            Set(ByVal Value As Title)
                hisTitle = Value
            End Set
        End Property
    End Class
#End Region

Hinweise

Wenn die AutoGenerateColumns -Eigenschaft auf truefestgelegt ist, legt jede Spalte ihre DataPropertyName Eigenschaft automatisch auf den Namen einer Eigenschaft oder Datenbankspalte in der von der DataSource -Eigenschaft angegebenen Datenquelle fest. Diese Bindung kann auch manuell ausgeführt werden. Dies ist hilfreich, wenn Sie nur eine Teilmenge der in der Datenquelle verfügbaren Eigenschaften oder Datenbankspalten anzeigen möchten. Legen Sie in solchen Fällen die AutoGenerateColumns -Eigenschaft auf falsefest, und fügen Sie dann manuell jede DataGridViewColumnhinzu, und legen Sie den Wert jeder DataPropertyName Eigenschaft auf die Eigenschaften oder Datenbankspalten in der Datenquelle fest, die Sie anzeigen möchten.

Weitere Informationen

• DataGridView
• ColumnDataPropertyNameChanged