DataGridViewColumn.DataPropertyName 屬性

定義

命名空間:

System.Windows.Forms

組件:

System.Windows.Forms.dll

取得或設定 DataGridViewColumn 所繫結的資料來源屬性或資料庫資料行的名稱。

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

屬性值

String

與 DataGridViewColumn 相關聯之屬性或資料庫資料行的不區分大小寫名稱。

屬性

BrowsableAttribute TypeConverterAttribute

範例

下列程式碼範例示範如何選擇每個資料行將代表的屬性。

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

備註

AutoGenerateColumns當 屬性設定為 true 時，每個資料行都會自動將其 DataPropertyName 屬性設定為 屬性或屬性所 DataSource 指定資料來源中的資料庫資料行名稱。 您也可以手動執行此系結，這在您想要只顯示資料來源中可用的屬性或資料庫資料行子集時很有用。 在這種情況下，請將 AutoGenerateColumns 屬性設定為 false ，然後手動將每個 DataGridViewColumnDataPropertyName 屬性的值設定為您要顯示之資料來源中的屬性或資料庫資料行。

另請參閱

• DataGridView
• ColumnDataPropertyNameChanged