OriginalDataRestoredEventArgs 接口

  • 参考

定义

命名空间:
Microsoft.Office.Tools.Excel
程序集:
Microsoft.Office.Tools.Excel.dll

提供有关 OriginalDataRestored 事件的数据。

[System.Runtime.InteropServices.Guid("bf384426-1805-4e64-9d3e-79ec84d8bbbd")]
public interface OriginalDataRestoredEventArgs
属性
GuidAttribute

示例

下面的代码示例创建 DataTable 和 ListObject ，并将绑定 ListObject 到 DataTable 。 然后，创建一个 OriginalDataRestored 事件处理程序。 若要测试该事件，请右键单击 "工作表 1" 上方的列号， ListObject 然后单击快捷菜单中的 "删除"。 该事件处理程序将替换列和列标题数据，并显示一条消息，指示已还原的数据类型和还原原始数据的原因。

此示例适用于文档级自定义项。

private void ListObject_OriginalDataRestored()
{
    // Create a new DataSet and DataTable.
    DataSet ds = new DataSet();
    DataTable dt = ds.Tables.Add("Customers");
    DataColumn lastName = new DataColumn("LastName");
    dt.Columns.Add(lastName);
    dt.Columns.Add(new DataColumn("FirstName"));

    // Add two new rows to the DataTable.
    DataRow dr1 = dt.NewRow();
    dr1["LastName"] = "Chan";
    dr1["FirstName"] = "Gareth";
    dt.Rows.Add(dr1);
    DataRow dr2 = dt.NewRow();
    dr2["LastName"] = "Nitsche";
    dr2["FirstName"] = "Sonja";
    dt.Rows.Add(dr2);

    // Create a list object.
    Microsoft.Office.Tools.Excel.ListObject list1 = 
        this.Controls.AddListObject(
        this.Range["A1"], "list1");

    // Bind the list object to the DataTable.
    list1.AutoSetDataBoundColumnHeaders = true;
    list1.SetDataBinding(ds, "Customers", "LastName",
        "FirstName");

    // Create the event handler.
    list1.OriginalDataRestored += new 
        Microsoft.Office.Tools.Excel.
        OriginalDataRestoredEventHandler(list1_OriginalDataRestored);
}

void list1_OriginalDataRestored(object sender, 
    Microsoft.Office.Tools.Excel.OriginalDataRestoredEventArgs e)
{
    MessageBox.Show("This data is bound to a data source and " +
    "will be restored. This change is: " + e.ChangeType.ToString() +
    ". The reason is: " + e.ChangeReason.ToString() + ".");
}

WithEvents OriginalDataRestoredList As _
    Microsoft.Office.Tools.Excel.ListObject
Private Sub ListObject_OriginalDataRestored()
    ' Create a new DataSet and DataTable.
    Dim ds As New DataSet()
    Dim dt As DataTable = ds.Tables.Add("Customers")
    Dim lastName As New DataColumn("LastName")
    dt.Columns.Add(lastName)
    dt.Columns.Add(New DataColumn("FirstName"))

    ' Add two new rows to the DataTable.
    Dim dr1 As DataRow = dt.NewRow()
    dr1("LastName") = "Chan"
    dr1("FirstName") = "Gareth"
    dt.Rows.Add(dr1)
    Dim dr2 As DataRow = dt.NewRow()
    dr2("LastName") = "Nitsche"
    dr2("FirstName") = "Sonja"
    dt.Rows.Add(dr2)

    ' Create a list object.
    OriginalDataRestoredList = Me.Controls.AddListObject( _
        Me.Range("A1"), "OriginalDataRestoredList")

    ' Bind the list object to the DataTable.
    OriginalDataRestoredList.AutoSetDataBoundColumnHeaders = True
    OriginalDataRestoredList.SetDataBinding(ds, "Customers", _
        "LastName", "FirstName")
End Sub

Private Sub List1_OriginalDataRestored(ByVal sender As Object, _
    ByVal e As Microsoft.Office.Tools.Excel.OriginalDataRestoredEventArgs) _
    Handles OriginalDataRestoredList.OriginalDataRestored
    MessageBox.Show("This data is bound to a data source and " & _
    "will be restored. This change is: " & e.ChangeType.ToString() & _
    ". The reason is: " & e.ChangeReason.ToString() + ".")
End Sub

注解

事件在将 OriginalDataRestored ListObject 数据还原到其原始状态时由控件引发。 ChangeType参数提供有关所执行控件的还原类型的信息 ListObject ，并 ChangeReason 提供有关执行此还原的原因的信息。

属性

ChangeReason

获取一个值，该值指示原始数据已还原的原因。
ChangeType

获取一个值，该值指示由 ListObject 控件执行的还原类型。

适用于