Workbook.XmlImportXml 方法 (2007 system)

更新:2007 年 11 月

导入先前加载到内存中的 XML 数据流。

命名空间:  Microsoft.Office.Tools.Excel
程序集:  Microsoft.Office.Tools.Excel.v9.0(在 Microsoft.Office.Tools.Excel.v9.0.dll 中)

语法

声明
Public Function XmlImportXml ( _
    Data As String, _
    <OutAttribute> ByRef ImportMap As XmlMap, _
    Overwrite As Object, _
    Destination As Object _
) As XlXmlImportResult
用法
Dim instance As Workbook
Dim Data As String
Dim ImportMap As XmlMap
Dim Overwrite As Object
Dim Destination As Object
Dim returnValue As XlXmlImportResult

returnValue = instance.XmlImportXml(Data, _
    ImportMap, Overwrite, Destination)
public XlXmlImportResult XmlImportXml(
    string Data,
    out XmlMap ImportMap,
    Object Overwrite,
    Object Destination
)

参数

  • Overwrite
    类型:System.Object

    如果未指定 Destination 参数的值,则此参数指定是否覆盖已映射到在 ImportMap 参数中指定的架构映射的数据。设置为 true 可覆盖数据,设置为 false 可向现有数据追加新数据。默认值为 true。如果未指定 Destination 参数的值,则此参数指定是否覆盖现有数据。设置为 true 可覆盖现有数据,设置为 false 可在要执行数据覆盖时取消导入。默认值为 true。

  • Destination
    类型:System.Object

    数据将导入指定的 Range 中的新 XML 列表。

返回值

类型:Microsoft.Office.Interop.Excel.XlXmlImportResult

XlXmlImportResult 值之一。

备注

如果要将数据导入现有映射,则不要指定 Destination 参数的值。

下面的情况会导致此方法生成运行时错误:

  • 指定的 XML 数据包含语法错误。

  • 由于指定的数据无法适合工作表而取消导入过程。

使用 XmlImport 方法将 XML 数据文件导入当前工作簿。

可选参数

有关可选参数的信息,请参见了解 Office 解决方案中的可选参数

示例

下面的代码示例演示如何将 XML 数据导入工作簿。此示例创建一个包含客户名称的 DataSet,并将基于该 DataSet 的 XML 架构的 XmlMap 添加到当前工作簿的 XmlMaps 集合。然后,此示例调用 XmlImportXml 方法将数据导入工作表 Sheet1。调用 XmlImportXml 方法时,BeforeXmlImport 事件处理程序会提示用户继续或取消导入 XML,然后 AfterXmlImport 事件处理程序会报告是否成功导入了 XML。

此示例针对的是文档级自定义项。

Private Sub WorkbookXmlImportEvents()

    ' Create a new DataTable.
    Dim ds As New DataSet()
    Dim dt As DataTable = ds.Tables.Add("Customers")
    dt.Columns.Add(New DataColumn("LastName"))
    dt.Columns.Add(New DataColumn("FirstName"))

    ' Add a new row to the DataTable.
    Dim dr As DataRow = dt.NewRow()
    dr("LastName") = "Chan"
    dr("FirstName") = "Gareth"
    dt.Rows.Add(dr)

    ' Add a new XML map to the collection.
    Dim xmlMap1 As Excel.XmlMap = Me.XmlMaps.Add(ds.GetXmlSchema(), _
        "NewDataSet")

    ' Import the data stream if the XmlMap was successfully created.
    If Not (xmlMap1 Is Nothing) Then

        ' This will raise the BeforeXmlImport and AfterXmlImport events.
        Dim range1 As Excel.Range = Globals.Sheet1.Range("A1")
        Me.XmlImportXml(ds.GetXml(), xmlMap1, True, _
            range1)
    Else
        MsgBox("The XmlMap could not be created")
    End If
End Sub

Sub ThisWorkbook_BeforeXmlImport(ByVal Map As Excel.XmlMap, _
    ByVal Url As String, ByVal IsRefresh As Boolean, _
    ByRef Cancel As Boolean) Handles Me.BeforeXmlImport

    If DialogResult.No = MessageBox.Show("Microsoft Excel is about" & _
        " to import XML into the workbook. Continue with importing?", _
        "Custom XML Import Dialog", MessageBoxButtons.YesNo) Then
        Cancel = True
    End If
End Sub

Sub ThisWorkbook_AfterXmlImport(ByVal Map As Excel.XmlMap, _
    ByVal IsRefresh As Boolean, ByVal Result As Excel.XlXmlImportResult) _
    Handles Me.AfterXmlImport

    If Result = Excel.XlXmlImportResult.xlXmlImportSuccess Then
        MsgBox("XML import succeeded.")
    Else
        MsgBox("XML import failed.")
    End If
End Sub
private void WorkbookXmlImportEvents()
{
    this.BeforeXmlImport +=
        new Excel.WorkbookEvents_BeforeXmlImportEventHandler(
        ThisWorkbook_BeforeXmlImport);

    this.AfterXmlImport += new
        Excel.WorkbookEvents_AfterXmlImportEventHandler(
        ThisWorkbook_AfterXmlImport);

    // Create a new DataTable.
    DataSet ds = new DataSet();
    DataTable dt = ds.Tables.Add("Customers");
    dt.Columns.Add(new DataColumn("LastName"));
    dt.Columns.Add(new DataColumn("FirstName"));

    // Add a new row to the DataTable.
    DataRow dr = dt.NewRow();
    dr["LastName"] = "Chan";
    dr["FirstName"] = "Gareth";
    dt.Rows.Add(dr);

    // Add a new XML map to the collection.
    Excel.XmlMap xmlMap1 = this.XmlMaps.Add(ds.GetXmlSchema(),
        "NewDataSet");

    // Import the data stream if the XmlMap was successfully created.
    if (xmlMap1 != null)
    {
        // This will raise the BeforeXmlImport and AfterXmlImport events.
        Excel.Range range1 = Globals.Sheet1.Range["A1", missing];
        this.XmlImportXml(ds.GetXml(), out xmlMap1, true,
            range1);
    }
    else
    {
        MessageBox.Show("The XmlMap could not be created");
    }
}

void ThisWorkbook_BeforeXmlImport(Excel.XmlMap Map,
    string Url, bool IsRefresh, ref bool Cancel)
{
    if (DialogResult.No == MessageBox.Show("Microsoft Excel is about" +
        " to import XML into the workbook. Continue with importing?",
        "Custom XML Import Dialog", MessageBoxButtons.YesNo))
    {
        Cancel = true;
    }
}

void ThisWorkbook_AfterXmlImport(Excel.XmlMap Map, bool IsRefresh,
    Excel.XlXmlImportResult Result)
{
    if (Result == Excel.XlXmlImportResult.xlXmlImportSuccess)
    {
        MessageBox.Show("XML import succeeded.");
    }
    else
    {
        MessageBox.Show("XML import failed.");
    }
}

权限

另请参见

参考

Workbook 类

Workbook 成员

Microsoft.Office.Tools.Excel 命名空间