العثور على جداول الاستعلام وكائنات القائمة المتعلقة باتصالات البيانات الخارجية

العثور على جداول الاستعلام وكائنات القائمة المتعلقة باتصالات البيانات الخارجية

تشرح أكواد العينة التالية مع ملف إكسل عينة كيفية العثور على جداول الاستعلام وكائنات القائمة المتعلقة باتصال بيانات خارجي.

// For complete examples and data files, please go to https://github.com/aspose-cells/Aspose.Cells-for-.NET
// The path to the documents directory.
string dataDir = RunExamples.GetDataDir(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
// Load workbook object
Workbook workbook = new Workbook(dataDir + "sample.xlsm");
// Check all the connections inside the workbook
for (int i = 0; i < workbook.DataConnections.Count; i++)
{
Aspose.Cells.ExternalConnections.ExternalConnection externalConnection = workbook.DataConnections[i];
Console.WriteLine("connection: " + externalConnection.Name);
PrintTables(workbook, externalConnection);
Console.WriteLine();
}
Console.WriteLine("Press any key to continue...");
Console.ReadKey();
// For complete examples and data files, please go to https://github.com/aspose-cells/Aspose.Cells-for-.NET
public static void PrintTables(Workbook workbook, Aspose.Cells.ExternalConnections.ExternalConnection ec)
{
// Iterate all the worksheets
for (int j = 0; j < workbook.Worksheets.Count; j++)
{
Worksheet worksheet = workbook.Worksheets[j];
// Check all the query tables in a worksheet
for (int k = 0; k < worksheet.QueryTables.Count; k++)
{
Aspose.Cells.QueryTable qt = worksheet.QueryTables[k];
// Check if query table is related to this external connection
if (ec.Id == qt.ConnectionId
&& qt.ConnectionId >= 0)
{
// Print the query table name and print its refersto range
Console.WriteLine("querytable " + qt.Name);
string n = qt.Name.Replace('+', '_').Replace('=', '_');
Name name = workbook.Worksheets.Names["'" + worksheet.Name + "'!" + n];
if (name != null)
{
Range range = name.GetRange();
if (range != null)
{
Console.WriteLine("refersto: " + range.RefersTo);
}
}
}
}
// Iterate all the list objects in this worksheet
for (int k = 0; k < worksheet.ListObjects.Count; k++)
{
ListObject table = worksheet.ListObjects[k];
// Check the data source type if it is query table
if (table.DataSourceType == Aspose.Cells.Tables.TableDataSourceType.QueryTable)
{
// Access the query table related to list object
QueryTable qt = table.QueryTable;
// Check if query table is related to this external connection
if (ec.Id == qt.ConnectionId
&& qt.ConnectionId >= 0)
{
// Print the query table name and print its refersto range
Console.WriteLine("querytable " + qt.Name);
Console.WriteLine("Table " + table.DisplayName);
Console.WriteLine("refersto: " + worksheet.Name + "!" + CellsHelper.CellIndexToName(table.StartRow, table.StartColumn) + ":" + CellsHelper.CellIndexToName(table.EndRow, table.EndColumn));
}
}
}
}
}

الناتج التالي هو إخراج وحدة التحكم لتشغيل أكواد العينة السابقة مع ملف إكسل عينة.

 connection: AAPL Connection

querytable hp?s=AAPL+Historical+Prices

refersto: =Sheet1!$Q$1:$W$69

connection: BOSL066360W7_SQLEXPRESS Test

querytable BOSL066360W7_SQLEXPRESS Test

Table Table_BOSL066360W7_SQLEXPRESS_Test

refersto: Sheet1!A1:B3

connection: BOSL066360W7_SQLEXPRESS Test1

querytable BOSL066360W7_SQLEXPRESS Test_1

Table Table_BOSL066360W7_SQLEXPRESS_Test_1

refersto: Sheet1!D1:E2

connection: UWTI Connection

querytable hp?s=UWTI+Historical+Prices

refersto: =Sheet1!$H$1:$N$69