البحث عن جداول الاستعلام وكائنات القائمة ذات الصلة باتصالات البيانات الخارجية
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في بعض الأحيان ، تحتاج إلى اكتشاف جداول الاستعلام وكائنات القائمة ذات الصلة ببعض اتصالات البيانات الخارجية. ترتبط جداول الاستعلام بكائن اتصال البيانات الخارجية مع معرف الاتصال ، بينما ترتبط كائنات القائمة بجدول استعلام.
البحث عن جداول الاستعلام وكائنات القائمة ذات الصلة باتصالات البيانات الخارجية
رموز العينة التالية معنموذج ملف اكسل شرح كيفية العثور على جداول الاستعلام وكائنات القائمة ذات الصلة باتصال البيانات الخارجية.
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// 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(); |
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// 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)); | |
} | |
} | |
} | |
} | |
} |
ما يلي هو إخراج وحدة التحكم لتشغيل نماذج الرموز أعلاه مع هذانموذج ملف اكسل.
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