foreach(IDictionary<string,object> row in MiniExcel.Query(path)) { //.. } // or var rows = MiniExcel.Query(path).Cast<IDictionary<string,object>>(); 9. Query 读 Excel 返回 DataTable提醒: 不建议使用,因为DataTable会将数据全载入内存,失去MiniExcel低内存消耗功能。
ExcelDataReader 'ExcelDataReader Query' 17.3 MB 22.56508 sec Epplus 'Epplus QueryFirst' 1,452 MB 18.19801 sec Epplus 'Epplus Query' 1,451 MB 23.64747 sec OpenXmlSDK 'OpenXmlSDK Query' 1,412 MB 52.00327 sec OpenXmlSDK 'OpenXmlSDK QueryFirst' 1,413 MB 52.34865 sec ClosedXml 'ClosedXml ...
I tried the link you attached and I still get the same error: The query did not run, or the database table could not be opened. Check the database server or contact your database administrator. Make sure the external database is available and hasn't been moved or reorganized, then tr...
public Microsoft.Office.Interop.Excel.Range XmlDataQuery (string XPath, object SelectionNamespaces, object Map); Parameters XPath String The XPath to query for. SelectionNamespaces Object A space-delimited string that contains the namespaces referenced in the XPath parameter. A run-time error is gener...
With Power Query (known as Get & Transform in Excel), you can import or connect to external data, and thenshapethat data, for example remove a column, change a data type, or merge tables, in ways that meet your needs. Then, you can load your query into Excel to create charts and ...
Note No column pagination support for query sets as data source.Formatting while transcoding a big data fileIf you are transcoding a big data set, conventional formatting method would not help unless a on-demand free RAM is available. However, there is a way to minimize the memory footprint ...
Simply select a cell in a data range, then on the Home tab, select the Analyze Data button. Analyze Data in Excel will analyze your data, and return interesting visuals about it in a task pane. If you're interested in more specific information, you can enter a question in the query bo...
Import data from Excel The steps in this section explain how to prepare for and run an import operation, and how to save the import settings as a specification for later reuse. As you proceed, remember that you can import data from only one worksheet at a time. You ...
(21, 2) = "xlDialogChartAddData" xlDialog(22, 2) = "xlDialogChartLocation" xlDialog(23, 2) = "xlDialogChartOptionsDataLabelMultiple" xlDialog(24, 2) = "xlDialogChartOptionsDataLabels" xlDialog(25, 2) = "xlDialogChartOptionsDataTable" xlDialog(26, 2) = "xlDialogChartSourceData" xl...
To make the connection from Power Query Desktop: Select Excel Workbook in the get data experience. The get data experience in Power Query Desktop varies between apps. For more information about the Power Query Desktop get data experience for your app, go to Where to get data. Browse for and...