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If the node doesn’t exist you have to restore the formula, which can only be done when there is at least one listrow.
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#VBA EXCEL IMPORT XML SINGLE WORKBOOK CODE#
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In the BeforeExport event verify unt of each involved table. Workaround: Restore formulas after importĪ possible solution is to prevent the user from exporting an empty table. If your application uses column formulas in xml-tables and allows a user to import empty tables you definitely need a workaround. Now add some rows again and note that the columnformula was not restored! Bug 2. Then refresh the list from a file with empty table, which should empty the list. Now, enter a few rows and make sure the columnformula is restored. In Sheet2 add a third column Year to the table and enter the formula After deleting all rows Excel will restore the columnformula when you add a new row. Observation 4: Excel removes columnformulas when importing an empty tableįirst recall the normal behavior of a columnformula in a table. But if you do: the only way to find out is to verify the source file itself. The implication of this observation is that after an import which results in a list with one row, it is impossible to know whether this is from a file with zero books or from a file with one book with empty title and publishdate fields. It will show three lines like these:Ĭonclusion: take a list with one row, refresh this list from a file with an empty table, then Excel does not delete the row but only clears its contents! Odd. Finally, add one row only and refresh: same result.īut wait! Look in the immediate window of the VBE.Now make sure the table is empty (delete all rows) and refresh: same result.Add two or more rows to the table and refresh.Private Sub Workbook_AfterXmlImport(ByVal Map As XmlMap, ByVal IsRefresh As Boolean, _ĭebug.Print 'Workbook_AfterXmlImport', Sheet2.ListObjects(1).ListRows.Count Next, paste these lines into the ThisWorkbook module: After a refresh your sheet should be empty. Make sure you have imported the empty file. Well, almost… Observation 3: Excel is inconsistent when importing an empty table Open this file in Notepad and (don’t) be surprised: it looks exactly like the empty file above. But now Excel does allow you to export an empty table! Delete all rows from the table, clear B2, and export to a file. I agree, if you don’t need an owner field then this is not a great solution. Excel shows this message: Xml Observations fig 2 Observation 2: Excel refuses to export empty tablesĭelete all rows in the table and Xml-export to a file. So keep in mind: mapped elements are bound to the last Xml-import. To see which file is bound to an XmlMap use property Thisworkbook.XmlMaps(1).DataBinding.SourceUrl. To bind data2.xml to the mapped cells you must Xml-import this file. Right-click in the table and choose Refresh, and you will see that data1.xml is reloaded, not data2.xml. Observation 1: Mapped data are bound to last importĪlthough you just exported the data to data2.xml, the mapped cells are still bound to data1.xml. Right-click in the table again and choose XML > Export and save to a new file data2.xml. Now delete row 2 from the table (right-click in row 2 > Delete > Table rows). Note that element “book” (line 5) has a restriction of maxOccurs=”unbounded”, and that publishdate (9) is typed as a date. You can retrieve this schema by property Thisworkbook.XmlMaps(1).Schemas(1).XML. (Download the enclosed workbook if you like.)ĭuring the import process Excel created an XmlMap object and inferred a schema.