The purpose of this article is to describe how to create an Excel workbook using solely DocumentFormat. However, the demo project starts the xlsx document after it hsa been created so in order to view the file created, a program that can open xlsx files should be installed to view the file.
These standards define the structure and the elements for the Office files. The Office files like xlsx for Excel themselves are zipped files that contain a specific directory and file structure. The files that hold the content of a spreadsheet are xml files like any other xml files. The actual package contains more files but in the scope of this article these are the most interesting ones.
The demo projects included show few operations that are done to produce and modify these files. The project itself is very simple.
It consists of two classes: MainWindow class and a static Excel Class. The Excel class is responsible of all the operations done against the Excel spreadsheet. It's kinda utility class, but note that it's nowhere near ready. It's supposed to be used as a learning tool or a seed to an actual implementation. One surprise was that the order of the elements in XML files is very important.
Otherwise the document is interpreted as corrupted. However there is no support in the library to fetch the indexes so the collections have to be looped in order to calculate the index of a desired element.
If you download the project, you'll notice that fully qualified class names are used. In this article I have removed the namespaces before the classes in order to enhance readability. So if you are copying code from the code snippets, don't forget to define using in C or Imports in VB for the two namespaces:. Now to the code. The first thing is to create the spreadsheet. This is actually the xlsx file. After the spreadsheet document is created, four elemental parts common to all worksheets are added:.
One way to create the style definitions is to create them from the code. In the demo, the following basic styles are created:. Another thing is that, as mentioned before, the order of the style sheet elements is critical. If the order isn't correct, Excel will very easily interpret the document as corrupted. An excerpt from the style creation is the creation of CellStyleFormats element and a CellFormat element inside the formats:. Another way to define the styles is to use an existing XML file that holds the style definition.
The contents of this file are read into a string which is then added to the empty stylesheet created previously. The style definitions look as following it's actually the same that is also created using the code :. As a matter of fact basically any element can be filled by just adding an XML into it.
For example a worksheet can be filled by adding a proper XML as the inner text of the worksheet. Next step is to add a worksheet. Adding a worksheet is straight-forward. However, one gotcha is to remember to define the relation to the workbook.This method allows you to import data into the workbook from a file path. Excel uses the first qualifying map found, or if the destination range is specified, Excel automatically lists the data. Don't specify a value for the Destination parameter if you want to import data into an existing mapping.
The following conditions cause the XmlImport method to generate run-time errors:. Have questions or feedback about Office VBA or this documentation? Please see Office VBA support and feedback for guidance about the ways you can receive support and provide feedback.
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If the data was previously imported, contains a reference to the XmlMap object containing the data. Overwrite Optional Variant If a value is not specified for the Destination parameter, this parameter specifies whether to overwrite data that has been mapped to the schema map specified in the ImportMap parameter.
Set to True to overwrite the data or False to append the new data to the existing data. The default value is True. If a value is specified for the Destination parameter, this parameter specifies whether to overwrite existing data. Set to True to overwrite existing data or False to cancel the import if data would be overwritten. Destination Optional Variant Specifies the range where the list will be created. You only use the top-left corner of the range. The following conditions cause the XmlImport method to generate run-time errors: The specified XML data contains syntax errors.
The import process was cancelled because the specified data cannot fit into the worksheet. If no qualifying maps are found and the destination range was not specified. Related Articles Is this page helpful? Yes No. Any additional feedback?
Skip Submit. Is this page helpful? The schema map to apply when importing the file. If a value is not specified for the Destination parameter, this parameter specifies whether to overwrite data that has been mapped to the schema map specified in the ImportMap parameter.
Change your preferences any time. Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. I have a large Microsoft Excel file that is shared between users in my office. The file has a macro and a set of data validation.
The file is used the last two weeks of every third month. The file worked perfectly before Christmas, however, we encountered errors in March.Best 5700 xt wattman settings
The following error appeared when the file was opened. After clicking yes, the following appeared. I have figured out a number of work arounds, however, these slow down our productivity, and the error can comeback later on in the day. Can somebody tell me what is the likely cause of this problem?
To avoid a lengthy comment section we continued in chat last night.
Creating basic Excel workbook with Open XML
It wound up being quicker than anticipated. He provided the definedName block below. It is a shared workbook, on a network drive, and by the looks of it there are 6 different machines that have all stored some personal view data. It's an easy thing to lose control over as those GUIDs are generated by excel at runtime.
This will either fix the issue, or reduce the candidates to one user defined, and one system defined range. Chances are that a recent save hiccup left some file parts without an update, and thus a broken relationship. Learn more. Asked 5 years ago. Active 6 months ago. Viewed 10k times. The code for the macro is: Sub Update 'Declaring Variables. Activate Cells.Animal feed qatar
Select Selection. Delete Selection. Delete 'Assigning value to array. Count, "A". End xlUp. SpecialCells xlCellTypeVisible. Cells 1, 1. Select Range Selection, Selection. End xlDown. Copy Sheet8. Select Sheet8.
Range "A1".Excel cannot save your workbook in the XML Data if you have not created one or more mapped ranges. Hi Tina. Check this link. Optional If you want to save the workbook file inside a new subfolder within the folder currently open in the Save As dialog box, you can click the New Folder button on the toolbar and then type the name of the folder and press Enter.
You can use the original name if you want so that your original Excel file will appear right next to the PDF or XPS file in an alphabetical list. From the Options dialog box, you can change how much of the worksheet to convert as well as including the document properties in the output. To map one or more elements to your worksheet, select the elements in the XML Source task pane. To select nonadjacent elements, click one element, and then hold down CTRL and click each element.
Drag the selected elements to the worksheet location where you want them to appear. You can save any file format that you can open in Excel in the current Excel Workbook file format.
By doing this, you can use the new features of Excelsuch as sparklines, that are not supported by other file formats. Open the file that you want to save in the current file format.Guitar looping software
On the File tab, click Save As. To save the file to a different location, specify the drive and location in the file path and folder boxes. In the File name box, accept the suggested name or type a new name for the workbook. If you are saving a workbook that was created in an earlier version of Excel, the workbook contains macros that you want to retain, and you want to save the workbook as a template, click Excel Macro-Enabled Template.
Click Save. Radhika roy replied to Tina on Aug AM. Hope this will help you. All Questions. New Question.Did you know that Excel files are actually a zipped collection of XML files?
You can easily explore and edit the complete structure of your Excel workbook. All you have to do: Rename and unzip the. Before we jump in: Some background information. Each Excel workbook contains of a bunch of folders and XML files.
It works with opening and closing tags, e. The good thing about this: You can comparatively easy read and understand the source code. Not the workbook itself in Excel, but rather its source code XML files. If you save your Excel workbook, it usually got the. That means, your file is an Excel file which will open in Excel. Each contains some XML files. You can open them with the text editor or — and that usually looks better — when a browser, e.
Hold on a second.
Microsoft Office XML formats
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You get all this:. The best Excel tips, tricks and tutorials. No spam. Your welcome gift : Our big 45 pages keyboard shortcuts package. In case the sign-up form above doesn't work, please use this page. Sorry for the inconvenience. An Excel workbook can contain various types of data.
All of them are somehow saved within your file. An Excel workbook can have various types of contents: The charts, tables, PivotTables, drawing, images and of course the actual worksheet or cell contents. This all must be saved somehow in the Excel file. But furthermore, there are many other information stored: Some meta data, calculation chains, themes and styles, named ranges and the relationship of all this data and files.
The image on the right side provides a rough overview of all the types of data saved in an Excel file. You can divide the content into the following two categories:. Each Excel workbook has some basic contents. A completely empty workbook already comes with these folders and files:.
There is one XML file for each Excel worksheet. This worksheet has some content in the cells A1, B1, A2 and B2. There is also an image, the cell I24 is selected. So how does the underlying source code look like?The root element of WorkbookPart. When the object is serialized out as xml, its qualified name is x:workbook. The following code example opens an existing spreadsheet document and adds a new worksheet, named "mySheet," and associates it with the workbook.
The workbook element is the top level element. It contains elements and attributes that encompass the data content of the workbook. The workbook's child elements each have their own subclause references, and these are shown in the child elements table below.
Structure of a SpreadsheetML document (Open XML SDK)
A partial list of the workbook's structures that these elements represent are:. Sheets: represents the collection of worksheets in the workbook.
The sheets are the central structure within a workbook, and contain the text, numbers, dates, formulas, and other elements of a workbook.
Views: SpreadsheetML defines a collection of Workbook views that define basic window dimensions and position of the workbook if it is ever displayed by a spreadsheet application. It also defines a collection of Custom Workbook Views that allows SpreadsheetML to describe one or more views of the data within a workbook. Properties: the workbook has several property collection that store basic workbook settings, such as the date system to use, file protection settings, calculation settings, and smart tag behaviors.
Names: words or strings of characters that represent cells, ranges of cells, formulas, or constant values. AbsolutePath, this property is only available in Office Represents the following element tag in the schema: x15ac:absPath.
Gets the last child of the current OpenXmlElement element. Sets the markup compatibility attributes. Returns null if no markup compatibility attributes are defined for the current element.
Gets all the namespace declarations defined in the current element.
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Workbooks.OpenXML method (Excel)
The data to this file is written through a data flow task where the xlsx file is the oledb destination. The file opens just fine before the data flow task. After the data flow task, I get a dialog as follows:. When I click yes, I get another message:. I am not able to figure out what exactly is causing this error.Diagram based yamaha 30 hp wiring diagram completed
Any help will be appreciated. I had this issue when I was using EPPlus to customise an existing template. For me the issue was in the template itself as it contained invalid references to lookup tables. Got it resolved. I don't really know the reason. Did some research and came to know that something related to tab names can cause this issue.
I had to tabs with names like 'tab' and 'tab 2 '.
May be possible that xlsx treats them as same names. Maybe a special character in your tab name and you define name range with the tab name. Learn more. Asked 6 years, 7 months ago. Active 1 year, 4 months ago. Viewed 36k times. Active Oldest Votes. I suggest that you check the template if you face this issue. Obligatory "me too" comment.
Took forever to find. Save a few hours of your life that I'll never get back from mine: double-check for hidden sheets when doing this, as they, understandably, don't show up in this list, and are probably a bit more likely to have errors anyway.
Huge time saver! For me, it was a ' in the tab name. Each sheet tab needs to have unique name. This error is also shown when 2 or more sheets have the same name. Yep - once I narrowed down the tab, I simply renamed it from an acronym to the full name and that solved the problem. In my case similar error was caused by sheet tab name longer than 30 characters.
Michael Brennt Michael Brennt 8 8 silver badges 19 19 bronze badges. George Grainger George Grainger 3 3 silver badges 12 12 bronze badges. For me it was a button with a macro assigned with a value like : 'MyMacro "MyParam" '. Thomas Thomas 4, 3 3 gold badges 25 25 silver badges 42 42 bronze badges. The Overflow Blog.
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