Pass the workbook to a separate function. Type.Missing, Type.Missing, Type.Missing, Type.Missing, those arguments do, but they can be changed to influence behavior.
#Excel for mac version 15 cannot insert chart code#
This mess of code opens an Excel workbook. Public void ExcelOpenSpreadsheets(string thisFileName) Will throw an exception if a file cannot be found or opened. Send the workbook to the next function, the internal scan / Open the file path received in Excel. Method that opens Excel workbooks: C# /// The following code uses the Workbooks.Open method. Put a public function on the class, and it can use the _excelApp we already have. To open Excel files, you must call Workbooks.Open. In the constructor, make the _excelApp a new Application object. Put an Application object called _excelApp as a member. We need a place to store our Excel information, so we use our special class. / Store the Application object we can use in the member functions. / It can be shared in many places to avoid duplication. / This class contains the Excel Interop code we need. You will only need to use a few-unless you have complex requirements. If you look at various Excel interop objects in IntelliSense, you will see hundreds of undocumented functions. Tip: Add the using line to your class file-this will make the Excel namespace handy.Įxcel interop methods. We use that name in the examples, but you are free to use something more familiar or standard. Namespace containing Excel interop methodsįirst, we make a new C# class file in Visual Studio and you can call it something like ExcelInterop. You have to use Visual Studio's GUI to add an assembly to your program to use Excel interop. You must include a namespace to use Excel in your C# program. Tip: Add the assembly by going to Project -> Add Reference. This assembly sometimes creates performance issues. These files are hard to read in C# programs. It applies to read XLS files.Įxcel creates XLS and XLSX files. This C# tutorial handles Microsoft Excel files.
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