How read and write data from Excel in C#?

Posted on by Emilia Duggan

How read and write data from Excel in C#?

Steps to read and write data from Excel using C#

  1. Step 1: Create a new C# project in Visual Studio.
  2. Step 2: Add COM Component Reference i.e. Excel 14 Object.
  3. Step 3: Import the namespaces in C# code.
  4. Step 4: Write Data to Excel File.
  5. Step 5: Read Data from Excel File.
  6. Step 6: Run the C# Program.

How do you import an Excel file into C#?

Select Add Reference dialogue from Project menu of your Visual Studio. Select Microsoft Excel 15.0 Object Library of COM leftside menu and click OK button. After import the reference library, we have to initialize the Excel application Object. Next step is to open the Excel file and get the specified worksheet.

How do I open an existing Excel workbook in C#?

For open or read an Excel file in C# , first you have to add the Microsoft Excel 12.0 Object Library in you project. Create a new project and add a Command Button to the Form. Form the following images you can find how to add Excel reference library in your project. Select Reference Dialogue from Project menu.

What is the namespace for Excel in C#?

Microsoft.Office.Tools.Excel namespace
The Microsoft. Office. Tools. Excel namespace contains a set of types that extend and support the Microsoft Office Excel object model in projects created by using the Office development tools in Visual Studio.

How do I open an Excel file in Visual Studio?

More Information

  1. Start Microsoft Visual Studio .
  2. On the File menu, click New, and then click Project.
  3. Add a reference to Microsoft Excel Object Library.
  4. Click OK in the Add References dialog box to accept your selections.
  5. On the View menu, select Toolbox to display the Toolbox.

How do I create a product key for Excel?

So, let’s create a registration key for this application and specific computer ID. Select in Excel menu ‘DoneEx >>XCell Compiler >> Registration Key Tool’ item. Browse to the C:\0\Sample.exe for ‘Path to compiled Exe’. Put customer name and customer email address in the boxes.

How do I save an Excel file as XLSX in C#?

Steps to Convert XLS to XLSX via C#

  1. Load XLS file with an instance of Workbook class.
  2. Call the Workbook.Save method.
  3. Pass output path with XLSX extension & SaveFormat.Auto as parameters.
  4. Check specified path for resultant XLSX file.

How do I add Microsoft Office tools to Excel?

1 Answer

  1. Close any instances of Visual Studio you have open.
  2. Run the Visual Studio Installer (search for it, or it is most commonly in %ProgramFiles%\Microsoft Visual Studio\Installer\ )
  3. Click the Modify button (or More > Modify)
  4. Verify you have the Office/SharePoint development workload checked.