How to create Excel file in VB.Net
Automation to Excel allows you to perform actions such as creating a new workbook, adding data to the workbook, or creating charts etc. The following VB.Net code example shows how to use COM interop to create an Excel file. Before going to create new Excel file programmatically in VB.Net, you must have Excel installed on your system for this code to run properly.
In order to access the object model from Visual VB.NET, you have to add the Microsoft Excel 12.0 Object Library to your current project.
Create a new project and add a Command Button to your VB.Net Form.
How to use COM Interop to Create an Excel Spreadsheet
Form the following images you can find how to add Excel reference library in your VB.Net project.
Select reference dialogue from Project menu.
How to create an Excel Document Programmatically
First we have to initialize the Excel application Object in your VB.Net application.
Before creating new Excel Workbook, you should check whether Excel is installed in your system.
Then create new Workbook
After creating the new Workbook, next step is to write content to worksheet
In the above code we write the data in the Sheet1, If you want to write data in sheet 2 then you should code like this.
Save Excel file (SaveAs() method)t
After write the content to the cell, next step is to save the excel file in your system.
How to properly clean up Excel interop objects
Finally, we have to properly clean up Excel interop objects or release Excel COM objects. Here we write a function to clean up the Excel Application, Excel Workbook and Excel Worksheet Objects.
Creating an Excel Spreadsheet Programmatically
Copy and paste the following source code in your VB.Net project file