How to Format the DataGridview Column to Percentage using VB

How to Format the DataGridview Column to Percentage in VB.Net

This tutorial is all about How to Format the DataGridview Column to Percentage in VB.Net. In this post, I will teach you How to Format the DataGridview Column to Percentage using VB.Net.

So let’s get started:

As a continuation of this tutorial. We will use the Displaying Data Table Records in Datagridview using VB.Net

Steps How to Format the DataGridview Column to Percentage in VB.Net

Step 1: First, Design your Form like this one below.

Add a Button and change the Text property of each button similar to the image below.

Step 2: After designing the form. Click the Button and add this following codes.

Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
DataGridView1.Columns(3).DefaultCellStyle.Format = "p2"
DataGridView1.Refresh()
End Sub

Step 3: Then Click F5 to Run the Program.

Output:

Frequently Asked Questions

How does this VB.NET DataGridView example work?

Demonstrates binding a DataGridView to a DataTable or SQL Server source via ADO.NET. Common patterns: filter rows, edit cells with validation, export to Excel via interop, custom column formatting, search.

What Visual Studio and SQL Server versions does this VB.NET project require?

Most projects use VB.NET WinForms on .NET Framework 4.5+ with SQL Server 2012 Express or higher. To run: install Visual Studio 2019 / 2022 (Community is free) with the ‘Desktop development with .NET’ workload, install SQL Server Express + SSMS, open the .sln file, build, run.

How do I set up the database for this VB.NET project?

Open SQL Server Management Studio (SSMS) and connect to your SQL Server (e.g. localhost\SQLEXPRESS). Right-click Databases, choose Restore Database OR New Database then import the included .sql script. Update the connection string in App.config (or in code-behind Module) with your server name + credentials. Rebuild and run.

Can I use this VB.NET project for a BSIT capstone or thesis?

Yes, VB.NET is one of the most accepted languages by Philippine BSIT panels. Extend it: add role-based access (admin/staff/customer login redirect), Crystal Reports or RDLC reports, dashboards with Chart control, audit log, multi-branch support. Pair with Chapter 1-5 documentation matching your panel’s rubric.

Why am I getting ‘connection error’ or ‘cannot find SQL Server’?

Three common VB.NET issues: (1) Connection error: SQL Server isn’t running. Open SQL Server Configuration Manager and verify SQL Server (SQLEXPRESS) service is started. (2) Wrong server name in connection string. Try .\SQLEXPRESS, (local)\SQLEXPRESS, or your machine name. (3) Login failed: SQL Server is set to ‘Windows-only’ authentication. Switch to Mixed Mode in SSMS Server Properties, Security.

Where can I find more VB.NET projects with source code?

Browse the VB.NET Projects hub for the full library. For C# WinForms alternatives see C# Projects. For ASP.NET web alternatives see ASP.NET Projects. For BSIT capstone idea lists see 150 Best Capstone Project Ideas.

Inquiries

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Download Code Here

Conclusion

This tutorial is only a little portion of manipulation datagridview in visual basic. Out of this tutorial, you will be able to apply the ideas presented to your personalized vb.net projects.

For more VB.Net Projects with source code free to download you can follow this link.

If you want to learn how to master VB.NET with MySQL Database in 30 minutes, watch and follow the video here.

https://youtu.be/qV4OzsCQsWA

Or If you want a VB.Net with MS Access database version, watch it here.

https://youtu.be/d19592oQjdw