Opening your Visual Studio, then click New Project.
Next, select Visual C# on the left, then Windows and then select Windows Forms Application, you can enter name your project "AddButtonToDataGridView" and then click OK

c# add button to datagridview cell
Opening your form designer, then drag a DataGridView from the Visual Studio toolbox into your form designer, you can set the DockStyle property of the DataGridView to Fill.

Creating a Customer class allows you to store data
public class Customers
{
public string CustomerID { get; set; }
public string CustomerName { get; set; }
public string Email { get; set; }
public string Address { get; set; }
}
Adding a Form_Load event handler that allows you to initialize data, then add data to BindingSource.
private void Form1_Load(object sender, EventArgs e)
{
//Init data
customersBindingSource.Add(new Customers() { CustomerID = "1", CustomerName = "Maria Anders", Email = "[email protected]", Address = "Obere Str. 57" });
customersBindingSource.Add(new Customers() { CustomerID = "2", CustomerName = "Ana Trujillo", Email = "[email protected]", Address = "Avada. de la Cons" });
customersBindingSource.Add(new Customers() { CustomerID = "3", CustomerName = "Thomas Hardy", Email = "[email protected]", Address = "120 Hanover Sq." });
customersBindingSource.Add(new Customers() { CustomerID = "4", CustomerName = "Elizabeth Liconln", Email = "[email protected]", Address = "23 Tsawassen" });
}
How to add edit and delete button in datagridview in c#

Finaly, you can add a CellContentClick event handler to DataGridView that allows you to check the column name you click.
private void dataGridView_CellContentClick(object sender, DataGridViewCellEventArgs e)
{
//Check deleted rows
if (dataGridView.Columns[e.ColumnIndex].Name == "Delete")
{
if (MessageBox.Show("Are you sure want to delete this record ?", "Message", MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
customersBindingSource.RemoveCurrent();
}
}
You can view the video below, to know how to add button to datagridview in c# windows forms application.
VIDEO TUTORIAL