Why I'm getting this error when deleting a row in DataGridView control? How can I address this issue?
Rows cannot be programmatically removed unless the DataGridView is data-bound to an IBindingList that supports change notification and allows deletion.
public partial class Form1 : Form
{
List<Person> person = new List<Person>();
public Form1()
{
InitializeComponent();
}
void Form1Load(object sender, EventArgs e)
{
person.Add(new Person("McDonalds", "Ronald"));
person.Add(new Person("Rogers", "Kenny"));
dataGridView1.DataSource = person;
}
void BtnDeleteClick(object sender, EventArgs e)
{
dataGridView1.Rows.RemoveAt(dataGridView1.SelectedRows[0].Index);
}
}
List<T>
does not implement IBindingList
,
public class List<T> : IList<T>, ICollection<T>,
IEnumerable<T>, IList, ICollection, IEnumerable
You need to use a class that implements IBindingList
Use a BindingList<T>
or DataTable
instead