I am retrieving the SQL data into data grid view now I want particular row data into the other web from, but I am getting null object reference.
System.NullReferenceException: 'Object reference not set to an instance of an object.'
public void dgvEmployee_CellContentClick(object sender, DataGridViewCellEventArgs e)
{
this.Close();
Update up = new Update();
up.IdBox.Text = this.dgvEmployee.CurrentRow.Cells[0].Value.ToString();
up.NameBox.Text = this.dgvEmployee.CurrentRow.Cells[1].Value.ToString();
up.ManagerBox.Text = this.dgvEmployee.CurrentRow.Cells[2].Value.ToString();
up.ShowDialog();
}