C#

private void dataGridViewDefects_CellMouseClick(object sender, DataGridViewCellMouseEventArgs e)
{
}

this.dataGridViewDefects.CellMouseClick += new System.Windows.Forms.DataGridViewCellMouseEventHandler(this.dataGridViewDefects_CellMouseClick);
this.dataGridViewDefects.CellMouseDoubleClick += new System.Windows.Forms.DataGridViewCellMouseEventHandler(this.dataGridViewDefects_CellMouseDoubleClick);
this.dataGridViewDefects.RowEnter += new System.Windows.Forms.DataGridViewCellEventHandler(this.dataGridViewDefects_RowEnter);
this.dataGridViewDefects.Enter += new System.EventHandler(this.dataGridViewDefects_Enter);
this.dataGridViewDefects.KeyDown += new System.Windows.Forms.KeyEventHandler(this.dataGridViewDefects_KeyDown);
this.dataGridViewDefects.Leave += new System.EventHandler(this.dataGridViewDefects_Leave);

private void dataGridViewDefects_RowEnter(object sender, DataGridViewCellEventArgs e)
    {
      try
      {
        if (_SelectedDrum != null && e.RowIndex > -1) _SelectedDefect = _SelectedDrum.Defects[e.RowIndex];
      }
      catch (Exception exc)
      {
        Logger.LogException(exc);
      }
    }

Application.Run(new TwisterForm());

public class MyObject
            {
            public string Text { get; set; }
            public int Value { get; set; }
            }
        private void button1_Click(object sender, EventArgs e)
            {
            MyObject mo = new MyObject();
            mo.Text = "hello";
            mo.Value = 666;
            myList.Add(mo);
            myDataGridView.Refresh();
            }
        private List<MyObject> myList = new List<MyObject>();
        private void MyButton_Click(object sender, EventArgs e)
            {
            myDataGridView.DataSource = null;
            myList = new List<MyObject>();
            myDataGridView.DataSource = myList;
            myDataGridView.Refresh();

if (_SelectedDrum.Defects.Count == 0)
{
    _SelectedDrum.Defects = new List<DrumDefect> { defect };
    
    dataGridViewDefects.DataSource = null;
    dataGridViewDefects.DataSource = _SelectedDrum.Defects;
    dataGridViewDefects.Refresh();
}
else
{
    _SelectedDrum.Defects.Add(defect);
}

Member 13250512 wrote:

An explicit conversion exists (are you missing a cast?)