private void personGreed_RowValidating(object sender, DataGridViewCellCancelEventArgs e)
{
DataGridViewRow row = ((DataGridView)sender).Rows[e.RowIndex];
if (itemChange)
{
//row was changed
DialogResult answer = MessageBox.Show("Сохранить?", "Сохранить?", MessageBoxButtons.YesNoCancel);
if (answer == DialogResult.Cancel)
{
e.Cancel = true;
row.ErrorText = string.Empty;
return;
}
else if (answer == DialogResult.Yes)
{
Item item = GetItemFromSelectedRow((DataGridView)sender);
if (item == null)
{
e.Cancel = true;
row.ErrorText = "Некоректные данные";
return;
}
if (!item.Validate())
{
e.Cancel = true;
row.ErrorText = "Некоректные данные";
return;
}
SocketClient socket = new SocketClient();
if (socket.SaveItem(ref item))
{
row.Cells[0].Value = item.id.ToString();
row.ErrorText = string.Empty;
Item[] items = GetArrayFromSelectedGrid((DataGridView)sender);
List<Item> tmp = new List<Item>(items.Length + 1);
tmp.AddRange(items);
tmp.Add(item);
SetArrayFromSelectedGrid((DataGridView)sender, tmp.ToArray());
ValidateButtons();
}
else
{
row.ErrorText = "ошибка сервера";
e.Cancel = true;
}
}
else
{
int id = 0;
Int32.TryParse(row.Cells[0].Value.ToString(), out id);
if (id == 0)
{
//new person - clear row
foreach (DataGridViewCell cell in row.Cells)
{
if (cell is DataGridViewComboBoxCell)
{
cell.Value = ((DataGridViewComboBoxCell)cell).Items[0];
}
else
{
cell.Value = string.Empty;
}
}
//это писец!!! я задолбался это решение гуглить!
BeginInvoke(new Action(delegate { ((DataGridView)sender).Rows.RemoveAt(e.RowIndex); }));
}
else
{
//update from caсhe
Item[] items = GetArrayFromSelectedGrid(personGrid);
foreach (Item item in items)
{
if (item.id == id)
{
PutItemToRow(ref row, item);
break;
}
}
}
row.ErrorText = string.Empty;
}
}
itemChange = e.Cancel;
}
private void EditMark(bool isAdd)
{
if (subjects == null || subjects.Length == 0 ||
persons == null || persons.Length == 0)
{
MessageBox.Show("Для ввода оценок нужно добавить студентов и предметы.", "Предупреждение",
MessageBoxButtons.OK, MessageBoxIcon.Warning);
return;
}
Mark mark = null;
DataGridViewRow row = null;
if (!isAdd)
{
mark = (Mark)markGrid.CurrentRow.Cells[0].Value;
row = markGrid.CurrentRow;
}
MarkForm form = new MarkForm();
form.subjects = subjects;
form.persons = persons;
form.mark = mark;
form.FillData();
if (form.ShowDialog() == DialogResult.OK)
{
mark = form.mark;
Item item = (Item)mark;
SocketClient client = new SocketClient();
if (client.SaveItem(ref item))
{
List<Item> tmp = new List<Item>(marks.Length + 1);
tmp.AddRange(marks);
tmp.Add(item);
marks = tmp.ToArray();
PutItemToRow(ref row, item);
if (isAdd)
{
markGrid.Rows.Add(row);
ValidateButtons();
}
}
}
}