private async void DataBooks_MouseClick(object sender, MouseEventArgs e)
{
try
{
switch (e.Button)
{
case MouseButtons.Left when(DataBooks.CurrentRow.Selected):
DataBooksInf.Rows.Clear();
for (int i = 0; i < Users[DataBooks.CurrentRow.Index].Count; i++)
{
int n = DataBooksInf.Rows.Add();
(DataBooksInf.Rows[n].Cells[0].Value, DataBooksInf.Rows[n].Cells[1].Value) = GetDataRow(Users[DataBooks.CurrentRow.Index][i]);
}
DataBooksInf.ClearSelection();
Delete.Enabled = true;
Delete.Text = "Удалить книгу";
break;
case MouseButtons.Middle:
await helper.UnHideAllRowsAsyncUnsafe(DataBooks);
DataBooks.ClearSelection();
DataBooksInf.Rows.Clear();
Delete.Text = "Удалить...";
Delete.Enabled = false;
InfoLabelBookUserCount.Visible = InfoLabelBookUserCountValue.Visible = false;
break;
}
}
catch { }
}
public void SelectAndScrollToBook(int indexOfBook)
{
DataBooks.SelectionChanged -= DataBooks_SelectionChanged;
DataBooks.ClearSelection();
DataBooks.Rows[indexOfBook].Selected = true;
DataBooks.FirstDisplayedScrollingRowIndex = indexOfBook;
DataBooks.CurrentCell = DataBooks.Rows[indexOfBook].Cells[3];
DataBooks.SelectionChanged += DataBooks_SelectionChanged;
DataBooks_SelectionChanged(1, new EventArgs());
}
private void Books_Load(object sender, EventArgs e)
{
DataSet dataalll = new DataSet();
dataalll.ReadXml("BD.xml");
try
{
int i = 0;
int n = 0;
foreach (DataRow row in dataalll.Tables["Books"].Rows)
{
DataBooks.Rows[n].Cells[2].Value = row["Genre"]; // то же самое с третьим столбцом
DataBooks.Rows[n++].Cells[3].Value = row["YearPublication"]; // то же самое с четвертым столбцом
string[] indexes = row["IndexesOfCurrentUsers"].ToString().Split('.');
foreach (string index in indexes)
{
Users.Add(new List <DataGridViewRow>());
try
{
Users[i].Add(friend.DataUserGrid.Rows[Convert.ToInt32(index)]);
}
catch (Exception)
{
continue;
}
}
i++;
}
DataBooks.ClearSelection();
MoveObj.Focus();
}
catch (NullReferenceException)
{
return;
}
this.DataBooks.SelectionChanged += new System.EventHandler(this.DataBooks_SelectionChanged);
CountOfBooksTotal.Text = DataBooks.RowCount.ToString();
}