public FormCheckLoans(string UserID) { InitializeComponent(); this.StartPosition = FormStartPosition.CenterScreen; DatabaseInfo.Visible = false; AdminID = UserID; waitingReg = con.waitingRegistration(); if (waitingReg > 0) { registrationReguestToolStripMenuItem.Text = "Registration Request (" + waitingReg + ")"; } else if (waitingReg == 0) { registrationReguestToolStripMenuItem.Text = "Registration Request"; } else if (waitingReg == -1) { registrationReguestToolStripMenuItem.Text = "Registration Request"; DatabaseInfo.Text = "Cannot connect to database!"; DatabaseInfo.Visible = true; } books = con.checkLentBookNames(); readers = con.checkOwnersOfLentBooks(); lendings = con.checkDatesLendings(); returns = con.checkReturnsDates(); for (int i = 0; i < books.Count; i++) { ListViewItem item = new ListViewItem(books[i]); item.SubItems.Add(readers[i]); item.SubItems.Add(lendings[i]); item.SubItems.Add(returns[i]); listView1.Items.Add(item); } }