private void BtnSearchStudent_Click(object sender, EventArgs e) { ep.Clear(); if (txtStudentID.Text.Trim().Length == 0) { ep.SetError(txtStudentID, "Öğrenci ID giriniz!"); txtStudentID.Focus(); return; } try { var s = StudentsHelper.GetStudentByID(Convert.ToInt32(txtStudentID.Text)); FillGridStudent(s); btnSearchStudent.Enabled = false; txtStudentID.Enabled = false; } catch (Exception ex) { MessageBox.Show("Bu ID'ye ait öğrenci bulunamadı", "Library Management System", MessageBoxButtons.OK, MessageBoxIcon.Error); } if (btnSearchBook.Enabled == false || btnSearchStudent.Enabled == false) { btnCancel.Enabled = true; } if (btnSearchBook.Enabled == false && btnSearchStudent.Enabled == false) { btnAdd.Enabled = true; } }
private void btnSearchStudent_Click(object sender, EventArgs e) { ep.Clear(); if (txtStudentID.Text.Trim().Length == 0) { ep.SetError(txtStudentID, "Öğrenci ID giriniz!"); txtStudentID.Focus(); return; } try { var s = StudentsHelper.GetStudentByID(Convert.ToInt32(txtStudentID.Text)); FillGridStudent(s); FillGridBook(Convert.ToInt32(txtStudentID.Text)); if (dgvIssueBookList.Rows.Count > 0) { btnSearchStudent.Enabled = false; btnSelectIssueBook.Enabled = true; txtStudentID.Enabled = false; dgvIssueBookList.Enabled = true; } else { MessageBox.Show("Bu ID'ye ait öğrencide kitap yoktur.", "Library Management System", MessageBoxButtons.OK, MessageBoxIcon.Information); } } catch (Exception ex) { MessageBox.Show("Bu ID'ye ait öğrenci bulunamadı", "Library Management System", MessageBoxButtons.OK, MessageBoxIcon.Error); } }
private void btnSelectFine_Click(object sender, EventArgs e) { if (dgvFineList.Rows.Count > 0) { if (dgvFineList.SelectedRows.Count == 1) { int selectIndex = dgvFineList.CurrentRow.Index; var studentID = dgvFineList.Rows[selectIndex].Cells[1].Value; dgvFineList.Enabled = false; gbStudent.Enabled = true; btnCancel.Enabled = true; btnSelectFine.Enabled = false; var s = StudentsHelper.GetStudentByID(Convert.ToInt32(studentID)); FillGridStudent(s); } } }