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);
}
}
}