private void btnXacNhan_Click(object sender, EventArgs e)
{
//them lop vao treeview
this.Dispose();
frmThemSinhVien frm = new frmThemSinhVien();
frm.ShowDialog();
}
private void thêmSinhViênToolStripMenuItem_Click(object sender, EventArgs e)
{
frmThemSinhVien frm = new frmThemSinhVien();
frm.ShowDialog();
}
private void thêmSinhViênToolStripMenuItem_Click(object sender, EventArgs e)
{
connect = cn.getConnect();
connect.Open();
SqlCommand command = new SqlCommand();
command.CommandType = CommandType.Text;
command.Connection = connect;
string tmp = "";
TreeNode theNode = this.TvDanhSachLop.SelectedNode;
if (theNode.Tag == "1")
{
string str = "select MaLop,TenLop from Lop where TenLop= N'" + theNode.Text + "'";
DataTable tb = cn.getTable(str);
// frm.txtLop.Text = tb.Rows[0]["TenLop"].ToString();
// frm.txtLop.Enabled = false;
// string text = tb.Rows[0]["TenLop"].ToString();
do
{
connect = cn.getConnect();
connect.Open();
frmThemSinhVien frm = new frmThemSinhVien(theNode.Text);
frm.Text = "Thêm sinh viên vào lớp " + theNode.Text;
frm.ShowDialog();
if (frm.DialogResult == DialogResult.OK)
{
sql = " insert into SinhVien values(@ma,@hoten,@malop,@ngay,@gt,@image,@nghi)";
SqlCommand cmd = new SqlCommand();
cmd.CommandType = CommandType.Text;
cmd.Connection = connect;
cmd.CommandText = sql;
MemoryStream stream = new MemoryStream();
int width1 = Convert.ToInt32(frm.imgTrain.Width);
int height1 = Convert.ToInt32(frm.imgTrain.Height);
int width = 148;
int height = 161;
Bitmap bmp = new Bitmap(width, height);
frm.imgTrain.DrawToBitmap(bmp, new Rectangle(0, 0, Width, Height));
bmp.Save(stream, System.Drawing.Imaging.ImageFormat.Jpeg);
byte[] pic = stream.ToArray();
cmd.Parameters.Add("@ma", SqlDbType.Char).Value = frm.txtMaSV.Text;
cmd.Parameters.Add("@hoten", SqlDbType.NVarChar).Value = frm.txtHoTen.Text;
cmd.Parameters.Add("@ngay ", SqlDbType.Date).Value = Convert.ToDateTime(frm.txtNgaySinh.Text, new CultureInfo("vi-VN")).Date;
cmd.Parameters.Add("@gt", SqlDbType.NVarChar).Value = frm.radNam.Checked == true ? "Nam" : "Nữ";
cmd.Parameters.Add("@malop", SqlDbType.NVarChar).Value = tb.Rows[0]["MaLop"];
cmd.Parameters.Add("@image", SqlDbType.Image).Value = pic;
cmd.Parameters.Add("@nghi", SqlDbType.Int).Value = 0;
int ret = -1;
try
{
ret = cmd.ExecuteNonQuery();
dataGridView1.DataSource = null;
// kiểm tra lớp đã điểm danh buổi nào hay chưa
// nếu chưa điểm danh=> chỉ thêm vào bảng SinhVien
// nếu lớp đã điểm danh => thêm vào bảng SinhVien và bảng DH_SV_LCN
// chèn vào table DH_SV_LCN
sql = "select* from DH_SV_LCN where MaLop='" + tb.Rows[0]["MaLop"] + "' and MaSV ='" + frm.txtMaSV.Text + "'";
SqlDataAdapter da = new SqlDataAdapter(sql, connect);
DataTable tb1 = new DataTable();
da.Fill(tb1);
// if (tb1.Rows.Count==0)
int days = MaxDate(tb.Rows[0]["MaLop"].ToString(), 1);
if (days > 0)
{
sql = "insert into DH_SV_LCN values(@malop,@masv,@ngay,@nghi)";
SqlCommand cmd2 = new SqlCommand();
cmd2.CommandType = CommandType.Text;
cmd2.Connection = connect;
cmd2.CommandText = sql;
cmd2.Parameters.Add("@malop", SqlDbType.Char).Value = tb.Rows[0]["MaLop"];
cmd2.Parameters.Add("@masv", SqlDbType.Char).Value = frm.txtMaSV.Text;
cmd2.Parameters.Add("@ngay", SqlDbType.Date).Value = DateTime.Now;
cmd2.Parameters.Add("@nghi", SqlDbType.Int).Value = days;
try
{
cmd2.ExecuteNonQuery();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
showListSV();
frm.clear();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
// MessageBox.Show("Sinh viên đã tồn tại!");
}
}
if (frm.DialogResult == DialogResult.Cancel)
{
break;
}
} while (true);
}
else
if (theNode.Tag == "2")
{
connect = cn.getConnect();
connect.Open();
string sql = "select MaLop,TenLop from LopHocPhan where TenLop= N'" + theNode.Text + "'";
DataTable tb = new DataTable();// cn.getTable(str);
SqlDataAdapter da = new SqlDataAdapter(sql, connect);
da.Fill(tb);
string text = tb.Rows[0]["MaLop"].ToString();
do
{
connect = cn.getConnect();
connect.Open();
frmThemSinhVienLHP frm = new frmThemSinhVienLHP(text); // truyen vao ma lop
frm.Text = "Thêm sinh viên vào lớp " + tb.Rows[0]["TenLop"].ToString();
frm.ShowDialog();
// frm.add();
if (frm.DialogResult == DialogResult.OK)
{
//nhap vap lop
sql = " insert into SV_LHP values(@malop,@masv)";
SqlCommand cmd = new SqlCommand();
cmd.CommandType = CommandType.Text;
cmd.Connection = connect;
cmd.CommandText = sql;
cmd.CommandText = sql;
cmd.Parameters.Add("@malop", SqlDbType.Char).Value = tb.Rows[0]["MaLop"].ToString();
cmd.Parameters.Add("@masv", SqlDbType.Char).Value = frm.txtMaSV.Text;
try
{
cmd.ExecuteNonQuery();
dataGridView1.DataSource = null;
// nhap vao table diem danh
sql = "select* from DH_SV_LHP where MaLop='" + tb.Rows[0]["MaLop"] + "' and MaSV ='" + frm.txtMaSV.Text + "'";
SqlDataAdapter da1 = new SqlDataAdapter(sql, connect);
DataTable tb1 = new DataTable();
da1.Fill(tb1);
int days = MaxDate(tb.Rows[0]["MaLop"].ToString(), 2);
if (days > 0)
{
SqlCommand cmd2 = new SqlCommand();
cmd2.CommandType = CommandType.Text;
cmd2.Connection = connect;
sql = "insert into DH_SV_LHP values(@malop,@masv,@ngay,@nghi)";
cmd2.CommandText = sql;
cmd2.Parameters.Add("@malop", SqlDbType.Char).Value = tb.Rows[0]["MaLop"];
cmd2.Parameters.Add("@masv", SqlDbType.Char).Value = frm.txtMaSV.Text;
cmd2.Parameters.Add("@ngay", SqlDbType.Date).Value = DateTime.Now;
cmd2.Parameters.Add("@nghi", SqlDbType.Int).Value = days;
try
{
cmd2.ExecuteNonQuery();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
showListSV();
frm.clear();
frm.txtMaSV.Text = "";
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
// MessageBox.Show("Sinh viên đã tồn tại!");
}
}
if (frm.DialogResult == DialogResult.Cancel)
{
break;
}
} while (true);
connect.Close();
}
else
{
MessageBox.Show("Bạn chưa chọn lớp cần thêm sinh viên!", "Thông báo");
return;
}
}
