Open

191         public int CheckLogin(string name, string pass)
192         {
193             SqlConnection con = da.GetConnect();
194             SqlCommand cmd = new SqlCommand("select *from Users Where Username='"+name+"' and Password='"+pass+"'",con);
195             con.Open();
196             SqlDataReader dr = cmd.ExecuteReader();
197             if (dr.Read())
198             {
199                 if (dr[2].ToString() == "admin")
200                 {
201                     return 1;
202                 }
203                 else
204                 {
205                     return 2;
206                 }
207             }
208             else
209             {
210                 return -1;
211             }
212         }

213         public string TinhDiemTB(string MaSV, string MaHK)
214         {
215             SqlConnection con = da.GetConnect();
216             con.Open();
217             //view tc
218             string sql1 = " select 'sotinchi'=sum(SoTC) " +
219                                " from KetQua kq,HocPhan hp,NhomHocPhan nhp,KeHoachGiangDay khgd " +
220                                " where kq.MaNhomHP=nhp.MaNhomHP and nhp.MaHP=hp.MaHP and khgd.MaKHGD=nhp.MaKHGD and MaSV='"+MaSV+"' and MaHK='"+MaHK+"' " +
221                                " group by MaSV ";
222             SqlCommand cmd1 = new SqlCommand(sql1, con);
223             string tc = cmd1.ExecuteScalar().ToString();
224             // view diem10
225             string sql2 = " select 'cuoiky'=sum(DiemTk10*SoTC) " +
226                                " from KetQua kq,NhomHocPhan nhp,HocPhan hp,KeHoachGiangDay khdt " +
227                                " where kq.MaNhomHP=nhp.MaNhomHP and nhp.MaHP=hp.MaHP and khdt.MaKHGD=nhp.MaKHGD and MaSV='"+MaSV+"' and MaHK='"+MaHK+"' " +
228                                " group by MaSV ";
229             SqlCommand cmd2 = new SqlCommand(sql2, con);
230             string diem10 = cmd2.ExecuteScalar().ToString();
231             //view diem4
232             string sql3 = " select 'cuoiky'=sum(DiemTk4*SoTC) " +
233                                " from KetQua kq,NhomHocPhan nhp,HocPhan hp,KeHoachGiangDay khdt " +
234                                " where kq.MaNhomHP=nhp.MaNhomHP and nhp.MaHP=hp.MaHP and khdt.MaKHGD=nhp.MaKHGD and MaSV='"+MaSV+"' and MaHK='"+MaHK+"' " +
235                                " group by MaSV ";
236             SqlCommand cmd3 = new SqlCommand(sql3, con);
237             string diem4 = cmd3.ExecuteScalar().ToString();
238
239
240             string ketqua="";
241             ketqua = Convert.ToDouble(diem10) / Convert.ToDouble(tc) + "," + Convert.ToDouble(diem4) / Convert.ToDouble(tc) ;
242             return ketqua;
243         }

244         public string TinhDiemTB(string MaSV)
245         {
246             SqlConnection con = da.GetConnect();
247             con.Open();
248             //view tc
249             string sql1 = " select 'sotinchi'=sum(SoTC) " +
250                                " from KetQua kq,HocPhan hp,NhomHocPhan nhp,KeHoachGiangDay khgd " +
251                                " where kq.MaNhomHP=nhp.MaNhomHP and nhp.MaHP=hp.MaHP and khgd.MaKHGD=nhp.MaKHGD and MaSV='" + MaSV + "'" +
252                                " group by MaSV ";
253             SqlCommand cmd1 = new SqlCommand(sql1, con);
254             string tc = cmd1.ExecuteScalar().ToString();
255             // view diem10
256             string sql2 = " select 'cuoiky'=sum(DiemTk10*SoTC) " +
257                                " from KetQua kq,NhomHocPhan nhp,HocPhan hp,KeHoachGiangDay khdt " +
258                                " where kq.MaNhomHP=nhp.MaNhomHP and nhp.MaHP=hp.MaHP and khdt.MaKHGD=nhp.MaKHGD and MaSV='" + MaSV + "'" +
259                                " group by MaSV ";
260             SqlCommand cmd2 = new SqlCommand(sql2, con);
261             string diem10 = cmd2.ExecuteScalar().ToString();
262             //view diem4
263             string sql3 = " select 'cuoiky'=sum(DiemTk4*SoTC) " +
264                                " from KetQua kq,NhomHocPhan nhp,HocPhan hp,KeHoachGiangDay khdt " +
265                                " where kq.MaNhomHP=nhp.MaNhomHP and nhp.MaHP=hp.MaHP and khdt.MaKHGD=nhp.MaKHGD and MaSV='" + MaSV + "'" +
266                                " group by MaSV ";
267             SqlCommand cmd3 = new SqlCommand(sql3, con);
268             string diem4 = cmd3.ExecuteScalar().ToString();
269
270
271             string ketqua = "";
272             ketqua = Convert.ToDouble(diem10) / Convert.ToDouble(tc) + "," + Convert.ToDouble(diem4) / Convert.ToDouble(tc);
273             return ketqua;
274         }

275         public bool Proc_Insert(string proc,string test)
276         {
277             SqlConnection con = da.GetConnect();
278             con.Open();
279             SqlCommand cmd = new SqlCommand(proc, con);
280             cmd.CommandType = CommandType.StoredProcedure;
281             cmd.Parameters.Add("@test", SqlDbType.NVarChar).Value = test;
282             SqlDataReader dr = cmd.ExecuteReader();
283             if (dr.Read())
284             {
285                 return false;
286             }
287             return true;
288         }

25         public void ExcuteNonQuery(string sql)
26         {
27             SqlConnection con = GetConnect();
28             con.Open();
29             SqlCommand cmd = new SqlCommand(sql, con);
30             cmd.ExecuteNonQuery();
31             cmd.Dispose();
32             con.Close();
33         }

27         public void loadCmb()
28         {
29             SqlConnection con = dal.GetConnect();
30             con.Open();
31             SqlCommand cm = new SqlCommand("Select *from Lop", con);
32             SqlDataAdapter da = new SqlDataAdapter(cm);
33             DataTable dt = new DataTable();
34             da.Fill(dt);
35             this.cmbMaLop.DisplayMember = "MaLop";
36             this.cmbMaLop.ValueMember = "MaLop";
37             this.cmbMaLop.DataSource = dt;
38         }

40         private void btnLoc_Click(object sender, EventArgs e)
41         {
42             SqlConnection con = dal.GetConnect();
43             con.Open();
44             string sql = "select *from SinhVien where MaLop=@MaLop";
45             SqlDataAdapter da = new SqlDataAdapter(sql, con);
46             da.SelectCommand.Parameters.AddWithValue("@MaLop", cmbMaLop.SelectedValue.ToString());
47             DataTable dt = new DataTable();
48             da.Fill(dt);
49             crBaoCao cr = new crBaoCao();
50             ConnectionInfo crConnectionInfo = new ConnectionInfo();
51             crConnectionInfo.ServerName = "Ty-PC";
52             crConnectionInfo.DatabaseName = "CNPM_1";
53             crConnectionInfo.UserID = "sa";
54             crConnectionInfo.Password = "04091990";
55             TableLogOnInfos crTableLogonInfos = new TableLogOnInfos();
56             foreach (CrystalDecisions.CrystalReports.Engine.Table table in cr.Database.Tables)
57             {
58                 TableLogOnInfo crTableLogonInfo = new TableLogOnInfo();
59                 crTableLogonInfo.TableName = table.Name;
60                 crTableLogonInfo.ConnectionInfo = crConnectionInfo;
61                 crTableLogonInfos.Add(crTableLogonInfo);
62                 table.ApplyLogOnInfo(crTableLogonInfo);
63
64             }
65             crvHocKyHocPhan.LogOnInfo = crTableLogonInfos;
66             cr.SetDataSource(dt);
67             ParameterValues a = new ParameterValues();
68             ParameterDiscreteValue b = new ParameterDiscreteValue();
69             b.Value = cmbMaLop.SelectedValue.ToString();
70             a.Add(b);
71             cr.DataDefinition.ParameterFields["txtMaLop"].ApplyCurrentValues(a);
72             crvHocKyHocPhan.ReportSource = cr;
73             crvHocKyHocPhan.Show();
74         }

29         public void loadCmbMaNhomHP(string MaHK)
30         {
31             SqlConnection con = dal.GetConnect();
32             con.Open();
33             SqlCommand cm = new SqlCommand("Select MaNhomHP from NhomHocPhan,KeHoachGiangDay where NhomHocPhan.MaKHGD=KeHoachGiangDay.MaKHGD and KeHoachGiangDay.MaHK='"+MaHK+"'", con);
34             SqlDataAdapter da = new SqlDataAdapter(cm);
35             DataTable dt = new DataTable();
36             da.Fill(dt);
37             this.cmbMaNhomHP.DisplayMember = "MaNhomHP";
38             this.cmbMaNhomHP.ValueMember = "MaNhomHP";
39             this.cmbMaNhomHP.DataSource = dt;
40         }

27         public void loadCmbLop()
28         {
29             SqlConnection con = dal.GetConnect();
30             con.Open();
31             SqlCommand cm = new SqlCommand("Select *from Lop", con);
32             SqlDataAdapter da = new SqlDataAdapter(cm);
33             DataTable dt = new DataTable();
34             da.Fill(dt);
35             this.cmbMa.DisplayMember = "MaLop";
36             this.cmbMa.ValueMember = "MaLop";
37             this.cmbMa.DataSource = dt;
38         }

39         public void loadCmbKhoiLop()
40         {
41             SqlConnection con = dal.GetConnect();
42             con.Open();
43             SqlCommand cm = new SqlCommand("Select *from KhoiLop", con);
44             SqlDataAdapter da = new SqlDataAdapter(cm);
45             DataTable dt = new DataTable();
46             da.Fill(dt);
47             this.cmbMa.DisplayMember = "MaKhoiLop";
48             this.cmbMa.ValueMember = "MaKhoiLop";
49             this.cmbMa.DataSource = dt;
50         }