public void insert(ClassDTO value)
{
string cmd = "INSERT INTO LOP VALUES (@ClassID, @ClassName, @StaffID)";
SqlCmd = new SqlCommand(cmd, SqlCon);
SqlParameter ClassID = new SqlParameter("@ClassID", SqlDbType.VarChar, 20, "MALOP");
ClassID.IsNullable = false;
ClassID.Direction = ParameterDirection.Input;
ClassID.Value = value.ClassID;
SqlCmd.Parameters.Add(ClassID);
SqlParameter ClassName = new SqlParameter("@ClassName", SqlDbType.NVarChar, 100, "TENLOP");
ClassName.IsNullable = false;
ClassName.Direction = ParameterDirection.Input;
ClassName.Value = value.ClassName;
SqlCmd.Parameters.Add(ClassName);
SqlParameter StaffID = new SqlParameter("@StaffID", SqlDbType.VarChar, 20, "MANV");
StaffID.IsNullable = false;
StaffID.Direction = ParameterDirection.Input;
StaffID.Value = value.StaffID;
SqlCmd.Parameters.Add(StaffID);
this.executeNonQuery();
}
public override object convertOneRowIntoADTO(DataTable dt, int i, int type = 0)
{
ClassDTO obj = new ClassDTO();
obj.ClassID = dt.Rows[i]["MALOP"].ToString();
obj.ClassName = dt.Rows[i]["TENLOP"].ToString();
obj.StaffID = dt.Rows[i]["MANV"].ToString();
return obj;
}
public ClassDTO[] selectAll()
{
string cmd = "SELECT * FROM LOP";
SqlCmd = new SqlCommand(cmd, SqlCon);
ArrayList list = this.executeQueryArrayList(0);
int n = list.Count;
ClassDTO[] result = new ClassDTO[n];
for (int i = 0; i < n; i++)
result[i] = (ClassDTO)list[i];
return result;
}
public void updateClass(ClassDTO value)
{
classdao.update(value);
}
public void insertClass(ClassDTO value)
{
classdao.insert(value);
}
private void button_Commit1_Click(object sender, EventArgs e)
{
ClassDTO classdto = new ClassDTO();
classdto.ClassID = textBox_ClassID1.Text;
classdto.ClassName = textBox_ClassName1.Text;
classdto.StaffID = textBox_StaffID1.Text;
try
{
if (flag_class == 1)
{
classbll.insertClass(classdto);
}
else if (flag_class == 2)
{
classbll.updateClass(classdto);
}
loadClass();
flag_class = 0;
textBox_ClassID1.Enabled = false;
textBox_ClassName1.Enabled = false;
textBox_StaffID1.Enabled = false;
textBox_ClassID1.Text = "";
textBox_ClassName1.Text = "";
textBox_StaffID1.Text = "";
}
catch (System.Exception ex)
{
MessageBox.Show(ex.Message, "Lỗi", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
public ClassDTO[] selectByStaff(string id)
{
string cmd = "SELECT* FROM LOP WHERE MANV = @StaffID";
SqlCmd = new SqlCommand(cmd, SqlCon);
SqlParameter staffid = new SqlParameter("@StaffID", SqlDbType.VarChar, 20, "MANV");
staffid.IsNullable = false;
staffid.Direction = ParameterDirection.Input;
staffid.Value = id;
SqlCmd.Parameters.Add(staffid);
ArrayList list = this.executeQueryArrayList(0);
int n = list.Count;
ClassDTO[] result = new ClassDTO[n];
for (int i = 0; i < n; i++)
result[i] = (ClassDTO)list[i];
return result;
}
public void update(ClassDTO value)
{
string cmd = "UPDATE LOP SET TENLOP = @ClassName, MANV = @StaffID WHERE MALOP = @ClassID";
SqlCmd = new SqlCommand(cmd, SqlCon);
SqlParameter ClassID = new SqlParameter("@ClassID", SqlDbType.VarChar, 20, "MALOP");
ClassID.IsNullable = false;
ClassID.Direction = ParameterDirection.Input;
ClassID.Value = value.ClassID;
SqlCmd.Parameters.Add(ClassID);
SqlParameter ClassName = new SqlParameter("@ClassName", SqlDbType.NVarChar, 100, "TENLOP");
ClassName.IsNullable = false;
ClassName.Direction = ParameterDirection.Input;
ClassName.Value = value.ClassName;
SqlCmd.Parameters.Add(ClassName);
SqlParameter StaffID = new SqlParameter("@StaffID", SqlDbType.VarChar, 20, "MANV");
StaffID.IsNullable = false;
StaffID.Direction = ParameterDirection.Input;
StaffID.Value = value.StaffID;
SqlCmd.Parameters.Add(StaffID);
this.executeNonQuery();
}
