private void InisiarSesion()
{
DataBaseControl DBControl = new DataBaseControl(DataBaseControl.cPath, "ProjectDataBase.mdf");
string[] parameters = { "@id", "@pass" };
string[] elements = { TxtUserName.Text, TxtPassword.Text };
TxtUserName.Clear();
TxtPassword.Clear();
List <string> admins = new List <string> {
"Admin", "Develop"
};
if (DBControl.Buscar("select * from Users where [UserName]=@id and [KeyWord]=@pass", parameters, elements))
{
string cat = DBControl.BuscarElemento("select [Category] from Users where [UserName]=@id and [KeyWord]=@pass", parameters, elements);
MainPageForm mainPage = new MainPageForm(cat);
this.Hide();
mainPage.ShowDialog();
this.Show();
TxtUserName.Focus();
}
else
{
MessageBox.Show("Usuario o contraseña inválidos");
TxtUserName.Focus();
}
}
private void VerCalificacionesForm_Load(object sender, EventArgs e)
{
DataBaseControl DBControl = new DataBaseControl(DataBaseControl.cPath, "ProjectDataBase.mdf");
BindingSource CalSource = new BindingSource();
CalSource.DataSource = DBControl.ObtenerTabla("Select * from Calificaciones");
DGVCalificacion.DataSource = CalSource;
DGVCalificacion.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill;
DGVCalificacion.ReadOnly = true;
}
private void VerMateriasForm_Load(object sender, EventArgs e)
{
DataBaseControl DBControl = new DataBaseControl(DataBaseControl.cPath, "ProjectDataBase.mdf");
BindingSource MatSource = new BindingSource();
MatSource.DataSource = DBControl.ObtenerTabla("Select * from Materias");
DGVMaterias.DataSource = MatSource;
DGVMaterias.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill;
DGVMaterias.ReadOnly = true;
}
private void VerAlumnosForm_Load_1(object sender, EventArgs e)
{
DataBaseControl DBControl = new DataBaseControl(DataBaseControl.cPath, "ProjectDataBase.mdf");
BindingSource AlumnSource = new BindingSource();
AlumnSource.DataSource = DBControl.ObtenerTabla("Select * from Alumnos");
DGVAlumno.DataSource = AlumnSource;
DGVAlumno.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill;
DGVAlumno.ReadOnly = true;
}
private void TxtBuscar_TextChanged(object sender, EventArgs e)
{
DataBaseControl DBControl = new DataBaseControl(DataBaseControl.cPath, "ProjectDataBase.mdf");
BindingSource AlmSource = new BindingSource();
string[] parameters = { "@word" };
string[] value = { TxtBuscar.Text };
AlmSource.DataSource = DBControl.ObtenerTabla("Select * from Alumnos where [Nombre] like '%'+@word+'%' or [ID] like '%'+@word+'%' ", parameters, value);
DGVAlumnos.DataSource = AlmSource;
DGVAlumnos.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill;
DGVAlumnos.ReadOnly = true;
}
private void MaterialLayout_Load(object sender, EventArgs e)
{
DataBaseControl DBControl = new DataBaseControl(DataBaseControl.cPath, "ProjectDataBase.mdf");
string[] para = { "@id" };
string[] val = { System.Security.Principal.WindowsIdentity.GetCurrent().Name.ToString() };
if (cat != "Adm" || cat != "Develop")
{
if (DBControl.Buscar("select * from Activos where [id]=@id", para, val))
{
int activos = int.Parse(DBControl.BuscarElemento("select [registros] from [Activos] where [ID] = @id", para, val));
if (activos > 1)
{
this.Size = new Size(336, 313);
LbCat.Hide();
CBCat.Hide();
cat = "User";
}
else
{
this.Size = new Size(497, 313);
LbCat.Show();
CBCat.Show();
cat = "Adm";
}
}
else
{
string[] nums = { System.Security.Principal.WindowsIdentity.GetCurrent().Name.ToString(), "0" };
para = new string[] { "@id", "@nums" };
if (DBControl.Insertar("Insert into [Activos] values(@id,@nums)", para, nums))
{
this.Size = new Size(497, 313);
LbCat.Show();
CBCat.Show();
cat = "Adm";
}
else
{
MessageBox.Show("Algún error inesperado ha ocurrido, por favor, intente de nuevo");
this.Close();
}
}
}
CBCat.SelectedValue = cat;
}
private void BtEliminar_Click_1(object sender, EventArgs e)
{
try
{
DataBaseControl DBControl = new DataBaseControl(DataBaseControl.cPath, "ProjectDataBase.mdf");
string[] para = { "@user" };
string[] ele = { TxtUserName.Text };
if (DBControl.Eliminar("Delete from [Users] where [Username] = @user", para, ele))
{
MessageBox.Show("Usuario eliminado con exito");
}
else
{
MessageBox.Show("Error al eliminar usuario");
}
DBControl.Close();
}
catch (Exception) { MessageBox.Show("Por favor, verificar los datos"); }
}
private void BtGuardar_Click(object sender, EventArgs e)
{
try
{
DataBaseControl DBcontrol = new DataBaseControl(DataBaseControl.cPath, "ProjectDataBase.mdf");
int id = AlumnosCS.GenerarID();
string[] Element = { "@id" };
string[] values = { id.ToString() };
string tempID = DBcontrol.BuscarElemento("Select [ID] from Alumnos where [ID] = @id", Element, values);
while (tempID != "No encontrado")
{
id = AlumnosCS.GenerarID();
values = new string[] { id.ToString() };
tempID = DBcontrol.BuscarElemento("Select [ID] from Alumnos where [ID] = @id", Element, values);
}
MemoryStream ms = new System.IO.MemoryStream();
PBImage.Image.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);
AlumnosCS estudiante = new AlumnosCS(TxtNombre.Text, TxtApellido.Text, CBEstado.SelectedItem.ToString(), id, TxtCarrera.Text, TxtIdentificadorNacial.Text, DateTime.Parse(MTBFecha.Text).ToShortDateString());
string[] Elements = new string[] { "@id", "@nombre", "@apellido", "@fecha", "@identifacor", "@estado", "@carrera", "@image" };
string[] Values = new string[] { estudiante.ID.ToString(), estudiante.Nombre, estudiante.Apellido, estudiante.FechaNacimiento.ToString(), estudiante.IdentificadorPersonal, estudiante.Estado, estudiante.Carrera };
if (DBcontrol.Insertar("Insert into Alumnos values(@id,@nombre,@apellido,@fecha,@identifacor,@estado,@carrera,@image,0.0)", Elements, Values, ms))
{
Console.WriteLine(MessageBox.Show(string.Format("{0} fue agregado", estudiante.Nombre)));
}
else
{
Console.WriteLine(MessageBox.Show(string.Format("{0} no agregado", estudiante.Nombre)));
}
TxtNombre.Clear();
TxtApellido.Clear();
CBEstado.SelectedItem = null;
id = 0;
TxtCarrera.Clear();
TxtIdentificadorNacial.Clear();
MTBFecha.Clear();
Image foto = Image.FromFile("intec.png");
PBImage.Image = foto;
Verificar();
}
catch (Exception ex) { MessageBox.Show(ex.Message); }
}
private void TxtUserName_TextChanged(object sender, EventArgs e)
{
if (TxtUserName.Text.Length > 0)
{
DataBaseControl DBControl = new DataBaseControl(DataBaseControl.cPath, "ProjectDataBase.mdf");
LVUsuarios.Clear();
string[] _parameters = { "@userN" };
string[] _element = { TxtUserName.Text };
string[] _returned = { "UserName" };
foreach (string[] item in DBControl.Buscar("Select [UserName] from [Users] where [Username] like '%' + @userN + '%'", _parameters, _element, 1))
{
foreach (var it in item)
{
LVUsuarios.Items.Add(new ListViewItem(it));
}
}
DBControl.Close();
}
}
private void BtRegistrar_Click(object sender, EventArgs e)
{
try
{
if (TxtPass.Text == TxtUserName.Text)
{
MessageBox.Show("El usuario y al contraseña no pueden ser iguales");
TxtUserName.Clear();
TxtPass.Clear();
return;
}
DataBaseControl DBControl = new DataBaseControl(DataBaseControl.cPath, "ProjectDataBase.mdf");
string[] parameters = { "@userName", "@pass", "cat" };
string[] elements = { TxtUserName.Text, TxtPass.Text, CBCat.SelectedItem.ToString() };
if (DBControl.Insertar("insert into Users values(@userName,@pass,@cat)", parameters, elements))
{
string[] para = { "@id" };
string[] val = { System.Security.Principal.WindowsIdentity.GetCurrent().Name.ToString() };
int activos = int.Parse(DBControl.BuscarElemento("select [registros] from Activos where [ID] = @id", para, val));
para = new string[] { "@id", "@nums" };
string[] nums = { System.Security.Principal.WindowsIdentity.GetCurrent().Name.ToString(), (++activos).ToString(), };
DBControl.Insertar("update [Activos] set [registros]=@nums where [id]=@id", para, nums);
MessageBox.Show("Usuario agregado");
this.Close();
}
else
{
MessageBox.Show("El usuario no pudo ser agregado");
}
DBControl.Close();
}
catch (Exception)
{
MessageBox.Show("Por favor, verifique los datos");
}
}
