private void txtLegajo_KeyPress(object sender, KeyPressEventArgs e)
{
Validar.SoloNumeros(e);
}
private void txtMateriaCarrera_KeyPress(object sender, KeyPressEventArgs e)
{
Validar.SoloLetras(e);
}
private void txtNombre_KeyPress(object sender, KeyPressEventArgs e)
{
Validar.SoloLetras(e);
}