public string Grabar(clsObjeto sender)
{
string res = string.Empty;
FileStream fs;
BinaryWriter bw;
Type tipo = null;
PropertyInfo[] propiedades = null;
tipo = sender.GetType();
propiedades = tipo.GetProperties();
if (!File.Exists(nombreCompleto))
{
fs = new FileStream(nombreCompleto, FileMode.Create);
}
else
{
fs = new FileStream(nombreCompleto, FileMode.Append);
}
bw = new BinaryWriter(fs, Encoding.UTF8);
try
{
foreach (PropertyInfo prop in propiedades)
{
object o = prop.GetValue(sender, null);
tipo = prop.PropertyType;
string nombre = prop.Name;
switch (tipo.ToString())
{
case "System.String":
bw.Write(o.ToString());
break;
case "System.Int32":
bw.Write(int.Parse(o.ToString()));
break;
case "System.DateTime":
bw.Write(o.ToString());
break;
case "System.Decimal":
bw.Write(decimal.Parse(o.ToString()));
break;
case "System.Double":
bw.Write(double.Parse(o.ToString()));
break;
case "System.Boolean":
bw.Write(Boolean.Parse(o.ToString()));
break;
case "System.char":
bw.Write(char.Parse(o.ToString()));
break;
}
}
}
catch (Exception ex)
{
res = ex.Message.ToString();
}
bw.Close();
fs.Close();
fs.Dispose();
return(res);
}
public ArrayList Leer(clsObjeto sender)
{
ArrayList Lista = new ArrayList();
FileStream fs = new FileStream(nombreCompleto, FileMode.OpenOrCreate, FileAccess.Read);
BinaryReader br = new BinaryReader(fs);
Type tipo = null;
PropertyInfo[] propiedades = null;
tipo = sender.GetType();
propiedades = tipo.GetProperties();
try
{
while (br.PeekChar() != -1)
{
clsObjeto obj = new clsObjeto();
foreach (PropertyInfo prop in propiedades)
{
object o = prop.GetValue(sender, null);
tipo = prop.PropertyType;
string nombre = prop.Name;
switch (tipo.ToString())
{
case "System.String":
prop.SetValue(sender, br.ReadString(), null);
break;
case "System.Int32":
prop.SetValue(sender, br.ReadInt32(), null);
break;
case "System.DateTime":
prop.SetValue(sender, DateTime.Parse(br.ReadString()), null);
break;
case "System.Decimal":
prop.SetValue(sender, br.ReadDecimal(), null);
break;
case "System.Double":
prop.SetValue(sender, br.ReadDouble(), null);
break;
case "System.Boolean":
prop.SetValue(sender, br.ReadBoolean(), null);
break;
case "System.char":
prop.SetValue(sender, br.ReadChar(), null);
break;
}
}
obj = sender.Copiar();
Lista.Add(obj);
}
}
catch (Exception)
{
Lista.Add(null);
}
br.Close();
fs.Close();
fs.Dispose();
return(Lista);
}