/// <summary>
/// Almacena la configuracion con los datos que se pasan como parametros.-
/// </summary>
/// <param name="pCnnString">Coneccion</param>
///<param name="pAppend">Agrega nuevo elemento</param>
public bool SaveSetting(CnnString pCnnString)
{
bool isNew = false;
if (_DataBaseConnections.Connections.Any <CnnString>(c => c.Name.Equals(pCnnString.Name, StringComparison.OrdinalIgnoreCase)))
{
//modifico la configuracion .-
CnnString cnn = _DataBaseConnections.Connections.First <CnnString>(c => c.Name.Equals(pCnnString.Name, StringComparison.OrdinalIgnoreCase));
if (cnn.Name != null)
{
cnn.Password = pCnnString.Password;
cnn.DataSource = pCnnString.DataSource;
cnn.User = pCnnString.User;
cnn.WindowsAutentification = pCnnString.WindowsAutentification;
cnn.InitialCatalog = pCnnString.InitialCatalog;
}
isNew = false;
}
else
{
//Almaceno la configuracion .-
_DataBaseConnections.Connections.Add(pCnnString);
isNew = true;
}
_CurrentCnnString = pCnnString;
_DataBaseConnections.Save();
return(isNew);
}
internal void Load()
{
try
{
IsolatedStorageFile userStore = IsolatedStorageFile.GetUserStoreForAssembly();
//Si no hay datos para este usuario
if (userStore.GetFileNames(DATABASE_CONFIG_FILE).Length == 0)
{
//Limpio el diccionario por si contien algo
//_Connections.Clear();
return;
}
//Abro el stream con la informacion serializada del diccionario desde el IsolatedStorage
IsolatedStorageFileStream userStream = new IsolatedStorageFileStream(DATABASE_CONFIG_FILE, FileMode.Open, userStore);
_Connections = DeSerializeDictionary(userStream);
}
catch (FileNotFoundException)//si ocurre algun error construyo una coneccion por defecto
{
CnnString cnn = new CnnString();
cnn.DataSource = "DataSourceEmty";
cnn.Name = "ConnectionName";
cnn.Password = String.Empty;
cnn.User = "******";
cnn.WindowsAutentification = true;
cnn.InitialCatalog = String.Empty;
_Connections.Add(cnn);
Save();
}
}
/// <summary>
///
/// </summary>
/// <returns></returns>
public DataTable GetDataBases()
{
CnnString cnn = GetCnnStringToMaster(_CurrentCnnString);
using (SqlConnection wCnn = new SqlConnection(cnn.ToString()))
using (SqlCommand wCmd = new SqlCommand())
{
try
{
wCnn.Open();
wCmd.Connection = wCnn;
wCmd.CommandType = CommandType.StoredProcedure;
wCmd.CommandText = "sp_databases";
DataSet wDs = new DataSet();
SqlDataAdapter wDa = new SqlDataAdapter(wCmd);
wDa.Fill(wDs);
wCnn.Close();
return(wDs.Tables[0]);
}
catch (SqlException ex)
{
throw ex;
}
}
}
/// <summary>
/// Permite leer nuevamente el archivo de configuracion donde esta el acceso a la BD para recargar la coneccion.-
/// </summary>
public void InitializeConfig()
{
try
{
_DataBaseConnections.Load();
if (_DataBaseConnections.Connections.Count > 0)
{
_CurrentCnnString = _DataBaseConnections.Connections[0];
}
}
catch (FileNotFoundException)
{
string msg = "No se encuentra el archivo de configuracion de base de datos:";
throw new System.Exception(msg);
}
catch (System.Security.Cryptography.CryptographicException e)
{
_CurrentCnnString.Password = String.Empty;
throw new DataBaseExeption(e, _CurrentCnnString);
}
catch (Exception)
{
string msg = "Verifique que el archivo de configuracion tiene seteado el archivo de conecciones a la base de datos.-";
throw new System.Exception(msg);
}
}
public CnnString CreateConnection()
{
_CurrentCnnString = new CnnString();
_DataBaseConnections.Connections.Add(_CurrentCnnString);
return(_CurrentCnnString);
}
/// <summary>
///
/// </summary>
public Metadata(CnnString cnnString)
: base(String.Empty)
{
_Tables = new Tables();
_StoreProcedures = new StoreProcedures();
_DataBaseServer = new DataBaseServer(true);
_DataBaseServer.CurrentCnnString = cnnString;
}
private static CnnString GetCnnStringToMaster(CnnString pCnnString)
{
CnnString _CnnStringToTest = new CnnString();
_CnnStringToTest.DataSource = pCnnString.DataSource;
_CnnStringToTest.InitialCatalog = "master";
_CnnStringToTest.User = pCnnString.User;
_CnnStringToTest.Password = pCnnString.Password;
_CnnStringToTest.WindowsAutentification = pCnnString.WindowsAutentification;
return(_CnnStringToTest);
}
/// <summary>
///
/// </summary>
/// <param name="pServerName"></param>
/// <param name="pUserName"></param>
/// <param name="pPassword"></param>
/// <param name="pWindowsAutChecked"></param>
/// <returns></returns>
private static CnnString GetCnnStringToMaster(string pServerName, string pUserName, string pPassword, bool pWindowsAutChecked)
{
CnnString _CnnStringToMapper = new CnnString();
_CnnStringToMapper.DataSource = pServerName;
_CnnStringToMapper.InitialCatalog = "master";
_CnnStringToMapper.User = pUserName;
_CnnStringToMapper.Password = pPassword;
_CnnStringToMapper.WindowsAutentification = pWindowsAutChecked;
return(_CnnStringToMapper);
}
/// <summary>
///
/// </summary>
/// <param name="pCnnString"></param>
/// <returns></returns>
public static bool TestConnection(CnnString pCnnString)
{
using (SqlConnection wCnn = new SqlConnection(pCnnString.ToString()))
{
try
{
wCnn.Open();
wCnn.Close();
return(true);
}
catch (Exception ex)
{
throw new DataBaseExeption(ex, pCnnString);
}
}
}
/// <summary>
///
/// </summary>
/// <param name="pException"></param>
/// <param name="pCnnString"></param>
public DataBaseExeption(Exception pException, CnnString pCnnString)
{
_CnnString = pCnnString;
if (pException.GetType() == typeof(System.Security.Cryptography.CryptographicException))
{
_Msg = "La password encriptada en el archivo de configuracion fue violada. "
+ Environment.NewLine + "Reescriba su clave y guarde su configuracion";
}
if (pException.GetType() == typeof(SqlException))
{
System.Data.SqlClient.SqlException ex = (System.Data.SqlClient.SqlException)pException;
//ex.Number == 18456 Login fail
_Msg = pException.Message + Environment.NewLine + "Vuelva a ingresar la informacion de conección";
}
if (pException.GetType() == typeof(System.IO.FileNotFoundException))
{
_Msg = pException.Message;
}
}
/// <summary>
///
/// </summary>
/// <param name="pServerName"></param>
/// <param name="pUserName"></param>
/// <param name="pPassword"></param>
/// <param name="pWindowsAutChecked"></param>
/// <returns></returns>
public static bool TestConnection(string pServerName, string pUserName, string pPassword, bool pWindowsAutChecked)
{
CnnString cnn = GetCnnStringToMaster(pServerName, pUserName, pPassword, pWindowsAutChecked);
return(TestConnection(cnn));
}
