internal byte[] getTemplateFromKey(int primaryKey)
{
OleDbConnection myDbConnection = new OleDbConnection(connectionString);
byte[] decryptedTemplate = null;
try
{
string queryString;
byte[] encryptedTemplate = null;
cryptography decrypt = new cryptography();
queryString = String.Format("SELECT template from myTable where PrimaryKey = {0}", primaryKey);
OleDbCommand command = new OleDbCommand(queryString, myDbConnection);
myDbConnection.Open();
OleDbDataReader reader = command.ExecuteReader();
while (reader.Read())
{
encryptedTemplate = (byte[])reader.GetValue(0);
decryptedTemplate = decrypt.decryptBytes(encryptedTemplate);
}
reader.Close();
return(decryptedTemplate);
}
catch (OleDbException ex)
{
DisplayOleDbErrorCollection(ex);
return(decryptedTemplate);
}
finally
{
myDbConnection.Close();
}
}
internal Bitmap getImageFromId(string userId)
{
Bitmap dbaseImage = null;
OleDbConnection myDbConnection = new OleDbConnection(connectionString);
try
{
string queryString;
byte[] encryptedImageArray = null;
byte[] decryptedImageArray = null;
cryptography decrypt = new cryptography();
queryString = String.Format("SELECT picture from myTable where userId = '{0}'", decrypt.encryptString(userId));
OleDbCommand command = new OleDbCommand(queryString, myDbConnection);
myDbConnection.Open();
OleDbDataReader reader = command.ExecuteReader();
while (reader.Read())
{
encryptedImageArray = (byte[])reader.GetValue(0);
decryptedImageArray = decrypt.decryptBytes(encryptedImageArray);
MemoryStream stream = new MemoryStream(decryptedImageArray);
dbaseImage = (Bitmap)Image.FromStream(stream);
}
reader.Close();
return(dbaseImage);
}
catch (OleDbException ex)
{
DisplayOleDbErrorCollection(ex);
return(dbaseImage);
}
finally
{
myDbConnection.Close();
}
}
internal byte[] getTemplateFromId(string userId)
{
cryptography deCrypt = new cryptography();
OleDbConnection myDbConnection = new OleDbConnection(connectionString);
byte[] encryptedTemplateArray = null;
byte[] templateArray = null;
string queryString = String.Format("SELECT template from myTable where userId = '{0}'", deCrypt.encryptString(userId));
OleDbCommand command = new OleDbCommand(queryString, myDbConnection);
try
{
myDbConnection.Open();
OleDbDataReader reader = command.ExecuteReader();
if (reader.HasRows)
{
while (reader.Read())
{
encryptedTemplateArray = (byte[])reader.GetValue(0);
templateArray = deCrypt.decryptBytes(encryptedTemplateArray);
}
}
reader.Close();
return(templateArray);
}
catch (OleDbException ex)
{
DisplayOleDbErrorCollection(ex);
return(templateArray);
}
finally
{
myDbConnection.Close();
}
}
