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|
StringBuilder sqlCommand = new StringBuilder();
sqlCommand.Append("INSERT INTO training (OBSERVATION,pls_01_var_0001,pls_01_var_0002,pls_01_var_0003,pls_01_var_0004,pls_01_var_0005,pls_01_var_0006,pls_01_var_0007,pls_01_var_0008,pls_01_var_0009,pls_01_var_0029,pls_01_var_0010,pls_01_var_0011,pls_01_var_0012,pls_01_var_0013,pls_01_var_0014,pls_01_var_0015,pls_01_var_0016,pls_01_var_0017,pls_01_var_0018,pls_01_var_0019,pls_01_var_0020,pls_01_var_0021,pls_01_var_0022,pls_01_var_0023,pls_01_var_0024,pls_01_var_0025,pls_01_var_0026,pls_01_var_0027,pls_01_var_0028,MODELNAME) VALUES(?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)");
FbParameter[] arParams = new FbParameter[? nombre de param];
arParams[0] = new FbParameter("@Observation", FbDbType.TimeStamp);
arParams[0].Direction = ParameterDirection.Input;
arParams[0].Value = OBSERVATION);
...
int rowsAffected = FBSqlHelper.ExecuteNonQuery(
GetConnectionString(),
sqlCommand.ToString(),
arParams);
public sealed class FBSqlHelper
{
private FBSqlHelper() { }
private static readonly ILog log = LogManager.GetLogger(typeof(FBSqlHelper));
public static String GetParamString(Int32 count)
{
if (count <= 1) { return count < 1 ? "" : "?"; }
return "?," + GetParamString(count - 1);
}
private static void PrepareCommand(
FbCommand command,
FbConnection connection,
FbTransaction transaction,
CommandType commandType,
string commandText,
FbParameter[] commandParameters)
{
if (command == null) throw new ArgumentNullException("command");
if (commandText == null || commandText.Length == 0) throw new ArgumentNullException("commandText");
command.Connection = connection;
command.CommandText = commandText;
command.CommandType = commandType;
if (transaction != null)
{
if (transaction.Connection == null) throw new ArgumentException("The transaction was rollbacked or commited, please provide an open transaction.", "transaction");
command.Transaction = transaction;
}
if (commandParameters != null)
{
AttachParameters(command, commandParameters);
}
return;
}
private static void AttachParameters(FbCommand command, FbParameter[] commandParameters)
{
if (command == null) throw new ArgumentNullException("command");
if (commandParameters != null)
{
foreach (FbParameter p in commandParameters)
{
if (p != null)
{
if ((p.Direction == ParameterDirection.InputOutput ||
p.Direction == ParameterDirection.Input) &&
(p.Value == null))
{
p.Value = DBNull.Value;
}
command.Parameters.Add(p);
}
}
}
}
public static bool ExecuteBatchScript(
string connectionString,
string pathToScriptFile)
{
FbScript script = new FbScript(pathToScriptFile);
if (script.Parse() > 0)
{
using (FbConnection connection = new FbConnection(connectionString))
{
connection.Open();
try
{
FbBatchExecution batch = new FbBatchExecution(connection, script);
batch.Execute(true);
}
catch (FbException ex)
{
log.Error(ex);
throw new Exception(pathToScriptFile, ex);
}
finally
{
connection.Close();
}
}
}
return true;
}
public static int ExecuteNonQuery(string connectionString, string commandText, params FbParameter[] commandParameters)
{
return ExecuteNonQuery(connectionString, CommandType.Text, commandText, commandParameters);
}
public static int ExecuteNonQuery(string connectionString, CommandType commandType, string commandText, params FbParameter[] commandParameters)
{
if (connectionString == null || connectionString.Length == 0) { throw new ArgumentNullException("connectionString"); }
using (FbConnection connection = new FbConnection(connectionString))
{
connection.Open();
using (FbTransaction transaction = connection.BeginTransaction())
{
using (FbCommand cmd = new FbCommand())
{
PrepareCommand(cmd, connection, transaction, commandType, commandText, commandParameters);
int rowsAffected = cmd.ExecuteNonQuery();
transaction.Commit();
return rowsAffected;
}
}
}
}
public static int ExecuteNonQuery(FbTransaction transaction, CommandType commandType, string commandText, params FbParameter[] commandParameters)
{
if (transaction == null) throw new ArgumentNullException("transaction");
FbCommand cmd = new FbCommand();
PrepareCommand(cmd, transaction.Connection, transaction, commandType, commandText, commandParameters);
int retval = cmd.ExecuteNonQuery();
return retval;
}
public static FbDataReader ExecuteReader(string connectionString, string commandText, params FbParameter[] commandParameters)
{
return ExecuteReader(connectionString, CommandType.Text, commandText, commandParameters);
}
public static FbDataReader ExecuteReader(string connectionString, CommandType commandType, string commandText, params FbParameter[] commandParameters)
{
if (connectionString == null || connectionString.Length == 0) throw new ArgumentNullException("connectionString");
FbConnection connection = null;
try
{
connection = new FbConnection(connectionString);
connection.Open();
FbCommand command = new FbCommand();
PrepareCommand(
command,
connection,
null,
commandType,
commandText,
commandParameters);
return command.ExecuteReader(CommandBehavior.CloseConnection);
}
catch
{
if ((connection != null) && (connection.State == ConnectionState.Open)) { connection.Close(); }
throw;
}
}
public static object ExecuteScalar(string connectionString, string commandText, params FbParameter[] commandParameters)
{
return ExecuteScalar(connectionString, CommandType.Text, commandText, commandParameters);
}
public static object ExecuteScalar(string connectionString, CommandType commandType, string commandText, params FbParameter[] commandParameters)
{
if (connectionString == null || connectionString.Length == 0) throw new ArgumentNullException("connectionString");
using (FbConnection connection = new FbConnection(connectionString))
{
connection.Open();
FbTransaction transaction = null;
bool useTransaction = (commandText.Contains("EXECUTE") || commandText.Contains("INSERT"));
if (useTransaction) { transaction = connection.BeginTransaction(); }
using (FbCommand command = new FbCommand())
{
PrepareCommand(command, connection, transaction, commandType, commandText, commandParameters);
object result = command.ExecuteScalar();
if (transaction != null)
{
transaction.Commit();
transaction.Dispose();
transaction = null;
}
if (connection.State == ConnectionState.Open)
connection.Close();
return result;
}
}
}
public static DataSet ExecuteDataset(string connectionString, string commandText, params FbParameter[] commandParameters)
{
return ExecuteDataset(connectionString, CommandType.Text, commandText, commandParameters);
}
public static DataSet ExecuteDataset(string connectionString, CommandType commandType, string commandText, params FbParameter[] commandParameters)
{
if (connectionString == null || connectionString.Length == 0) throw new ArgumentNullException("connectionString");
using (FbConnection connection = new FbConnection(connectionString))
{
connection.Open();
using (FbCommand command = new FbCommand())
{
PrepareCommand(command, connection, (FbTransaction)null, commandType, commandText, commandParameters);
using (FbDataAdapter adapter = new FbDataAdapter(command))
{
DataSet dataSet = new DataSet();
adapter.Fill(dataSet);
return dataSet;
}
}
}
}
} |
erreur après le lancement de fbdataadapter.update
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Envoyé par pbatty1
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