protected override object ExecuteScalarCommand(ExecuteScalarCmdDelegate proc)
{
try
{
return(proc.Invoke());
}
catch (Npgsql.NpgsqlException e)
{
if (MessagePrinter != null)
{
MessagePrinter.PrintMessage(e.Message, ErrorsManager.Messages.DBErrorMsg, 1, 1);
}
_last_error = e.ErrorCode;
}
return(null);
}
/// <summary>
/// Обертка для выполнения DbCommand.ExecuteScalar
/// </summary>
/// <param name="proc"></param>
protected override object ExecuteScalarCommand(ExecuteScalarCmdDelegate proc)
{
try
{
_last_error = 0;
return(proc.Invoke());
}
catch (SqlException e)
{
string msg = GetErrorMessage(e);
if (MessagePrinter != null)
{
MessagePrinter.PrintMessage(msg, ErrorsManager.Messages.DBErrorMsg, 1, 1);
}
}
return(null);
}
/// <summary>
/// Обертка для выполнения DbCommand.ExecuteScalar
/// </summary>
/// <param name="proc"></param>
protected override object ExecuteScalarCommand(ExecuteScalarCmdDelegate proc)
{
try
{
_last_error = 0;
return proc.Invoke();
}
catch (MySqlException e)
{
if (MessagePrinter != null)
MessagePrinter.PrintMessage(e.Message, ErrorsManager.Messages.DBErrorMsg, 1, 1);
_last_error = e.ErrorCode;
}
return null;
}
/// <summary>
/// Обертка для выполнения DbCommand.ExecuteScalar
/// </summary>
/// <param name="proc"></param>
protected override object ExecuteScalarCommand(ExecuteScalarCmdDelegate proc)
{
try
{
_last_error = 0;
return proc.Invoke();
}
catch (SqlException e)
{
string msg = GetErrorMessage(e);
if (MessagePrinter != null)
MessagePrinter.PrintMessage(msg, ErrorsManager.Messages.DBErrorMsg, 1, 1);
}
return null;
}