public SybaseCommand (string commandText, SybaseConnection connection, SybaseTransaction transaction)
{
this.commandText = commandText;
this.connection = connection;
this.transaction = transaction;
this.commandType = CommandType.Text;
this.updatedRowSource = UpdateRowSource.Both;
this.designTimeVisible = false;
this.commandTimeout = 30;
parameters = new SybaseParameterCollection (this);
}
public SybaseTransaction BeginTransaction (IsolationLevel iso, string transactionName)
{
if (State == ConnectionState.Closed)
throw new InvalidOperationException ("The connection is not open.");
if (Transaction != null)
throw new InvalidOperationException ("SybaseConnection does not support parallel transactions.");
string isolevel = String.Empty;
switch (iso) {
case IsolationLevel.Chaos:
isolevel = "CHAOS";
break;
case IsolationLevel.ReadCommitted:
isolevel = "READ COMMITTED";
break;
case IsolationLevel.ReadUncommitted:
isolevel = "READ UNCOMMITTED";
break;
case IsolationLevel.RepeatableRead:
isolevel = "REPEATABLE READ";
break;
case IsolationLevel.Serializable:
isolevel = "SERIALIZABLE";
break;
}
tds.Execute (String.Format ("SET TRANSACTION ISOLATION LEVEL {0}\nBEGIN TRANSACTION {1}", isolevel, transactionName));
transaction = new SybaseTransaction (this, iso);
return transaction;
}
private SybaseCommand(string commandText, SybaseConnection connection, SybaseTransaction transaction, CommandType commandType, UpdateRowSource updatedRowSource, bool designTimeVisible, int commandTimeout, SybaseParameterCollection parameters)
{
this.commandText = commandText;
this.connection = connection;
this.transaction = transaction;
this.commandType = commandType;
this.updatedRowSource = updatedRowSource;
this.designTimeVisible = designTimeVisible;
this.commandTimeout = commandTimeout;
this.parameters = new SybaseParameterCollection(this);
for (int i = 0;i < parameters.Count;i++)
this.parameters.Add(((ICloneable)parameters[i]).Clone());
}