private void FillClose(bool isrecordset, object value)
{
OleDbHResult hr;
if (isrecordset)
{
Bid.Trace("<oledb.Recordset15.Close|API|ADODB>\n");
hr = ((UnsafeNativeMethods.Recordset15)value).Close(); // MDAC 78415
Bid.Trace("<oledb.Recordset15.Close|API|ADODB|RET> %08X{HRESULT}\n", hr);
}
else
{
Bid.Trace("<oledb._ADORecord.Close|API|ADODB>\n");
hr = ((UnsafeNativeMethods._ADORecord)value).Close(); // MDAC 78415
Bid.Trace("<oledb._ADORecord.Close|API|ADODB|RET> %08X{HRESULT}\n", hr);
}
if ((0 < (int)hr) && (ODB.ADODB_AlreadyClosedError != (int)hr))
{
UnsafeNativeMethods.IErrorInfo errorInfo = null;
UnsafeNativeMethods.GetErrorInfo(0, out errorInfo);
string message = String.Empty;
if (null != errorInfo)
{
OleDbHResult hresult = ODB.GetErrorDescription(errorInfo, hr, out message);
}
throw new COMException(message, (int)hr);
}
}
private void FillClose(bool isrecordset, object value)
{
OleDbHResult result;
if (isrecordset)
{
Bid.Trace("<oledb.Recordset15.Close|API|ADODB>\n");
result = ((System.Data.Common.UnsafeNativeMethods.Recordset15)value).Close();
Bid.Trace("<oledb.Recordset15.Close|API|ADODB|RET> %08X{HRESULT}\n", result);
}
else
{
Bid.Trace("<oledb._ADORecord.Close|API|ADODB>\n");
result = ((System.Data.Common.UnsafeNativeMethods._ADORecord)value).Close();
Bid.Trace("<oledb._ADORecord.Close|API|ADODB|RET> %08X{HRESULT}\n", result);
}
if ((OleDbHResult.S_OK < result) && (((OleDbHResult)(-2146824584)) != result))
{
System.Data.Common.UnsafeNativeMethods.IErrorInfo ppIErrorInfo = null;
System.Data.Common.UnsafeNativeMethods.GetErrorInfo(0, out ppIErrorInfo);
string message = string.Empty;
if (ppIErrorInfo != null)
{
ODB.GetErrorDescription(ppIErrorInfo, result, out message);
}
throw new COMException(message, (int)result);
}
}
private void SetLastErrorInfo(OleDbHResult lastErrorHr)
{
UnsafeNativeMethods.IErrorInfo ppIErrorInfo = null;
string message = string.Empty;
if ((UnsafeNativeMethods.GetErrorInfo(0, out ppIErrorInfo) == OleDbHResult.S_OK) && (ppIErrorInfo != null))
{
ODB.GetErrorDescription(ppIErrorInfo, lastErrorHr, out message);
}
this.lastErrorFromProvider = new COMException(message, (int)lastErrorHr);
}
private void SetLastErrorInfo(OleDbHResult lastErrorHr)
{
// note: OleDbHResult is actually a simple wrapper over HRESULT with OLEDB-specific codes
UnsafeNativeMethods.IErrorInfo errorInfo = null;
string message = String.Empty;
OleDbHResult errorInfoHr = UnsafeNativeMethods.GetErrorInfo(0, out errorInfo); // 0 - IErrorInfo exists, 1 - no IErrorInfo
if ((errorInfoHr == OleDbHResult.S_OK) && (errorInfo != null))
{
ODB.GetErrorDescription(errorInfo, lastErrorHr, out message);
// note that either GetErrorInfo or GetErrorDescription might fail in which case we will have only the HRESULT value in exception message
}
lastErrorFromProvider = new COMException(message, (int)lastErrorHr);
}
private void FillClose(bool isrecordset, object value)
{
OleDbHResult hr;
if (isrecordset)
{
hr = ((UnsafeNativeMethods.Recordset15)value).Close();
}
else
{
hr = ((UnsafeNativeMethods._ADORecord)value).Close();
}
if ((0 < (int)hr) && (ODB.ADODB_AlreadyClosedError != (int)hr))
{
UnsafeNativeMethods.IErrorInfo errorInfo = null;
UnsafeNativeMethods.GetErrorInfo(0, out errorInfo);
string message = String.Empty;
if (null != errorInfo)
{
OleDbHResult hresult = ODB.GetErrorDescription(errorInfo, hr, out message);
}
throw new COMException(message, (int)hr);
}
}
private int FillFromADODB(Object data, object adodb, string srcTable, bool multipleResults)
{
Debug.Assert(null != data, "FillFromADODB: null data object");
Debug.Assert(null != adodb, "FillFromADODB: null ADODB");
Debug.Assert(!(adodb is DataTable), "call Fill( (DataTable) value)");
Debug.Assert(!(adodb is DataSet), "call Fill( (DataSet) value)");
/*
* IntPtr adodbptr = ADP.PtrZero;
* try { // generate a new COM Callable Wrapper around the user object so they can't ReleaseComObject on us.
* adodbptr = Marshal.GetIUnknownForObject(adodb);
* adodb = System.Runtime.Remoting.Services.EnterpriseServicesHelper.WrapIUnknownWithComObject(adodbptr);
* }
* finally {
* if (ADP.PtrZero != adodbptr) {
* Marshal.Release(adodbptr);
* }
* }
*/
bool closeRecordset = multipleResults; // MDAC 60332, 66668
Bid.Trace("<oledb.IUnknown.QueryInterface|API|OLEDB|ADODB> ADORecordsetConstruction\n");
UnsafeNativeMethods.ADORecordsetConstruction recordset = (adodb as UnsafeNativeMethods.ADORecordsetConstruction);
UnsafeNativeMethods.ADORecordConstruction record = null;
if (null != recordset) // MDAC 78415
{
if (multipleResults)
{
// The NextRecordset method is not available on a disconnected Recordset object, where ActiveConnection has been set to NULL
object activeConnection;
Bid.Trace("<oledb.Recordset15.get_ActiveConnection|API|ADODB>\n");
activeConnection = ((UnsafeNativeMethods.Recordset15)adodb).get_ActiveConnection();
if (null == activeConnection)
{
multipleResults = false;
}
}
}
else
{
Bid.Trace("<oledb.IUnknown.QueryInterface|API|OLEDB|ADODB> ADORecordConstruction\n");
record = (adodb as UnsafeNativeMethods.ADORecordConstruction);
if (null != record) // MDAC 78415
{
multipleResults = false; // IRow implies CommandBehavior.SingleRow which implies CommandBehavior.SingleResult
}
}
// else throw ODB.Fill_NotADODB("adodb"); /* throw later, less code here*/
int results = 0;
if (null != recordset)
{
int resultCount = 0;
bool incrementResultCount; // MDAC 59632
object[] value = new object[1];
do
{
string tmp = null;
if (data is DataSet)
{
tmp = GetSourceTableName(srcTable, resultCount);
}
results += FillFromRecordset(data, recordset, tmp, out incrementResultCount);
if (multipleResults)
{
value[0] = DBNull.Value;
object recordsAffected;
object nextresult;
Bid.Trace("<oledb.Recordset15.NextRecordset|API|ADODB>\n");
OleDbHResult hr = ((UnsafeNativeMethods.Recordset15)adodb).NextRecordset(out recordsAffected, out nextresult); // MDAC 78415
Bid.Trace("<oledb.Recordset15.NextRecordset|API|ADODB|RET> %08X{HRESULT}\n", hr);
if (0 > hr)
{
// Current provider does not support returning multiple recordsets from a single execution.
if (ODB.ADODB_NextResultError != (int)hr)
{
UnsafeNativeMethods.IErrorInfo errorInfo = null;
UnsafeNativeMethods.GetErrorInfo(0, out errorInfo);
string message = String.Empty;
if (null != errorInfo)
{
OleDbHResult hresult = ODB.GetErrorDescription(errorInfo, hr, out message);
}
throw new COMException(message, (int)hr);
}
break;
}
adodb = nextresult;
if (null != adodb)
{
Bid.Trace("<oledb.IUnknown.QueryInterface|API|OLEDB|ADODB> ADORecordsetConstruction\n");
recordset = (UnsafeNativeMethods.ADORecordsetConstruction)adodb;
if (incrementResultCount)
{
resultCount++;
}
continue;
}
}
break;
} while(null != recordset);
if ((null != recordset) && (closeRecordset || (null == adodb))) // MDAC 59746, 60902
{
FillClose(true, recordset);
}
}
else if (null != record)
{
results = FillFromRecord(data, record, srcTable);
if (closeRecordset) // MDAC 66668
{
FillClose(false, record); // MDAC 60848
}
}
else
{
throw ODB.Fill_NotADODB("adodb");
}
return(results);
}
private int FillFromADODB(object data, object adodb, string srcTable, bool multipleResults)
{
string sourceTableName;
bool flag2;
bool flag = multipleResults;
Bid.Trace("<oledb.IUnknown.QueryInterface|API|OLEDB|ADODB> ADORecordsetConstruction\n");
System.Data.Common.UnsafeNativeMethods.ADORecordsetConstruction recordset = adodb as System.Data.Common.UnsafeNativeMethods.ADORecordsetConstruction;
System.Data.Common.UnsafeNativeMethods.ADORecordConstruction record = null;
if (recordset != null)
{
if (multipleResults)
{
Bid.Trace("<oledb.Recordset15.get_ActiveConnection|API|ADODB>\n");
if (((System.Data.Common.UnsafeNativeMethods.Recordset15)adodb).get_ActiveConnection() == null)
{
multipleResults = false;
}
}
}
else
{
Bid.Trace("<oledb.IUnknown.QueryInterface|API|OLEDB|ADODB> ADORecordConstruction\n");
record = adodb as System.Data.Common.UnsafeNativeMethods.ADORecordConstruction;
if (record != null)
{
multipleResults = false;
}
}
int num = 0;
if (recordset == null)
{
if (record == null)
{
throw ODB.Fill_NotADODB("adodb");
}
num = this.FillFromRecord(data, record, srcTable);
if (flag)
{
this.FillClose(false, record);
}
return(num);
}
int index = 0;
object[] objArray = new object[1];
Label_0068:
sourceTableName = null;
if (data is DataSet)
{
sourceTableName = GetSourceTableName(srcTable, index);
}
num += this.FillFromRecordset(data, recordset, sourceTableName, out flag2);
if (multipleResults)
{
object obj2;
object obj4;
objArray[0] = DBNull.Value;
Bid.Trace("<oledb.Recordset15.NextRecordset|API|ADODB>\n");
OleDbHResult result = ((System.Data.Common.UnsafeNativeMethods.Recordset15)adodb).NextRecordset(out obj4, out obj2);
Bid.Trace("<oledb.Recordset15.NextRecordset|API|ADODB|RET> %08X{HRESULT}\n", result);
if (OleDbHResult.S_OK > result)
{
if (((OleDbHResult)(-2146825037)) != result)
{
System.Data.Common.UnsafeNativeMethods.IErrorInfo ppIErrorInfo = null;
System.Data.Common.UnsafeNativeMethods.GetErrorInfo(0, out ppIErrorInfo);
string message = string.Empty;
if (ppIErrorInfo != null)
{
ODB.GetErrorDescription(ppIErrorInfo, result, out message);
}
throw new COMException(message, (int)result);
}
}
else
{
adodb = obj2;
if (adodb != null)
{
Bid.Trace("<oledb.IUnknown.QueryInterface|API|OLEDB|ADODB> ADORecordsetConstruction\n");
recordset = (System.Data.Common.UnsafeNativeMethods.ADORecordsetConstruction)adodb;
if (flag2)
{
index++;
}
if (recordset != null)
{
goto Label_0068;
}
}
}
}
if ((recordset != null) && (flag || (adodb == null)))
{
this.FillClose(true, recordset);
}
return(num);
}
