我的代码是
pRecord->Open(_variant_t(strSQL),theApp.m_pConnection.GetInterfacePtr(),adOpenDynamic,adLockOptimistic,adCmdText);pRecord->AddNew();
BYTE pBuffer[] = { 0xb1, 0xb1, 0xb1, 0xb1, 0, 0xb1 }
int nSize = sizeof (pBuffer);BYTE *pBuf = pBuffer;
_variant_t varBLOB;
SAFEARRAY *psa;
SAFEARRAYBOUND rgsabound[1];if (pBuf)
{
rgsabound[0].lLbound = 0;
rgsabound[0].cElements = nSize;
psa = SafeArrayCreate(VT_UI1, 1, rgsabound); for (long i = 0; i < (long)nSize; i++)
{
SafeArrayPutElement (psa, &i, pBuf++);
} varBLOB.vt = VT_ARRAY | VT_UI1; varBLOB.parray = psa; pRecord->GetFields()->GetItem("data")->AppendChunk(varBLOB);
}
pRecord->Update();提示出错Unknown error 0x800A0C93是什么原因呢?谢谢
pRecord->Open(_variant_t(strSQL),theApp.m_pConnection.GetInterfacePtr(),adOpenDynamic,adLockOptimistic,adCmdText);pRecord->AddNew();
BYTE pBuffer[] = { 0xb1, 0xb1, 0xb1, 0xb1, 0, 0xb1 }
int nSize = sizeof (pBuffer);BYTE *pBuf = pBuffer;
_variant_t varBLOB;
SAFEARRAY *psa;
SAFEARRAYBOUND rgsabound[1];if (pBuf)
{
rgsabound[0].lLbound = 0;
rgsabound[0].cElements = nSize;
psa = SafeArrayCreate(VT_UI1, 1, rgsabound); for (long i = 0; i < (long)nSize; i++)
{
SafeArrayPutElement (psa, &i, pBuf++);
} varBLOB.vt = VT_ARRAY | VT_UI1; varBLOB.parray = psa; pRecord->GetFields()->GetItem("data")->AppendChunk(varBLOB);
}
pRecord->Update();提示出错Unknown error 0x800A0C93是什么原因呢?谢谢
Remote ADO Error: The operation requested is not allowed in this context
操作不允许,是不是引起了什么冲突
一个是ID
另一个是 data 是varbinary 类型 长度是50
跟踪是在pRecord->GetFields()->GetItem("data")->AppendChunk(varBLOB);出错了
http://community.csdn.net/Expert/topic/2973/2973953.xml
这些啊