统计record记录还是用

int iCnt=0; while(!m_dataSet.IsEOF()) { iCnt++; m_dataSet.MoveNext(); }

CRecordset::GetRecordCount

Visual Studio 2010

其他版本

Visual Studio 2008
Visual Studio 2005

Determines the size of the recordset.

复制

long GetRecordCount( ) const;

返回值

The number of records in the recordset; 0 if the recordset contains no records; or –1 if the record count cannot be determined.

备注

警告
The record count is maintained as a "high water mark," the highest-numbered record yet seen as the user moves through the records. The total number of records is only known after the user has moved beyond the last record. For performance reasons, the count is not updated when you call MoveLast. To count the records yourself, call MoveNext repeatedly until IsEOF returns nonzero. Adding a record via CRecordset:AddNew and Update increases the count; deleting a record via CRecordset::Delete decreases the count.

警告

The record count is maintained as a "high water mark," the highest-numbered record yet seen as the user moves through the records. The total number of records is only known after the user has moved beyond the last record. For performance reasons, the count is not updated when you call MoveLast. To count the records yourself, call MoveNext repeatedly until IsEOF returns nonzero. Adding a record via CRecordset:AddNew and Update increases the count; deleting a record via CRecordset::Delete decreases the count.

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CRecordset::GetRecordCount()

统计record记录还是用

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