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VC++ Ado Tutorial, VC++ Ado Sample, VC++ Ado Example

 
 
This is consist of 2 classes.
  • CDyndb : This Class manages connections and recordsets. Recordsets are organized as linked list (CList) and you can access them using their ids.
  • CDynRec : This class is the node to populate for each recordsets.
Simply follow these steps in order to use the ADO Example and Sample wrapper classes:
  1. You need to add the following line stdafx.h :
    #import "c:\program files\common files\system\ado\msado21.tlb" no_namespace rename ("EOF", "adoEOF")
    
  2. Call the OpenConn function
    theApp.m_dyndb.OpenConn("driver=sql server;server=dogu;UID=sa;PWD=;database=dbtraining;");
    
  3. Call OpenRec function
    theApp.m_dyndb.OpenRec("select * from Courses");
    
  4. Call GetFieldVal function to get the value of the fields. This function returns variant type. You can cast it as usual way like "short(variantdata);"
    vardat=theApp.m_dyndb.GetFieldVal(0,2);
    
  5. Call GetFieldType to get the type of the field. "en" has a definition like DataTypeEnum en; (see MSDN for details)
    en=theApp.m_dyndb.GetFieldType(0,2);
    
  6. Call GetFieldCount to get the number of the fields that selected in the recordset.

     

  7. Call GetFieldName to obtain the name of the field.
To iterate through a recordset, you can use the m_pRecordSet member functions MoveXXX

Downloads VC++ Example, and Example

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Download demo project - 121

 

 

 

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