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function GetKeyByNo(const ANo:integer): string;

 

Description:

 

 Get the key string  by no. if no  do not match , it return  false else return true;

 

Parameter:

 

  ANo: the record id in the records, it is from zero.

 

Examples:

 

  ShowMessage('the first key name is: ' + UserData1.GetKeyByNo(0));