TUniStoredProc Error

[cxg417]

UniStoredProc1.Close;
UniStoredProc1.ParamByName('Param1').AsString:=Value1;
UniStoredProc1.ParamByName('Param2').AsString:=Value2;
UniStoredProc1.ParamByName('Param3').AsSmallInt:=Value3;
//UniStoredProc1.Prepare; <----------------
UniStoredProc1.Open;

Viwe SQL Profiler
exec sP_StoredProc1 NULL, NULL, NULL


UniStoredProc1.Close;
UniStoredProc1.ParamByName('Param1').AsString:=Value1;
UniStoredProc1.ParamByName('Param2').AsString:=Value2;
UniStoredProc1.ParamByName('Param3').AsSmallInt:=Value3;
UniStoredProc1.Prepare;
UniStoredProc1.Open;
UniStoredProc1.OpenNext;

Viwe SQL Profiler
exec sP_StoredProc1 Value1, Value2, Value3

but
Raise 'Cannot OpenNext if Statement is Prepared'
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[Dimon]

To solve the problem execute the UniStoredProc1.PrepareSQL method before setting parameter values.