t= tableByte;   //memory table
  t->Open();
  t->Insert();
  t->Fields->Fields[0]->SetData( buf, true);

  qIns->ParamByName( param)->DataType= ftBytes;
  qIns->ParamByName( param)->AssignField( t->Fields->Fields[0] );

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 Comments

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The problem was with the AssignFieldValue method of the TDBISAMParam class.

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 Resolution

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Fixed Problem on 7/28/2017 in version 4.44 build 3

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 Products Affected

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DBISAM VCL Client-Server
DBISAM VCL Client-Server with Source
DBISAM VCL Standard
DBISAM VCL Standard with Source
DBISAM VCL Trial