TDatabase TQuery TDataSource TDBGrid 设定方法

TDatabase TQuery TDataSource TDBGrid
object Database1: TDatabase
  AliasName = 'sfis'
  DatabaseName = 'Allcon'
  LoginPrompt = False
  Params.Strings = (
    'SERVER NAME=SFIS.WORLD'
    'USER NAME=sfis1'
    'NET PROTOCOL=TNS'
    'OPEN MODE=READ/WRITE'
    'SCHEMA CACHE SIZE=8'
    'LANGDRIVER=taiwan'
    'SQLQRYMODE=SERVER'
    'SQLPASSTHRU MODE=SHARED AUTOCOMMIT'
    'SCHEMA CACHE TIME=-1'
    'MAX ROWS=-1'
    'BATCH COUNT=200'
    'ENABLE SCHEMA CACHE=FALSE'
    'SCHEMA CACHE DIR='
    'ENABLE BCD=FALSE'
    'ENABLE INTEGERS=FALSE'
    'LIST SYNONYMS=NONE'
    'ROWSET SIZE=20'
    'BLOBS TO CACHE=64'
    'BLOB SIZE=32'
    'OBJECT MODE=TRUE'
    'PASSWORD=sfcbasetable1')
  ReadOnly = True
  SessionName = 'Default'
end
object Query1: TQuery
  DatabaseName = 'Allcon'
end
object DataSource1: TDataSource
  DataSet = Query1
end
object DBGrid1: TDBGrid
  DataSource = DataSource1
end

//没有参数查询
Query1.Close;
    Query1.SQL.Clear;
    Query1.SQL.Add('SELECT * FROM SFISM4.R_MATERIAL_EXC_T');
    Query1.Open;
//传参时

sn:='MATERIAL_SN=:sn';
Query1.Close;
Query1.SQL.Clear;
Query1.SQL.Add('SELECT * FROM SFISM4.R_MATERIAL_EXC_T where '+sn);
Query1.ParamByName('sn').AsString := Edit_Qry_KPNO.Text;
Query1.Open;

//插入 或更新操作时
 query1.Close;
      query1.SQL.Clear;
query1.SQL.Add('INSERT INTO SFISM4.R_MATERIAL_EXC_T (MATERIAL_SN,VENDER,DATA_CODE,LOC_CODE,EXC_TIME,EXC_CODE,ERROR_REASON,BAR_RATE,REASON_COME,CLEAR_FLAG,CLEAR_CODE,CLOSE_FLAG,CLEAR_TIME,QUA_DC,EIGHT_D_CODE,EIGHT_D_ADD,VC_CONTACT,SQE_CONTACT) ' +
                       'VALUES ( :MATERIAL_SN,:VENDER,:DATA_CODE,:LOC_CODE,:EXC_TIME,:EXC_CODE,:ERROR_REASON,:BAR_RATE,:REASON_COME,:CLEAR_FLAG,:CLEAR_CODE,:CLOSE_FLAG,:CLEAR_TIME,:QUA_DC,:EIGHT_D_CODE,:EIGHT_D_ADD,:VC_CONTACT,:SQE_CONTACT)');
        query1.ParamByName('MATERIAL_SN').AsString:=Edit_KP.Text;
       //...此处省去其他参数赋值
        query1.ExecSQL;

query1.SQL.Add('UPDATE SFISM4.R_MATERIAL_EXC_T SET MATERIAL_SN=:MATERIAL_SN,VC_CONTACT=:VC_CONTACT,SQE_CONTACT=:SQE_CONTACT'+' '+
'where MATERIAL_SN=:MATERIAL_SN ')

      date11:= formatdatetime('YYYYMMDD',DT_ex_Begin.date);        //?date??Θ?''/''才﹃
      date22:= formatdatetime('YYYYMMDD',DT_ex_End.date);
      time11:= Time1.text; //格式为 13:30
      time22:= time2.text;
      ssql:='SELECT * FROM SFISM4.R_MATERIAL_EXC_T where EXC_TIME  between to_date('''+Date11+''' || '''+ time11+''',''YYYYMMDDhh24:miss'') and to_date('''+Date22+''' || '''+ time22+''',''YYYYMMDDhh24:miss'') ';