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form1 含 clientdataset1,datasetprovider1,adoquery1 <br> clientdataset1.providername=datasetprovider1<br> datasetprovider1.dataset=adoquery1<br><br> 程序中<br> clientdataset1.close;<br> adoquery1.sql.clear;<br> adoquery1.sql.add('select * from tabl_x');<br> clientdataset1.open;<br> 程序运行是正常的,但数据量稍大点,速度好像没有直接用 adoquery1 快<br>不知这样的写法对不?