Delphi combines SQL database using the search string variables, the sample supporting a SQLSERVER database, please attach before the test. As shown in the screenshot is running, select the query fields in the query column can enter a custom query variable, if it finds the data, Datagrid list below will show qualifying query.

Code\delphi\pudn\upandload\DATA\Delphi_507125\Delphi_507125\rd.txt
....\......\....\.........\....\.............\.............\Delphi结合SQL数据库使用变量查找字符串\Project2.cfg
....\......\....\.........\....\.............\.............\.....................................\Unit1.ddp
....\......\....\.........\....\.............\.............\.....................................\Unit1.dfm
....\......\....\.........\....\.............\.............\.....................................\Project2.dof
....\......\....\.........\....\.............\.............\.....................................\Project2.dpr
....\......\....\.........\....\.............\.............\.....................................\datebase\SQLSL_Log.LDF
....\......\....\.........\....\.............\.............\.....................................\........\SQLSL_Data.MDF
....\......\....\.........\....\.............\.............\.....................................\Unit1.pas
....\......\....\.........\....\.............\.............\.....................................\Project2.res
....\......\....\.........\....\.............\.............\.....................................\datebase
....\......\....\.........\....\.............\.............\Delphi结合SQL数据库使用变量查找字符串

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