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在數據庫中存儲和顯示圖象(存儲一)

2024-07-21 02:22:50

字體：大中小

來源：轉載

供稿：網友

using system;using system.data.sqlclient;using system.data.sqltypes;using system.io;string imagefilelocation=“d:/images/”;string imagefileprefix=“cereal“;int numberimagefiles=7;string imagefiletype=“.gif“;int maximagesize=10000;sqlconnection imageconnection=null;sqlcommand imagecommand=null;]//幾個要用到的方法;void openconnection() { //create sqlconnection object imageconnection=new sqlconnection(configurationsettings.appsettings[“wind“]); //open connection imageconnection.open(); }void closeconnection() { //close the connection imageconnection.close(); }void createcommand(){imagecommand=new sqlcommand();imagecommand.connection=imageconnection;}void executecommand(string commandtext){int commandresult;imagecommand.commandtext=commandtext;commandresult=imagecommand.executenonquery();}void createimagetable(){executecommand(“if exists{“+“select table_name“+“from infoemation_schema.tables“+“where table_name='imagetable'“+“) drop table imagetable“ );executecommand(“create table imagetable(“+“imagefile nvarchar(20),“+“imagedata image“+ “)“ );}

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