access資料庫連線

string strconnection = "provider=microsoft.jet.oledb.4.0;";

strconnection += @"data source=e:/accesstest/data.mdb";//?裡用的是??路徑

oledbconnection objconnection = new oledbconnection(strconnection);

objconnection.open();

//查詢

//oledbdataadapter da = new oledbdataadapter("select * from test", objconnection);

//dataset ds = new dataset();

//da.fill(ds);

//查詢

oledbcommand command = new oledbcommand("select * from test where id = '1'", objconnection);

oledbdataadapter datemp = new oledbdataadapter(command);

dataset dtstemp = new dataset();

datemp.fill(dtstemp);

//追加

oledbcommand insertcommand = new oledbcommand("insert into test(id,name,age) values('4','4','4')", objconnection);

int intinsert = insertcommand.executenonquery();

//更新

oledbcommand updatecommand = new oledbcommand("update test set age = '8' where id =" + ":id", objconnection);

oledbparameter oledbparameter = new oledbparameter("id", "6");

updatecommand.parameters.add(oledbparameter);

//oledbcommand updatecommand = new oledbcommand("update test set age = '8' where id = '6'", objconnection);

int intupdate = updatecommand.executenonquery();

string strtemp = "'" + "/"" + "'";

//刪除

oledbcommand deletecommand = new oledbcommand("delete from test where id = '3'", objconnection);

int intdelete = deletecommand.executenonquery();

objconnection.close();

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