C#中連接SQL Server的代碼:
string con, sql;
con = "Server=.;Database=溫濕度測試;Trusted_Connection=SSPI";
sql = "select * from 溫濕度測試";
SqlConnection mycon = new SqlConnection(con);
DateTime uploadDate = System.DateTime.Now;
mycon.Open();
SqlDataAdapter myda = new SqlDataAdapter(sql, con);
DataSet myds = new DataSet();
myda.Fill(myds, "溫濕度測試");
String sql2 = "insert into 溫濕度測試(日期,時間,溫度,濕度) values('" + uploadDate + "','" + uploadDate + "','" + wendu + "','" + shidu + "')";
SqlDataAdapter myda2 = new SqlDataAdapter(sql2, mycon);
myda2.Fill(myds, "溫濕度測試");
dataGridView1.DataSource = myds.Tables["溫濕度測試"];
mycon.Close();下面是C#鏈接SQLite的代碼:
//sqlite 數據庫
string uploadDate = System.DateTime.Now.ToShortDateString().ToString();
string uploadTime = System.DateTime.Now.ToLongTimeString().ToString();
SQLiteConnection conn = null;
string dbPath = "Data Source =" + "C:/sqlite" + "/數據測試.db";
conn = new SQLiteConnection(dbPath);//創建數據庫實例,指定文件位置
conn.Open();//打開數據庫,若文件不存在會自動創建
string sql = "CREATE TABLE IF NOT EXISTS '" + "溫度" + uploadDate + "' (日期 varchar(6), 時間 varchar(6), 溫度 varchar(6));";//建表語句
SQLiteCommand cmdCreateTable = new SQLiteCommand(sql, conn);
cmdCreateTable.ExecuteNonQuery();//如果表不存在,創建數據表
SQLiteCommand cmdInsert = new SQLiteCommand(conn);
cmdInsert.CommandText = "INSERT INTO '" + "溫度" + uploadDate + "' VALUES('" + uploadDate + "','" + uploadTime + "','" + wendu + "')";//插入幾條數據
cmdInsert.ExecuteNonQuery();
conn.Close();免責聲明:本站發布的內容(圖片、視頻和文字)以原創、轉載和分享為主,文章觀點不代表本網站立場,如果涉及侵權請聯系站長郵箱:is@yisu.com進行舉報,并提供相關證據,一經查實,將立刻刪除涉嫌侵權內容。