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  • SQLite批量插入,修改数据库 zt

    SQLiteConnection sqConnection = dataProvider.GetDbConnection();
            sqConnection.Open();
            SQLiteCommand sqCommand = new SQLiteCommand();
            SQLiteTransaction myTrans;
            // Start a local transaction
            myTrans = sqConnection.BeginTransaction(System.Data.IsolationLevel.Serializable);
            // Assign transaction object for a pending local transaction
            sqCommand.Connection = sqConnection;
            sqCommand.Transaction = myTrans;
    
            try {
                for (int i = 0; i < n; i++)
                {
                    sqCommand.CommandText = "Insert into Dept(DeptNo, DName)Values(@DeptNo, @DName)";
                    sqCommand.Parameters.Add(new SQLiteParameter("@DeptNo", i));
                    sqCommand.Parameters.Add(new SQLiteParameter("@DName",”DEVELOPMENT”));
                    sqCommand.ExecuteNonQuery();
                }
                myTrans.Commit();
            } catch (Exception e) {
                myTrans.Rollback();
                Error = String.Format("Neither record was written to database,Details:{0}", e.ToString());
            } finally {
                sqConnection.Close();
            }
    public static void RunSQLiteTransaction(string myConnString) { 
        using (SQLiteConnection sqConnection = new SQLiteConnection(myConnString)) { 
            sqConnection.Open(); 
            // Start a local transaction 
            SQLiteTransaction myTrans = sqConnection.BeginTransaction(System.Data.IsolationLevel.ReadCommitted); 
            SQLiteCommand sqCommand = sqConnection.CreateCommand(); 
            try { 
                sqCommand.CommandText = "INSERT INTO Dept(DeptNo, DName) Values(52, 'DEVELOPMENT')"; 
                sqCommand.ExecuteNonQuery(); 
                sqCommand.CommandText = "INSERT INTO Dept(DeptNo, DName) Values(62, 'PRODUCTION')"; 
                sqCommand.ExecuteNonQuery(); 
                myTrans.Commit(); 
                Console.WriteLine("Both records are written to database."); 
            } 
            catch (Exception e) { 
                myTrans.Rollback(); 
                Console.WriteLine(e.ToString()); 
                Console.WriteLine("Neither record was written to database."); 
            } 
            finally { 
                sqCommand.Dispose(); 
                myTrans.Dispose(); 
            } 
        } 
    } 
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  • 原文地址:https://www.cnblogs.com/zeroone/p/3614584.html
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