```3. 创建一个OLEDBCommand对象,并将连接和查询作为参数传递:```OleDbCommand command = new OleDbCommand(query, connection);```4. 添加参数到OLEDBCommand对象中:```command.Parameters.AddWithValue("@Country", "China");```5. 执行查询并获取结果:```OleDbDataReader reader = command.ExecuteReader();while...
OR auto LIKE @p1";command=newOleDbCommand(queryTarga,con);command.Parameters.AddWithValue("@p1","...
connection)) { command.Parameters.AddWithValue("Country", "USA"); using (OleDbDataReader reader = command.ExecuteReader()) { while (reader.Read()) { Console.WriteLine("CustomerID: {0}, CompanyName: {1}, ContactName: {2}", reader
OleDbCommandcmd.Parameters.AddWithValue 添加参数时需要按照存储过程参数的顺序加入 在使用存储过程时,参数出入的顺序要一致。 存储过程 前端 数据 数据库 编程语言 转载 mb5ffd7010f3b33 2013-07-10 11:27:00 100阅读 2 access截取最后一段 access提取字段值 ...
comm.Parameters.AddWithValue("dateOfBirth", person.DateOfBirth); comm.ExecuteNonQuery(); ... but how can I insert multiple rows, using the same method, without having to perform multiple commands? If this isn't possible, what would be a suitable alternative approach?
比如Grid上无法正常显示，解决办法有二个: 1.将Class的成员，手动改成String类型，不过个人不推荐这种...
command.Parameters.AddWithValue("@DataDosp", dateTimePicker2.Value); command.Parameters.AddWithValue("@OdzDok", txtDok.Text); command.Parameters.AddWithValue("@Platil", checkBox1.Checked); command.Parameters.AddWithValue("@DataPlak", dateTimePicker3.Value.Date); ...
comm.Parameters.AddWithValue("dateOfBirth", person.DateOfBirth); comm.ExecuteNonQuery(); ... but how can I insert multiple rows, using the same method, without having to perform multiple commands? If this isn't possible, what would be a suitable alternative approach?
"; command.Parameters.AddWithValue("ColumnName", columnValue); 复制代码 执行事务操作: OleDbTransaction transaction = connection.BeginTransaction(); command.Transaction = transaction; try { // 执行多个 OleDbCommand 对象 transaction.Commit(); } catch { transaction.Rollback(); } finally { transaction...