本文介绍了如何使用DataReader从数据库检索数据?的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
谁都知道C#代码..
Anyone know C# code for this.. How to retrieve data from database using datareader?
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查看此 see this private static void ReadOrderData(string connectionString) { string queryString = "SELECT OrderID, CustomerID FROM dbo.Orders;"; using (SqlConnection connection = new SqlConnection(connectionString)) { SqlCommand command = new SqlCommand(queryString, connection); connection.Open(); SqlDataReader reader = command.ExecuteReader(); // Call Read before accessing data. while (reader.Read()) { Console.WriteLine(String.Format("{0}, {1}", reader[0], reader[1])); } // Call Close when done reading. reader.Close(); } }
来自: msdn.microsoft/en-us/library/system.data.sqlclient.sqldatareader.aspx [ ^ ]
From : msdn.microsoft/en-us/library/system.data.sqlclient.sqldatareader.aspx[^]
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如何使用DataReader从数据库检索数据?
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