如何使用DataReader从数据库检索数据?
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?
答
亲爱的朋友,
请点击以下链接:-
http://www.akadia.com/services/dotnet_data_reader.html [
Dear Friend,
Please follow this link:-
http://www.akadia.com/services/dotnet_data_reader.html[^]
Hope it will help you out.
Thanks
检查此链接
http://www.akadia.com/services/dotnet_data_reader.html [
Check this link
http://www.akadia.com/services/dotnet_data_reader.html[^]
It will help You
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: http://msdn.microsoft.com/en-us/library/system.data.sqlclient.sqldatareader.aspx [ ^ ]
From : http://msdn.microsoft.com/en-us/library/system.data.sqlclient.sqldatareader.aspx[^]