我是C#,ASP.NET,SQL Server Express和一般编程的初学者.我正在尝试制作在线日历(截止日期).我会阅读所有其他与此类似的帖子,但是现在我有一个问题,希望能帮我上路.
将日历链接到数据库的步骤是什么?任何在何处/如何做的例子将不胜感激?
当一个日期由不同的用户有多个条目时,我看到可能存在的陷阱,所以如果有人知道如何再次管理这个,我就全都听见了.
最佳答案 我给你写了一个小例子
>连接到SQL Express服务器
>读数据
>选择多个日期(即不同用户输入多个日期)
希望这可以帮助!…
// The SQL connection object to connect to the database. Takes connection string.
SqlConnection connection =
new SqlConnection(@"Data Source=localhost\SQLEXPRESS;Initial Catalog=Example");
// Idealy you wouldnt pass direct SQL text for injection reasons etc, but
// for example sake I will enter a simple query to get some dates from a table.
// Notice the command object takes our connection object...
SqlCommand command = new SqlCommand("Select [Date] From Dates", connection);
// Open the connection
connection.Open();
// Execute the command
SqlDataReader reader = command.ExecuteReader();
// A list of dates to store our selected dates...
List<DateTime> dates = new List<DateTime>();
// While the SqlDataReader is reading, add the date to the list.
while (reader.Read())
{
dates.Add(reader.GetDateTime(0));
}
// Close the connection!
connection.Close();
// Use the selected dates property of the ASP.NET calendar control, add every
// date that we read from the database...
foreach (DateTime date in dates)
{
Calendar1.SelectedDates.Add(date);
}
祝好运!