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尝试使用(日历预订系统)中的复选框列表。如果数据库中有任何数据与日期和小时相对应,则应该禁用该复选框并为红色。这一切都完美的工作是代码。用vb.net复选框列表保持禁用
OK我找到了一种方法如何清除复选框
Dim i As Integer
Dim chboxItem As ListItem
For Each chboxItem In CheckBoxListMon.Items
i += 1
If (i Mod 1 = 0) Then
chboxItem.Enabled = True
End If
Next
Protected Sub Page_LoadComplete(sender As Object, e As EventArgs) Handles Me.LoadComplete
Try
strQuery = "SELECT BookingDate, checkBoxItem, BookRegUserID,Booked FROM bookings INNER JOIN checkboxitems where checkBoxItem = BookingTime"
MySQLCmd = New MySqlCommand(strQuery, dbCon)
dbCon.Open()
DR = MySQLCmd.ExecuteReader
While DR.Read
bookDate = DR.Item("BookingDate")
bookTime = DR.Item("checkBoxItem")
bookRegID = DR.Item("BookRegUserID")
booked = DR.Item("Booked")
Dim test As String = bookTime.ToString()
Select Case True
Case bookDate = lblMonday.Text And CheckBoxListMon.Items.FindByValue(test) IsNot Nothing
CheckBoxListMon.Items.FindByValue(bookTime).Enabled = False
CheckBoxListMon.Items.FindByValue(bookTime).Attributes.Add("Style", "color: red;")
End Select
End While
DR.Close()
dbCon.Close()
Catch ex As Exception
End Try
End Sub
当网页加载它不会改变从数据库中的。但是当我重新加载页面时,它实际上会工作得很完美。
我在哪里可以把检查只是为了确保它们已经在内存中。
任何帮助将不胜感激。谢谢大家。
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