Asp.net 如何在数据库中加载复选框列表的状态?
我有1个复选框列表,里面有6个复选框(下面是我的数据库) 当我单击一个复选框时,该值将作为Asp.net 如何在数据库中加载复选框列表的状态?,asp.net,vb.net,Asp.net,Vb.net,我有1个复选框列表,里面有6个复选框(下面是我的数据库) 当我单击一个复选框时,该值将作为TRUE保存到我的数据库中。这是我的密码: Dim connectionString As String = ConfigurationManager.ConnectionStrings("ConnectionString").ConnectionString Dim insertSql As String = "INSERT INTO tbinterest(interest) VALUES(@intere
TRUE
保存到我的数据库中。这是我的密码:
Dim connectionString As String = ConfigurationManager.ConnectionStrings("ConnectionString").ConnectionString
Dim insertSql As String = "INSERT INTO tbinterest(interest) VALUES(@interest)"
Using myConnection As New SqlConnection(connectionString)
myConnection.Open()
Dim myCommand As New SqlCommand(insertSql, myConnection)
myCommand.Parameters.AddWithValue("@interest", SqlDbType.Bit).Value = 1
myCommand.ExecuteNonQuery()
myConnection.Close()
End Using
但不知何故,当我加载页面时,它不会显示选中状态(选中/未选中)。这是我在页面加载中的代码。你能帮我吗?谢谢
Dim connectionString As String = ConfigurationManager.ConnectionStrings("ConnectionString").ConnectionString
Using myConnection As New SqlConnection(connectionString)
Dim objCmd_team As SqlCommand = New SqlCommand("SELECT [interest] FROM [tbinterest]", myConnection)
myConnection.Open()
Dim objReader As SqlDataReader = objCmd_team.ExecuteReader()
While (objReader.Read())
Dim currentCheckBox As ListItem = chkApprovers.Items.FindByText(objReader("interest"))
If currentCheckBox IsNot Nothing Then
currentCheckBox.Selected = True
End If
End While
End Using
您的代码似乎是正确的。。请检查此行是否有listitem有值的断点 暗淡的 currentCheckBox As 列表项= chkApprovers.Items。 FindByText(objReader (利息) 如果listitem为nothing,请尝试以下操作 暗淡的 currentCheckBox As 列表项= chkApprovers.Items。 FindByText(objReader.Item (“利息”)。ToString) 还有一件事,您只保存位值作为利息,那么您是如何将其与复选框匹配的。 只能与checkboy文本值或id值匹配
希望这有帮助。哦,那么我如何匹配位值呢?
Dim connectionString As String = ConfigurationManager.ConnectionStrings("ConnectionString").ConnectionString
Using myConnection As New SqlConnection(connectionString)
Dim objCmd_team As SqlCommand = New SqlCommand("SELECT [interest] FROM [tbinterest]", myConnection)
myConnection.Open()
Dim objReader As SqlDataReader = objCmd_team.ExecuteReader()
While (objReader.Read())
Dim currentCheckBox As ListItem = chkApprovers.Items.FindByText(objReader("interest"))
If currentCheckBox IsNot Nothing Then
currentCheckBox.Selected = True
End If
End While
End Using