Asp.net ObjectDataSource UpdateMethod传递更新值
我有一个连接到objectdatasource的gridview,它绑定到我代码中的一些自定义对象(代码如下)。我遇到的问题是,传递到update方法中的值是旧值,而不是新值。想法Asp.net ObjectDataSource UpdateMethod传递更新值,asp.net,gridview,objectdatasource,Asp.net,Gridview,Objectdatasource,我有一个连接到objectdatasource的gridview,它绑定到我代码中的一些自定义对象(代码如下)。我遇到的问题是,传递到update方法中的值是旧值,而不是新值。想法 Imports System.Configuration Imports System.Web.Configuration Imports System.Security.Cryptography Imports System.Collections.Generic Partial Public Class Man
Imports System.Configuration
Imports System.Web.Configuration
Imports System.Security.Cryptography
Imports System.Collections.Generic
Partial Public Class ManageUsersControl
Inherits System.Web.UI.UserControl
Dim auth As AuthenticationSection
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
Users.DataBind()
End Sub
End Class
Public Class Users
Private sName As String
Private sPassword As String
Public Sub New()
End Sub
Public Sub New(ByVal nm As String, ByVal pass As String)
Name = nm
Password = pass
End Sub
Public Property Name() As String
Get
Return sName
End Get
Set(ByVal value As String)
sName = value
End Set
End Property
Public Property Password() As String
Get
Return sPassword
End Get
Set(ByVal value As String)
sPassword = value
End Set
End Property
End Class
Public Class UserData
Dim auth As AuthenticationSection
Shared userTable As List(Of Users)
Public Sub New()
auth = CType(WebConfigurationManager.GetSection("system.web/authentication"), AuthenticationSection)
End Sub
Public Function CreateData() As List(Of Users)
Dim dt As New List(Of Users)
For Each user As FormsAuthenticationUser In auth.Forms.Credentials.Users
dt.Add(New Users(user.Name, user.Password))
Next
userTable = dt
Return userTable
End Function
Public Function SelectMethod() As List(Of Users)
If userTable Is Nothing Then
Return CreateData()
Else
Return userTable
End If
End Function
Public Function UpdateMethod(ByVal userInfo As Users) As Integer
Dim user As FormsAuthenticationUser = auth.Forms.Credentials.Users(userInfo.Name)
Dim pass As String
Dim sha As New SHA1CryptoServiceProvider()
Dim enc As New System.Text.ASCIIEncoding()
pass = enc.GetString(sha.ComputeHash(enc.GetBytes(userInfo.Password)))
userTable.Add(New Users(userInfo.Name, pass))
user.Password = pass
Return 1
End Function
End Class
以及标记:
<%@ Control Language="vb" AutoEventWireup="false" CodeBehind="ManageUsers.ascx.vb" Inherits="mystuff.ManageUsersControl" %>
<asp:GridView ID="Users" runat="server" AutoGenerateColumns="False"
AutoGenerateEditButton="True" AutoGenerateDeleteButton="True"
DataSourceID="UsersData">
<Columns>
<asp:BoundField DataField="Name" HeaderText="User Name" />
<asp:TemplateField HeaderText="Password" >
<InsertItemTemplate>
<asp:TextBox runat="server" ID="InsertPassword" Text='<%# Bind("Password") %>' />
</InsertItemTemplate>
<EditItemTemplate>
<asp:TextBox runat="server" ID="EditPassword" Text='<%# Bind("Password") %>' />
</EditItemTemplate>
<ItemTemplate>
<asp:Label runat="server">*****</asp:Label>
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
<asp:ObjectDataSource ID="UsersData"
DataObjectTypeName="mystuff.Users"
UpdateMethod="UpdateMethod"
SelectMethod="SelectMethod"
TypeName="mystuff.UserData"
runat="server"
OldValuesParameterFormatString="original_{0}"></asp:ObjectDataSource>
*****
刚刚找到了解决方案
Partial Public Class ManageUsersControl
Inherits System.Web.UI.UserControl
Dim auth As AuthenticationSection
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
If Not IsPostBack Then Users.DataBind()
End Sub
End Class
此外,您还发现在应用程序执行期间无法编辑用户