插入后 ASP.NET DetailsView 返回空白

Question

我有两个页面：第一个是绑定到 DataSet 的 gridview，第二个页面是绑定到用于编辑和插入的 DataSet 的 DetailsView。

在详细信息视图页面上插入后，我想重定向到 GridView 页面。

if (Request.QueryString["Id"] == null)
{
    //prevPage = Request.UrlReferrer.ToString();
    if (!IsPostBack)
    {
        DetailsView1.ChangeMode(DetailsViewMode.Insert);
    }

详细信息页面允许正确插入新记录，但保存后返回空白页；我怎样才能返回到更新的gridview页面？

我尝试使用 DetailsView 的 ItemInserted 事件，但它根本不触发。

更新：

按照建议，我添加以下代码：

protected void DetailsView1_ItemInserted(object sender, DetailsViewInsertedEventArgs e)
{
    Response.Redirect("ms_Ticket.aspx");
}

（ms_Ticket 是 gridview 页面），但插入继续返回空白详细信息视图。

更新：

这是详细信息页面的代码隐藏：

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace Rise_cs.Ticket
{
    public partial class WebForm4 : System.Web.UI.Page
    {
        static string prevPage = String.Empty;

        protected void Page_Load(object sender, EventArgs e)
        {

            if (!IsPostBack)
            {
                if (!(Request.UrlReferrer == null))
                {
                    prevPage = Request.UrlReferrer.ToString();
                }
            }

            if (Request.QueryString["Id"] == null)
            {
                //prevPage = Request.UrlReferrer.ToString();
                if (!IsPostBack)
                {
                    DetailsView1.ChangeMode(DetailsViewMode.Insert);
                }



            }


        }

        protected void DetailsView1_ItemInserted(object sender, DetailsViewInsertedEventArgs e)
        {
            Response.Redirect("ms_Ticket.aspx");
        }




    }
}

这是设计：

//------------------------------------------------------------------------------
// <generato automaticamente>
//     Codice generato da uno strumento.
//
//     Le modifiche a questo file possono causare un comportamento non corretto e verranno perse se
//     il codice viene rigenerato. 
// </generato automaticamente>
//------------------------------------------------------------------------------

namespace Rise_cs.Ticket {


    public partial class WebForm4 {

        /// <summary>
        /// Controllo DetailsView1.
        /// </summary>
        /// <remarks>
        /// Campo generato automaticamente.
        /// Per la modifica, spostare la dichiarazione di campo dal file di progettazione al file code-behind.
        /// </remarks>
        protected global::System.Web.UI.WebControls.DetailsView DetailsView1;

        /// <summary>
        /// Controllo SqlDataSource1.
        /// </summary>
        /// <remarks>
        /// Campo generato automaticamente.
        /// Per la modifica, spostare la dichiarazione di campo dal file di progettazione al file code-behind.
        /// </remarks>
        protected global::System.Web.UI.WebControls.SqlDataSource SqlDataSource1;
    }
}

更新：

这是完整的表单代码：

<%@ Page Title="" Language="C#" MasterPageFile="~/Site.Master" AutoEventWireup="true" CodeBehind="dt_TicketRiga.aspx.cs" Inherits="Rise_cs.Ticket.WebForm4" %>
<asp:Content ID="Content1" ContentPlaceHolderID="HeadContent" runat="server">
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="MainContent" runat="server">
    <asp:DetailsView ID="DetailsView1" runat="server" AutoGenerateRows="False" 
        DataKeyNames="Id" DataSourceID="SqlDataSource1" Height="50px" Width="125px">
        <Fields>
            <asp:BoundField DataField="Id" HeaderText="Id" InsertVisible="False" 
                ReadOnly="True" SortExpression="Id" />
            <asp:TemplateField HeaderText="TicketId" SortExpression="TicketId">
                <EditItemTemplate>
                    <asp:TextBox ID="TextBox1" runat="server" Text='<%# Bind("TicketId") %>'></asp:TextBox>
                </EditItemTemplate>
                <InsertItemTemplate>


                    <asp:Label ID="Label3" runat="server" 
                        Text='<%# Request.QueryString["TicketId"] %>'></asp:Label>

                </InsertItemTemplate>
                <ItemTemplate>
                    <asp:Label ID="Label1" runat="server" Text='<%# Bind("TicketId") %>'></asp:Label>
                </ItemTemplate>
            </asp:TemplateField>
            <asp:BoundField DataField="Data" HeaderText="Data" SortExpression="Data" />
            <asp:BoundField DataField="Ora" HeaderText="Ora" SortExpression="Ora" />
            <asp:BoundField DataField="OperatoreId" HeaderText="OperatoreId" 
                SortExpression="OperatoreId" />
            <asp:BoundField DataField="Referente" HeaderText="Referente" 
                SortExpression="Referente" />
            <asp:BoundField DataField="ModalitaContattoId" HeaderText="ModalitaContattoId" 
                SortExpression="ModalitaContattoId" />
            <asp:BoundField DataField="Descrizione" HeaderText="Descrizione" 
                SortExpression="Descrizione" />
            <asp:TemplateField ShowHeader="False">
                <EditItemTemplate>
                    <asp:LinkButton ID="LinkButton1" runat="server" CausesValidation="True" 
                        CommandName="Update" Text="Aggiorna"></asp:LinkButton>
                    &nbsp;<asp:LinkButton ID="LinkButton2" runat="server" CausesValidation="False" 
                        CommandName="Cancel" Text="Annulla"></asp:LinkButton>
                </EditItemTemplate>
                <InsertItemTemplate>
                    <asp:LinkButton ID="LinkButton1" runat="server" CausesValidation="True" 
                        CommandName="Insert" onclick="LinkButton1_Click" Text="Inserisci"></asp:LinkButton>
                    &nbsp;<asp:LinkButton ID="LinkButton2" runat="server" CausesValidation="False" 
                        CommandName="Cancel" Text="Annulla"></asp:LinkButton>
                </InsertItemTemplate>
                <ItemTemplate>
                    <asp:LinkButton ID="LinkButton1" runat="server" CausesValidation="False" 
                        CommandName="Edit" Text="Modifica"></asp:LinkButton>
                    &nbsp;<asp:LinkButton ID="LinkButton2" runat="server" CausesValidation="False" 
                        CommandName="New" Text="Nuovo"></asp:LinkButton>
                    &nbsp;<asp:LinkButton ID="LinkButton3" runat="server" CausesValidation="False" 
                        CommandName="Delete" Text="Elimina"></asp:LinkButton>
                </ItemTemplate>
            </asp:TemplateField>
        </Fields>
    </asp:DetailsView>
    <asp:SqlDataSource ID="SqlDataSource1" runat="server" 
        ConnectionString="<%$ ConnectionStrings:GONGConnectionString1 %>" 
        DeleteCommand="DELETE FROM [TicketRighe] WHERE [Id] = @Id" 
        InsertCommand="INSERT INTO [TicketRighe] ([TicketId], [Data], [Ora], [OperatoreId], [Referente], [ModalitaContattoId], [Descrizione]) VALUES (@TicketId, @Data, @Ora, @OperatoreId, @Referente, @ModalitaContattoId, @Descrizione)" 
        SelectCommand="SELECT * FROM [TicketRighe] WHERE (([Id] = @Id) AND ([TicketId] = @TicketId))" 
        UpdateCommand="UPDATE [TicketRighe] SET [TicketId] = @TicketId, [Data] = @Data, [Ora] = @Ora, [OperatoreId] = @OperatoreId, [Referente] = @Referente, [ModalitaContattoId] = @ModalitaContattoId, [Descrizione] = @Descrizione WHERE [Id] = @Id">
        <DeleteParameters>
            <asp:Parameter Name="Id" Type="Int32" />
        </DeleteParameters>
        <InsertParameters>
            <asp:QueryStringParameter Name="TicketId" QueryStringField="TicketId" 
                Type="Int32" />
            <asp:Parameter Name="Data" Type="DateTime" />
            <asp:Parameter Name="Ora" Type="DateTime" />
            <asp:Parameter Name="OperatoreId" Type="Int32" />
            <asp:Parameter Name="Referente" Type="String" />
            <asp:Parameter Name="ModalitaContattoId" Type="Int32" />
            <asp:Parameter Name="Descrizione" Type="String" />
        </InsertParameters>
        <SelectParameters>
            <asp:QueryStringParameter Name="Id" QueryStringField="Id" Type="Int32" />
            <asp:QueryStringParameter Name="TicketId" QueryStringField="TicketId" 
                Type="Int32" />
        </SelectParameters>
        <UpdateParameters>
            <asp:Parameter Name="TicketId" Type="Int32" />
            <asp:Parameter Name="Data" Type="DateTime" />
            <asp:Parameter Name="Ora" Type="DateTime" />
            <asp:Parameter Name="OperatoreId" Type="Int32" />
            <asp:Parameter Name="Referente" Type="String" />
            <asp:Parameter Name="ModalitaContattoId" Type="Int32" />
            <asp:Parameter Name="Descrizione" Type="String" />
            <asp:Parameter Name="Id" Type="Int32" />
        </UpdateParameters>
    </asp:SqlDataSource>
</asp:Content>

Answer 1

你能试试这个并让我知道吗？

 protected void dtv_ItemInserted(object sender, DetailsViewInsertedEventArgs e)
{
     Response.Redirect("page.aspx");
}

编辑：将此替换

 <asp:DetailsView ID="DetailsView1" runat="server" AutoGenerateRows="False" 
    DataKeyNames="Id" DataSourceID="SqlDataSource1" Height="50px" Width="125px">

为

<asp:DetailsView ID="DetailsView1" runat="server" AutoGenerateRows="False" DataKeyNames="Id"
            DataSourceID="SqlDataSource1" Height="50px" Width="125px" OnItemInserted="DetailsView1_ItemInserted">
        </asp:DetailsView>

，因为您忘记将事件附加到详细信息视图 OnItemInserted="DetailsView1_ItemInserted"

Answer 2

我有同样的问题！经过一些调试后，我意识到在发布后 DetailViewMode 又回到了插入模式（我在 aspx 文件中定义的默认模式）。为了保证保存的值在更新操作后可见，我必须调用 Changemode 来保证 DetailView 保持在 EditMode 上。