formview

问题 I have a formview which using objectdatasource and default mode = insert... but after I inserted item if you refresh page inserting again and again....I tried Is.postback control but couldnt prevent this.Is there anyway to do it ? 回答1: That is a common fundamental problem, which is a little harder to solve. There are a couple of ways to deal with it. You could use a means to detecting a page refresh, like this: http://www.codeproject.com/Articles/68371/Detecting-Refresh-or-Postback-in-ASP-NET

问题 How do you locate controls from the codebehind when switching modes in a FormView? It looks like you can't use FindControl during the Page_Load event, since it will be searching for controls in the previously shown template rather than the newly selected one. I suspect you can't rely on the PageLoad alone but have to find controls within another event, like OnDataBound, but should you really HAVE to do that? I've seen several formviews in my day that lack events like OnDataBound... More

问题 I have a form view with an item template with a control inside, is it possible to access that control OnDatabound so I can bind the control with data. I'm using a panel as an example here. <cc1:LOEDFormView ID="FireFormView" runat="server" DataSourceID="DataSourceResults" CssClass="EditForm" DataKeyNames="id" OnDatabound="FireFromView_Databound"> <ItemTemplate> <asp:Panel ID ="pnl" runat="server"></asp:Panel> </ItemTemplate> </cc1:LOEDFormView> 回答1: You have to take care the item mode as well

问题 My form isn't saving the models that I need it to. My form: class RewardForm(forms.Form): quantity = forms.IntegerField(max_value=10, min_value=1, label=_('quantity'), initial=1) reward = forms.CharField(max_length=50, label=_('reward')) reward_denomination = forms.ModelChoiceField(queryset=Reward_Denomination.objects.all(), widget=forms.RadioSelect) def clean_reward(self): data = self.cleaned_data.get('reward') try: reward = Reward.objects.get(reward_name=data) except ObjectDoesNotExist:

问题 I'm trying to get data from SQL Server and use it in a formview, but the formview control won't get any data from the datasource. (The datasource gets parameter on page load) Output is just: "There is nothing to see here" and an empty table. Here is the datasource and formview tags: <asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:igroup20_test2ConnectionString %>" SelectCommand="SELECT * FROM [member] where ([id] = @idd)"> <SelectParameters> <asp

问题 I need find this <a> tag resided in a FormView control, I need to remove this a tag depending on the condition but I can't find it using FormView.FindControl method <asp:UpdatePanel ID="upDiscipline" runat="server"> <ContentTemplate> <asp:FormView ID="fvMediaIntro" runat="server"> <ItemTemplate> <div class="clipControls"> <a runat="server" id="iNeedToFindThis" href="#">here</a> </div> </ItemTemplate> </ContentTemplate> </asp:UpdatePanel> I tried fvMediaIntro.FindControl() and fvMediaIntro.Row

问题 I've got a formview whose load event just decided to stop working. I did some debugging and noticed that it was reaching the code, but for whatever reason, the attributes that I am adding in the load event are no longer displaying on the screen. It's as if something is happening after the formview's load event that is reloading it without any of my extra attributes. The only modification that I have done before it stopped working is that I added a session variable in the page before it. That

问题 Using Visual Web Developer Express 2010 with ASP.NET 4.0. I have a FormView and I want to set a default value from the database. I can't get it to bind to the value in the database. My FormView looks like this: <asp:FormView ID="frmOrderDetails" DataSourceID="sdsFormOrderDetails" runat="server" DataKeyNames="orderId"> <EditItemTemplate> <h3>Edit Order Details</h3> <asp:Label ID="lblStrategy" Text="Strategy:" AssociatedControlID="ddlStrategies" runat="server" /> <asp:DropDownList SelectedValue

问题 I am trying to use a separate webpage to generate HTML that can be returned via AJAX to another webpage to update a panel. However, I cannot find a way to access the rendered HTML to return via Response.Write(...). My webpage code is as follows: <%@ Page Language="C#" AutoEventWireup="true" CodeFile="WarehouseDetails.aspx.cs" Inherits="WarehouseDetails" %> <!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <title></title> </head> <body> <form id="frmMain" runat=

问题 I want to put the current date in my formview 'dateadded' but its not showing when I load it in the browser. I'm using code behind but how can I display it with date and time? Here's a my code behind. using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; namespace LibrarySystem.AdminPage { public partial class ManageBooks : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { if