问题描述
所以，我的问题是，在这种情况下，我想在单击每个按钮时更新中继器，但是我希望它们执行不同的功能，所以我将EventHandlers传递给我的Update函数。不幸的是，面板更新一次后，面板返回到之前的状态并且我的按钮的事件不会触发。在这种情况下，RepeaterMinorControl_Click确实会被调用，但是之后按钮的事件不会触发。每个按钮都执行AsyncPostback。
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="10G.aspx.cs" Inherits="OEDUY.Grades._10._10G" ClientIDMode="AutoID" %>
<!DOCTYPE html>
<html xmlns="[http://www.w3.org/1999/xhtml](http://www.w3.org/1999/xhtml)">
<head runat="server">
<title></title>
<link rel="stylesheet" href="../../FormsStyleSheets/StyleSheets/10G.css" />
</head>
<body>
<form id="form1" runat="server">
<div class="titleDiv">
<span></span>
</div>
<asp:ScriptManager runat="server" ID="scriptManager"></asp:ScriptManager>
<asp:UpdatePanel runat="server" UpdateMode="Conditional" ID="updatePFB">
<ContentTemplate>
<asp:Repeater runat="server" ID="buttonRepeater">
</asp:Repeater>
</ContentTemplate>
<Triggers>
<asp:AsyncPostBackTrigger ControlID="buttonRepeater" />
</Triggers>
</asp:UpdatePanel>
</form>
</body>
</html>
这是C＃代码：
string mainPath;
string currentMinorKey;
string currentLessonKey;
string currentSeasonKey;
protected void Page_Load(object sender,EventArgs e)
{
mainPath = Context.Request.MapPath("~");
string[] dirs = Core.Core.DirectoryController.GetSubDirectories($"{mainPath}Grades\\10");
var req = Request.Form;
FillButtonRepeater(dirs,new Action<object,EventArgs>(RepeaterMinorControl_Click));
}
protected void FillButtonRepeater(string[] Values,Action<object,EventArgs> ButtonAction)
{
buttonRepeater.Controls.Clear();
foreach (string item in Values)
{
Button control = new Button() { Text = Core.Core.DirectoryNameController.GetValue(item),CssClass = "btns",ID = $"{item}btn",UseSubmitBehavior = false };
control.Click += ButtonAction.Invoke;
buttonRepeater.Controls.Add(control);
}
}
private void RepeaterMinorControl_Click(object sender,EventArgs e)
{
currentMinorKey = Core.Core.DirectoryNameController.GetKey((sender as Button).Text);
string[] dirs = Core.Core.DirectoryController.GetSubDirectories($"{mainPath}Grades\\10\\{currentMinorKey}");
FillButtonRepeater(dirs,EventArgs>(RepeaterLessonControl_Click));
}
private void RepeaterLessonControl_Click(object sender,EventArgs e)
{
currentLessonKey = (sender as Button).Text;
string[] dirs = Core.Core.DirectoryController.GetSubDirectories($"{mainPath}Grades\\10\\{currentMinorKey}\\{currentLessonKey}");
FillButtonRepeater(dirs,EventArgs>(RepeaterSeasonControl_Click));
}
private void RepeaterSeasonControl_Click(object sender,EventArgs e)
{
currentSeasonKey = Core.Core.DirectoryNameController.GetKey((sender as Button).Text);
string[] dirs = Core.Core.DirectoryController.GetSubDirectories($"{mainPath}Grades\\10\\{currentMinorKey}\\{currentLessonKey}\\Seasons\\{currentSeasonKey}");
FillButtonRepeater(dirs,EventArgs>(RepeaterControlDirectory_Click));
}
private void RepeaterControlDirectory_Click(object sender,EventArgs e)
{
}
解决方法
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