我正在尝试创建一个使用列表的radlistview来获取它的数据源。我正在尝试在此列表视图中编写CRUD功能。无论我做什么，我都无法通过某些奇怪的原因来展示InsertItemTemplate。
form1.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm2.aspx.cs" Inherits="ISEMAILAPP.WebForm2" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<telerik:RadScriptManager ID="RadScriptManager1" runat="server">
<Scripts>
<asp:ScriptReference Assembly="Telerik.Web.UI" Name="Telerik.Web.UI.Common.Core.js">
</asp:ScriptReference>
<asp:ScriptReference Assembly="Telerik.Web.UI" Name="Telerik.Web.UI.Common.jQuery.js">
</asp:ScriptReference>
<asp:ScriptReference Assembly="Telerik.Web.UI" Name="Telerik.Web.UI.Common.jQueryInclude.js">
</asp:ScriptReference>
</Scripts>
</telerik:RadScriptManager>
<telerik:RadAjaxPanel ID="RadAjaxPanel1" runat="server" >
<telerik:RadListView ID="messagelist" ItemPlaceholderID="itemPlaceholder" runat="server" onitemcommand="messagelist_ItemCommand" InsertItemPosition="LastItem">
<LayoutTemplate>
<table id="Table1" runat="server">
<tr id="Tr1" runat="server">
<th> </th>
<th>Start</th>
<th>End</th>
<th>Subject</th>
<th>Message</th>
</tr>
<tr runat="server" id="itemPlaceholder"></tr>
</table>
</LayoutTemplate>
<EmptyDataTemplate>
<table id="Table1" runat="server">
<tr id="Tr1" runat="server">
<th> </th>
<th>emptyStart</th>
<th>End</th>
<th>Subject</th>
<th>Message</th>
</tr>
<tr runat="server" id="itemPlaceholder"></tr>
</table>
</EmptyDataTemplate>
<ItemTemplate>
<tr>
<td><asp:Button ID="btnEdit" runat="server" Text="Edit" CommandName="Edit" AutoPostback="true" ></asp:Button> <telerik:RadButton ID="deletebutton" runat="server" Text="Delete"
AutoPostBack="true" CommandName="Delete" > </telerik:RadButton></td>
<td>
<asp:Label runat="server" ID="startdate" Text='<%# Eval("Start") %>' />
</td>
<td>
<asp:Label runat="server" ID="enddate" Text='<%# Eval("End") %>' />
</td>
<td>
<asp:Label runat="server" ID="subjectline" Text='<%# Eval("Subject") %>' />
</td>
<td>
<asp:Label runat="server" ID="messageline" Text='<%# Eval("Message") %>' />
</td>
</tr>
</ItemTemplate>
<EditItemTemplate>
<tr style="background-color:Gray;">
<td><telerik:RadButton ID="savebutton" runat="server" Text="Save"
AutoPostBack="true" CommandName="Update" > </telerik:RadButton>
<asp:Button ID="BtnCancel" runat="server" Text="Cancel" CommandName="Cancel" CausesValidation="false"
Width="70px" /></td>
<td>
<telerik:RadDateTimePicker ID="startdate" runat="server" SelectedDate='<%# Bind("Start") %>' ></telerik:RadDateTimePicker>
</td>
<td>
<telerik:RadDateTimePicker ID="enddate" runat="server" SelectedDate='<%# Bind("End") %>' ></telerik:RadDateTimePicker>
</td>
<td>
<asp:TextBox ID="subjectline" runat="server" Text='<%# Bind("Subject") %>'></asp:TextBox>
</td>
<td>
<telerik:RadEditor Content='<%# Bind("Message") %>' ID="messageline" runat="server" ></telerik:RadEditor>
</td>
</tr>
</EditItemTemplate>
<InsertItemTemplate>
<tr >
<td><telerik:RadButton ID="insertbutton" runat="server" Text="Add New"
AutoPostBack="true" CommandName="Insert" > </telerik:RadButton>
<asp:Button ID="BtnCancel" runat="server" Text="Cancel" CommandName="Cancel" CausesValidation="false"
Width="70px" /></td>
<td>
<telerik:RadDateTimePicker ID="startdate" runat="server" ></telerik:RadDateTimePicker>
</td>
<td>
<telerik:RadDateTimePicker ID="enddate" runat="server" ></telerik:RadDateTimePicker>
</td>
<td>
<asp:TextBox ID="subjectline" runat="server" ></asp:TextBox>
</td>
<td>
<telerik:RadEditor ID="messageline" runat="server" ></telerik:RadEditor>
</td>
</tr>
</InsertItemTemplate>
</telerik:RadListView>
</telerik:RadAjaxPanel>
</form>
</body>
</html>
form1.aspx.cs
using System;
using System.Collections.Generic;
using System.Configuration;
using System.IO;
using System.Net.Mail;
using System.Web.UI;
using System.Web.UI.WebControls;
using Telerik.Web.UI;
namespace ISEMAILAPP
{
public partial class WebForm2 : System.Web.UI.Page
{
string messageKey = "messages";
protected void Page_Load(object sender, EventArgs e)
{
messagelist.InsertItemPosition = RadListViewInsertItemPosition.LastItem;
if (!Page.IsPostBack)
{
// If the session variable is empty, initialize an
// empty list as the datasource
if (Session[messageKey] == null)
{
Session[messageKey] = new List<mEvent>();
}
foreach (RadListViewDataItem item in messagelist.Items)
{
item.Edit = true;
}
BindList();
}
}
private void BindList()
{
messagelist.DataSource = null;
messagelist.DataSource = (List<mEvent>)Session[messageKey];
messagelist.InsertItemPosition = RadListViewInsertItemPosition.LastItem;
messagelist.DataBind();
}
protected void Button1_Click(object sender, EventArgs e)
{/*
DateTime start = this.start.SelectedDate.Value;
DateTime end = this.end.SelectedDate.Value;
string s = subject.Text;
string m = message.Content;
// Grab the current list from the session and add the
// currently selected DropDown item to it.
List<mEvent> messages = (List<mEvent>)Session[messageKey];
messages.Add(new mEvent(start,end,s,m));
subject.Text = string.Empty;
message.Content = string.Empty;
this.start.Clear();
this.end.Clear();
BindList();
* */
}
private void UpdateBindList()
{
// messagelist.DataSource = null;
messagelist.DataSource = (List<mEvent>)Session[messageKey];
messagelist.InsertItemPosition = RadListViewInsertItemPosition.FirstItem;
messagelist.Rebind();
}
// Basic author object, used for databinding
private class mEvent
{
public DateTime Start { get; set; }
public DateTime End { get; set; }
public String Subject { get; set; }
public String Message { get; set; }
public mEvent(DateTime start, DateTime end, string subject, string message)
{
Start = start;
End = end;
Subject = subject;
Message = message;
}
}
private string PopulateBody(string AppliesTo, string MtypeColor, string MtypeText, string Message)
{
var subjects = new List<string>();
var messages = new List<string>();
string body = string.Empty;
string dateString = DateTime.Today.ToShortDateString();
foreach (RadListViewDataItem item in messagelist.Items)
{
string currSubject = string.Empty;
string currMessage = string.Empty;
Label subject = (Label)item.FindControl("subjectline");
Label message = (Label)item.FindControl("messageline");
currSubject = subject.Text;
currMessage = message.Text;
subjects.Add(currSubject);
messages.Add(currMessage);
}
using (StreamReader reader = new StreamReader(Server.MapPath("~/emailtemplate.htm")))
{
body = reader.ReadToEnd();
}
body = body.Replace("{CurrentDate}", dateString);
//body = body.Replace("{AppliesTo}", AppliesTo);
// body = body.Replace("{MtypeColor}", MtypeColor);
//body = body.Replace("{MtypeText}", MtypeText);
body = body.Replace("{Message}", Message);
return body;
}
private void SendHtmlFormattedEmail(string recepientEmail, string subject, string body)
{
using (MailMessage mailMessage = new MailMessage())
{
mailMessage.From = new MailAddress(ConfigurationManager.AppSettings["UserName"]);
mailMessage.Subject = subject;
mailMessage.Body = body;
mailMessage.IsBodyHtml = true;
mailMessage.To.Add(new MailAddress(recepientEmail));
SmtpClient smtp = new SmtpClient();
smtp.Host = ConfigurationManager.AppSettings["Host"];
// smtp.EnableSsl = Convert.ToBoolean(ConfigurationManager.AppSettings["EnableSsl"]);
System.Net.NetworkCredential NetworkCred = new System.Net.NetworkCredential();
// NetworkCred.UserName = ConfigurationManager.AppSettings["UserName"];
//NetworkCred.Password = ConfigurationManager.AppSettings["Password"];
smtp.UseDefaultCredentials = true;
//smtp.Credentials = NetworkCred;
smtp.Port = int.Parse(ConfigurationManager.AppSettings["Port"]);
smtp.Send(mailMessage);
}
}
protected void SendEmail(object sender, EventArgs e)
{
/* string AppliesTo = TextBox2.Text;
string Message = RadEditor1.Content;
string MtypeColor = "#008AB0";
string MtypeText = "General Broadcast";
string Subject = TextBox1.Text;
string body = this.PopulateBody(AppliesTo,MtypeColor, MtypeText, Message);
this.SendHtmlFormattedEmail("zzz@zzz.org", Subject, body);
* */
}
protected void messagelist_ItemCommand(object sender, RadListViewCommandEventArgs e)
{
if (e.CommandName == RadListView.EditCommandName)
{
BindList();
//messagelist.InsertItemPosition = RadListViewInsertItemPosition.None;
}
else if (e.CommandName == RadListView.CancelCommandName)
{
//cancel action
}
else if (e.CommandName == RadListView.UpdateCommandName)
{
//Perform the update
RadListViewEditableItem curItem = (RadListViewEditableItem)e.ListViewItem;
int curItemIndex = curItem.DisplayIndex;
RadDateTimePicker dtpStart = (RadDateTimePicker)curItem.FindControl("startdate");
RadDateTimePicker dtpEnd = (RadDateTimePicker)curItem.FindControl("enddate");
TextBox txtBoxSubject = (TextBox)curItem.FindControl("subjectline");
RadEditor reMessage = (RadEditor)curItem.FindControl("messageline");
DateTime start = dtpStart.SelectedDate.Value;
DateTime end = dtpEnd.SelectedDate.Value;
string s = txtBoxSubject.Text;
string m = reMessage.Content;
// Grab the current list from the session and add the
// currently selected DropDown item to it.
List<mEvent> messages = (List<mEvent>)Session[messageKey];
messages[curItemIndex] = new mEvent(start, end, s, m);
// messages.Add(new mEvent(start, end, s, m));
// subject.Text = string.Empty;
// message.Content = string.Empty;
// this.start.Clear();
// this.end.Clear();
UpdateBindList();
}
else if (e.CommandName == RadListView.PerformInsertCommandName)
{
//Perform the insert
RadListViewEditableItem curItem = (RadListViewEditableItem)e.ListViewItem;
int curItemIndex = curItem.DisplayIndex;
RadDateTimePicker dtpStart = (RadDateTimePicker)curItem.FindControl("startdate");
RadDateTimePicker dtpEnd = (RadDateTimePicker)curItem.FindControl("enddate");
TextBox txtBoxSubject = (TextBox)curItem.FindControl("subjectline");
RadEditor reMessage = (RadEditor)curItem.FindControl("messageline");
DateTime start = dtpStart.SelectedDate.Value;
DateTime end = dtpEnd.SelectedDate.Value;
string s = txtBoxSubject.Text;
string m = reMessage.Content;
// Grab the current list from the session and add the
// currently selected DropDown item to it.
List<mEvent> messages = (List<mEvent>)Session[messageKey];
messages[curItemIndex] = new mEvent(start, end, s, m);
// messages.Add(new mEvent(start, end, s, m));
// subject.Text = string.Empty;
// message.Content = string.Empty;
// this.start.Clear();
// this.end.Clear();
messagelist.DataSource = null;
messagelist.DataSource = (List<mEvent>)Session[messageKey];
messagelist.DataBind();
}
else if (e.CommandName == RadListView.DeleteCommandName)
{
//Perform the Delete
RadListViewEditableItem curItem = (RadListViewEditableItem)e.ListViewItem;
int curItemIndex = curItem.DisplayIndex;
// Grab the current list from the session and add the
// currently selected DropDown item to it.
List<mEvent> messages = (List<mEvent>)Session[messageKey];
messages.RemoveAt(curItemIndex);
// messages.Add(new mEvent(start, end, s, m));
// subject.Text = string.Empty;
// message.Content = string.Empty;
// this.start.Clear();
// this.end.Clear();
messagelist.DataSource = null;
messagelist.DataSource = (List<mEvent>)Session[messageKey];
messagelist.DataBind();
}
}
}
}