C# Listview项目编辑不起作用
我不知道为什么会出现这个错误,但我认为我的代码是正确的 HTML 堆栈跟踪: [InvalidOperationException:ListView'lvwData'引发事件 未处理的项目编辑。] System.Web.UI.WebControls.ListView.OnItemEditing(ListViewEditEventArgs e) +305573 System.Web.UI.WebControl.ListView.HandleEdit(Int32 项目索引)+51 System.Web.UI.WebControl.ListView.HandleEvent(EventArgs e,布尔值 原因验证,字符串验证组)+324 System.Web.UI.WebControl.ListView.OnBubbleEvent(对象源, EventArgs e)+227 System.Web.UI.Control.RaiseBubbleEvent(对象 源,事件args args)+37 System.Web.UI.WebControl.ListViewDataItem.OnBubbleEvent(对象 来源,事件参数e)+112 System.Web.UI.Control.RaiseBubbleEvent(对象源,EventArgs-args) +37 System.Web.UI.WebControl.LinkButton.OnCommand(CommandEventArgs e)+121 System.Web.UI.WebControl.LinkButton.RaisePostBackEvent(String EventArgum)+156 System.Web.UI.WebControl.LinkButton.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(字符串 事件参数)+10 System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl,字符串eventArgument)+13 System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +9528578 System.Web.UI.Page.ProcessRequestMain(布尔includeStagesBeforeAsyncPoint,布尔IncludeStagesSafterAsyncPoint) +1724年C# Listview项目编辑不起作用,c#,html,asp.net,visual-studio,listview,C#,Html,Asp.net,Visual Studio,Listview,我不知道为什么会出现这个错误,但我认为我的代码是正确的 HTML 堆栈跟踪: [InvalidOperationException:ListView'lvwData'引发事件 未处理的项目编辑。] System.Web.UI.WebControls.ListView.OnItemEditing(ListViewEditEventArgs e) +305573 System.Web.UI.WebControl.ListView.HandleEdit(Int32 项目索引)+51 System.We
我建议您更改命令名 原因:-单击按钮的CommandName为“Edit”,然后它会将ListView置于编辑模式,尝试将CommandName=“Edit”修改为类似“modify”的内容……这太简单了
希望您能理解。很抱歉,我将其lvwData更改为listview1。我想如果我将listview1放在这里,会更容易理解。请在此处也包含错误堆栈跟踪。现在包含堆栈跟踪。。
<asp:ListView ID="lvwData" runat="server" OnItemCommand="Student_OnItemCommand" EnableViewState="true"
DataKeyNames="id">
<LayoutTemplate>
<table class="table-list table-list-gridded" id="dataTable" border="0" cellspacing="0"
cellpadding="5">
<thead>
<th class="id">
ROW #
</th>
<th>
Student ID
</th>
<th>
First Name
</th>
<th>
Last Name
</th>
<th>
Course
</th>
<th class="action">
<span>ACTIONS</span>
</th>
</thead>
<tbody id="itemPlaceholder" runat="server">
</tbody>
</LayoutTemplate>
<ItemTemplate>
<tr>
<td align="center" class="id">
<%# Container.DataItemIndex + 1 %>
</td>
<td>
<asp:Label ID="lblStudentID" runat="server" Text='<%# Eval("student_id") %>' />
</td>
<td>
<asp:Label ID="lblFirstName" runat="server" Text='<%# Eval("firstname") %>' />
</td>
<td>
<asp:Label ID="lblLastName" runat="server" Text='<%# Eval("lastname") %>' />
</td>
<td>
<asp:Label ID="lblCourse" runat="server" Text='<%# Eval("course") %>' />
</td>
<td align="center" class="action">
<asp:LinkButton ID="lnkEdit" class="btn btn-small" Text="Edit" CommandName="Edit"
CommandArgument='<%# Eval("ID") %>' runat="server"><i class="icon-pencil"></i></asp:LinkButton>
<asp:LinkButton ID="DeleteLinkButton" Text="Delete" CommandName="Delete" CommandArgument='<%# Eval("ID") %>'
OnClientClick="return confirm('Are you sure you want to delete this Employee?');"
runat="server" class="btn btn-small"><i class="icon-remove"></i></asp:LinkButton>
</td>
</ItemTemplate>
<EmptyDataTemplate>
<div class="centered alert alert-error">
No list of records to display.
</div>
</EmptyDataTemplate>
</asp:ListView>
protected void Student_OnItemCommand(object sender, ListViewCommandEventArgs e)
{
switch (e.CommandName)
{
case "Delete":
ListViewDataItem dataItem = (ListViewDataItem)e.Item;
string employeeID = lvwData.DataKeys[dataItem.DisplayIndex].Value.ToString();
DBConnect db = new DBConnect();
db.Delete("delete from students where id = '" + employeeID + "'");
Response.Redirect("~/Users/Student.aspx");
break;
case "Edit":
mvStudents.ActiveViewIndex = 1;
break;
}
//if (String.Equals(e.CommandName, "Delete"))
//{
//}
//else if (string.Equals(e.CommandName, "Edit"))
//{
// ListViewDataItem dataItem = (ListViewDataItem)e.Item;
// string employeeID = lvwData.DataKeys[dataItem.DisplayIndex].Value.ToString();
//}
}