我在几个地方发现了这个问题,但没有解决方法...
我在gridview中有一个复选框:
<asp:TemplateField HeaderText="Closed?">
<ItemTemplate >
<asp:CheckBox ID="Status_CB" runat="server" AutoPostBack="true"
OnCheckedChanged="Status_CB_CheckedChanged"
EnableViewState="true" ViewStateMode="Enabled"
Checked='<%# Convert.ToString(Eval("cStatus")) == "1" ? true : false %>'/>
</ItemTemplate>
</asp:TemplateField>
代码隐藏:
protected void Page_Load(object sender, EventArgs e) {
if (!int.TryParse(Session["FacilityID"].ToString(), out FId)) {
FId = 0;
}
if (!Page.IsPostBack) {
if (!string.IsNullOrEmpty(Request.QueryString.Get("WorkCenter"))) {
wc = Request.QueryString.Get("WorkCenter");
WorkcenterHeader.InnerText = wc + " Schedule ";
HiddenWorkCenter.Value = c;
}
if (!SQLHasData()) {
SavePrioritiesToSQL();
}
BindGrid();
}
}
protected void Status_CB_CheckedChanged(object sender, EventArgs e) {
CheckBox cb = (CheckBox)sender;
GridViewRow row = (GridViewRow) cb.Parent.Parent;
}
当我最初选中该框时,它可以工作。当我取消选中它时,我在Status_CB_CheckedChanged第一行上的断点根本不会触发。
我想念一个人吗?
更新-这是表,它是嵌套的。我不知道这是否是它不会在取消选中时调用回发的原因...
更新-好的,我放弃了,这一定是asp中嵌套gridview的错误,因此,如果您有嵌套gridview,建议不要使用复选框。我将我的状态切换为cStatus“打开”或“关闭”的文本字段,并使用带有命令参数的按钮作为行索引:
<asp:GridView ID="JobInfo_GV" runat="server" AutoGenerateColumns="false" CssClass="ChildGrid2" OnRowCommand="JobInfo_GV_RowCommand">
<asp:BoundField DataField="cStatus" HeaderText="Status" ReadOnly="True" HeaderStyle-CssClass="center-row" ItemStyle-CssClass="center-row"/>
<asp:TemplateField HeaderText="Update">
<ItemTemplate >
<asp:Button id="UpdateClosed" commandname="Select" buttontype="button" Text="ToggleStatus" runat="server" CommandArgument='<%# Container.DataItemIndex %>'/>
</ItemTemplate>
</asp:TemplateField>
然后使用C#:
protected void JobInfo_GV_RowCommand(object sender, GridViewCommandEventArgs e) {
var grid = (GridView)sender;
var errorMessage = string.Empty;
if (grid != null) {
int index = 0;
if (int.TryParse(e.CommandArgument.ToString(), out index) ){
GridViewRow row = grid.Rows[index];
答案 0 :(得分:1)
我刚刚创建了一个项目,并在其中重复使用了您的代码。 它可以按您期望的那样工作:
注意,您需要为AutoPostBack="true"
控件设置Checkbox
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="WebApplication1.Default" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:GridView ID="GV" runat="server" AutoGenerateColumns="false">
<Columns>
<asp:BoundField DataField="Name" HeaderText="Name">
</asp:BoundField>
<asp:TemplateField HeaderText="Closed?">
<ItemTemplate>
<asp:CheckBox ID="Status_CB" runat="server" AutoPostBack="true"
OnCheckedChanged="Status_CB_CheckedChanged"
EnableViewState="true" ViewStateMode="Enabled"
Checked='<%# Convert.ToString(Eval("cStatus")) == "1" ? true : false %>' />
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
</div>
</form>
</body>
</html>
以及后面的代码:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
namespace WebApplication1
{
public partial class Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
BindGrid();
}
public class DataS
{
public int cStatus { get; set; }
public string Name { get; set; }
}
private void BindGrid()
{
List<DataS> list = new List<DataS>() { new DataS() { Name = "Name1", cStatus = 1 }, new DataS() { Name = "Name2", cStatus = 1 }, new DataS() { Name = "Name3", cStatus = 0 } };
GV.DataSource = list;
GV.DataBind();
}
protected void Status_CB_CheckedChanged(object sender, EventArgs e)
{
CheckBox cb = (CheckBox)sender;
GridViewRow row = (GridViewRow)cb.Parent.Parent;
}
}
}