<asp:DataList id="Datl" style="Z-INDEX: 101; LEFT: 8px; POSITION: absolute; TOP: 103px" runat="server"
RepeatLayout="Table" Width="440px" RepeatDirection="Horizontal" RepeatColumns="3" CellPadding="5"
CellSpacing="5" Height="233px">
<ItemTemplate>
<SPAN>
<asp:ImageButton id="ImageBtn" CommandName="ImgBtn" CommandArgument="imgbtn" style="WIDTH: 40px; HEIGHT: 37px" Height="32px" Width="32px" ImageUrl="images/folder.png"
Runat="server"></asp:ImageButton><BR>
<BR>
<asp:Label id="lbl" Height="15px" Width="80px" Runat="server" Text='<%# DataBinder.Eval(Container.DataItem,"nodename")%>'>
</asp:Label></SPAN>
</ItemTemplate>
</asp:DataList>
.csusing System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
using System.Configuration;namespace WebProject.common
{
/// <summary>
/// content 的摘要说明。
/// </summary>
public class content : System.Web.UI.Page
{
protected SqlConnection Conn;
protected SqlDataAdapter mycmd;
protected DataSet ds;
protected System.Web.UI.WebControls.DataList Datl;
protected string cmdSelect;
private void Page_Load(object sender, System.EventArgs e)
{
// 在此处放置用户代码以初始化页面
if(!Page.IsPostBack)
{
string id=Request.QueryString["id"];
Conn=new SqlConnection(ConfigurationSettings.AppSettings["SqlConnString"].ToString());
cmdSelect="select * from t_tree where parentid='"+id+"'";
mycmd=new SqlDataAdapter(cmdSelect,Conn);
ds=new DataSet();
mycmd.Fill(ds,"t_tree");
DataView objDataView=new DataView();
objDataView=ds.Tables[0].DefaultView;
Datl.DataSource=objDataView;
Datl.DataBind();
}
}
#region Web 窗体设计器生成的代码
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
//
InitializeComponent();
base.OnInit(e);
}
/// <summary>
/// 设计器支持所需的方法 - 不要使用代码编辑器修改
/// 此方法的内容。
/// </summary>
private void InitializeComponent()
{
this.Load += new System.EventHandler(this.Page_Load); }
#endregion private void Datl_ItemCommand(object sender, DataListCommandEventArgs e)
{
switch (e.CommandName)
{
case "ImgBtn" :
Datl.SelectedIndex=e.Item.ItemIndex;
Label lb=(Label)e.Item.FindControl("lbl");
if (lb!=null)
{
lb.Text="afss";
}
Datl.DataBind();
break;
}
}我怎么用<imagebutton>的onclick事件,来修改发生onclick事件的<imagebutton>和对应的<label>背景属性。谢谢!这个问题三天没有解决了。
RepeatLayout="Table" Width="440px" RepeatDirection="Horizontal" RepeatColumns="3" CellPadding="5"
CellSpacing="5" Height="233px">
<ItemTemplate>
<SPAN>
<asp:ImageButton id="ImageBtn" CommandName="ImgBtn" CommandArgument="imgbtn" style="WIDTH: 40px; HEIGHT: 37px" Height="32px" Width="32px" ImageUrl="images/folder.png"
Runat="server"></asp:ImageButton><BR>
<BR>
<asp:Label id="lbl" Height="15px" Width="80px" Runat="server" Text='<%# DataBinder.Eval(Container.DataItem,"nodename")%>'>
</asp:Label></SPAN>
</ItemTemplate>
</asp:DataList>
.csusing System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
using System.Configuration;namespace WebProject.common
{
/// <summary>
/// content 的摘要说明。
/// </summary>
public class content : System.Web.UI.Page
{
protected SqlConnection Conn;
protected SqlDataAdapter mycmd;
protected DataSet ds;
protected System.Web.UI.WebControls.DataList Datl;
protected string cmdSelect;
private void Page_Load(object sender, System.EventArgs e)
{
// 在此处放置用户代码以初始化页面
if(!Page.IsPostBack)
{
string id=Request.QueryString["id"];
Conn=new SqlConnection(ConfigurationSettings.AppSettings["SqlConnString"].ToString());
cmdSelect="select * from t_tree where parentid='"+id+"'";
mycmd=new SqlDataAdapter(cmdSelect,Conn);
ds=new DataSet();
mycmd.Fill(ds,"t_tree");
DataView objDataView=new DataView();
objDataView=ds.Tables[0].DefaultView;
Datl.DataSource=objDataView;
Datl.DataBind();
}
}
#region Web 窗体设计器生成的代码
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
//
InitializeComponent();
base.OnInit(e);
}
/// <summary>
/// 设计器支持所需的方法 - 不要使用代码编辑器修改
/// 此方法的内容。
/// </summary>
private void InitializeComponent()
{
this.Load += new System.EventHandler(this.Page_Load); }
#endregion private void Datl_ItemCommand(object sender, DataListCommandEventArgs e)
{
switch (e.CommandName)
{
case "ImgBtn" :
Datl.SelectedIndex=e.Item.ItemIndex;
Label lb=(Label)e.Item.FindControl("lbl");
if (lb!=null)
{
lb.Text="afss";
}
Datl.DataBind();
break;
}
}我怎么用<imagebutton>的onclick事件,来修改发生onclick事件的<imagebutton>和对应的<label>背景属性。谢谢!这个问题三天没有解决了。
//cs 中
imagebutton.Attribute["onclick"] ="return image_onclik();";//aspx中
function image_onclick(){
//根据label id查找控件
var label = document.getElementById("labelid");
label.style.backgroudColor="red";
}
//cs 中
imagebutton.Attribute["onclick"] ="return image_onclik();return false;";
可以在Datl_ItemCommand(object sender, DataListCommandEventArgs e)
{
....
this.ImageButton1.Click += new System.Web.UI.ImageClickEventHandler(this.ImageButton1_Click);//帮定imagebutton的click事件
....
}
private void ImageButton1_Click(object sender, System.Web.UI.ImageClickEventArgs e)
{
}