function chkClick(){
var checkedList = "";
//获取所有被选中的项
for(var i=0; i<chkList.length; i++){
if(chkList[i].checked)
checkedList += chkList[i].value + ",";
}
//把选中项的列表显示到“已选择的项”中,substring在这里是为了去除最后一个逗号
document.getElementById("HiddenField1").value = checkedList.substring(0,checkedList.length-1);
老是报错 说document.getElementById()为空或者是不存在对象..
但是如果我改为document.getElementByname(),它就就不报错....
可是我取不到HiddenField1的值.
protected void Button1_Click1(object sender, EventArgs e)
{
string type = HiddenField1.Value;
string [] keyValue=type.Split(',');
foreach(string keyName in keyValue)
{
STUDENT.FkBLL fkbll = new STUDENT.FkBLL();
if (fkbll.dltfkid(keyName))
{
Response.Write("<script>alert('删除成功')</script>");
}
else
{
Response.Write("<script>alert('删除失败')</script>");
}
}
HiddenField1.Value = "";
bind();
}各位大虾帮帮忙!!!!1 急......
var checkedList = "";
//获取所有被选中的项
for(var i=0; i<chkList.length; i++){
if(chkList[i].checked)
checkedList += chkList[i].value + ",";
}
//把选中项的列表显示到“已选择的项”中,substring在这里是为了去除最后一个逗号
document.getElementById("HiddenField1").value = checkedList.substring(0,checkedList.length-1);
老是报错 说document.getElementById()为空或者是不存在对象..
但是如果我改为document.getElementByname(),它就就不报错....
可是我取不到HiddenField1的值.
protected void Button1_Click1(object sender, EventArgs e)
{
string type = HiddenField1.Value;
string [] keyValue=type.Split(',');
foreach(string keyName in keyValue)
{
STUDENT.FkBLL fkbll = new STUDENT.FkBLL();
if (fkbll.dltfkid(keyName))
{
Response.Write("<script>alert('删除成功')</script>");
}
else
{
Response.Write("<script>alert('删除失败')</script>");
}
}
HiddenField1.Value = "";
bind();
}各位大虾帮帮忙!!!!1 急......
=>
document.getElementById("<%= HiddenField1.ClientID %>")value = checkedList.substring(0,checkedList.length-1);
应该与环境相关
document.getElementById("hf_Id")没问题
<%@ Page Language="C#" MasterPageFile="~/MasterPage2.master" AutoEventWireup="true" CodeFile="Fkxx.aspx.cs" Inherits="Default2" Title="Untitled Page" %><asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server">
<script language="javascript" type="text/javascript">
//先获得所有的checkBox
var chkList = document.getElementsByName("CheckBox1");
window.onload = function()
{
//为所有checkbox添加onclick事件处理,以自动更新“已选择的项”
for(var i=0; i<chkList.length; i++)
{
chkList[i].onclick = chkClick;
}
}
//checkbox的onclick事件,用于更新“已选择的项”
function chkClick(){
var checkedList = "";
//获取所有被选中的项
for(var i=0; i<chkList.length; i++){
if(chkList[i].checked)
checkedList += chkList[i].value + ",";
}
//把选中项的列表显示到“已选择的项”中,substring在这里是为了去除最后一个逗号
document.getElementById('<%= HiddenField1.ClientID %>').value = checkedList.substring(0,checkedList.length-1);
}
function checkAll()
{
var chkall=document.getElementById("CheckBoxAll");
if(chkall.checked)
{
var checkedList = "";
for(var i=0;i<chkList.length;i++)
{
chkList[i].checked=true;
checkedList += chkList[i].value + ",";
}
document.getElementById("<%= HiddenField1.ClientID %>").Value = checkedList.substring(0,checkedList.length-1);
}
else
{
for(var i=0;i<chkList.length;i++)
chkList[i].checked=false;
document.getElementById("<%= HiddenField1.ClientID %>").Value="";
}
}
</script>
<asp:Button ID="Button1" runat="server" Text="删 除" Width="68px" style="z-index: 100; left: 318px; position: absolute; top: 266px" Height="19px" OnClick="Button1_Click1" />
<asp:HiddenField ID="HiddenField1" runat="server" />
调用存储过程的sql注入,出了问题,请各位大虾帮帮忙...
try {
SqlCommand cmd = new SqlCommand("exec glyLogin",ConnectionX.CreateConnection());
cmd.CommandType=CommandType.StoredProcedure;
cmd.Parameters.Clear();
cmd.Parameters.Add("@a",Name.Text);
cmd.Parameters.Add("@b",Pwd.Text);
cmd.Connection.Open();
cmd.ExecuteNonQuery();
cmd.Connection.Close();
}
catch(Exception e1)
{ Response.Write("error"); } }它老走catch,是什么原因呀?