选中checkbox

<script type="text/javascript">

function getSelectedUsers() {
       
        var sltUser = "";
        var arrSelect = document.getElementsByName("myCheckBox");
        for (i = 0; i < arrSelect.length; i++) {
            if (arrSelect[i].checked) {
                sltUser += arrSelect[i].value + ",";
               i[0]+=1;
            }
        }
        if (sltUser == "") {
            alert("请至少选择一个会员信息！");
            return false;
        }
        else {
           
            document.getElementById("txtSelectedCustomers").value = sltUser;
           return confirm('确定要删除？');
        }
    }
</script>

 

 

 <input id="myCheckBox" name="myCheckBox" type="checkbox" value="<%#Eval("ID") %>" style=" width:100px;height:50px;" /> 

 

  protected void delete_Click(object sender, EventArgs e)
        {
            //string strCheck = this.txtSelectedCustomers.Value;//获取选中值
            string[] strCheck = Request.Form["myCheckBox"].ToString().TrimEnd(',').Split(',');//获取选中值

            for (int i = 0; i < strCheck.Length; i++)
            {
                int id = Convert.ToInt32(strCheck[i]);
                系统用户表DAInstance().删除用户hzc(id);
            }}

-----------------------------------------------------------------------------------------------------------------

  <input type="checkbox" name="Checkbox1222" onclick="javascript:selectAll(this.form,this.checked)" />全选。

<script  type="text/javascript">
    function selectAll(f, mode) {
        if (mode == true) {
            for (i = 0; i < f.length; i++) {
                if (f.elements[i].type == "checkbox") {
                    f.elements[i].checked = true;
                }
            }
        }
        else {
            for (i = 0; i < f.length; i++) {
                if (f.elements[i].type == "checkbox") {
                    f.elements[i].checked = false;
                }
            }
        }
    }

</script>