te')); return $arr; } /* 遍历用户所有主题 * @param $uid 用户ID * @param int $page 页数 * @param int $pagesize 每页记录条数 * @param bool $desc 排序方式 TRUE降序 FALSE升序 * @param string $key 返回的数组用那一列的值作为 key * @param array $col 查询哪些列 */ function thread_tid_find_by_uid($uid, $page = 1, $pagesize = 1000, $desc = TRUE, $key = 'tid', $col = array()) { if (empty($uid)) return array(); $orderby = TRUE == $desc ? -1 : 1; $arr = thread_tid__find($cond = array('uid' => $uid), array('tid' => $orderby), $page, $pagesize, $key, $col); return $arr; } // 遍历栏目下tid 支持数组 $fid = array(1,2,3) function thread_tid_find_by_fid($fid, $page = 1, $pagesize = 1000, $desc = TRUE) { if (empty($fid)) return array(); $orderby = TRUE == $desc ? -1 : 1; $arr = thread_tid__find($cond = array('fid' => $fid), array('tid' => $orderby), $page, $pagesize, 'tid', array('tid', 'verify_date')); return $arr; } function thread_tid_delete($tid) { if (empty($tid)) return FALSE; $r = thread_tid__delete(array('tid' => $tid)); return $r; } function thread_tid_count() { $n = thread_tid__count(); return $n; } // 统计用户主题数 大数量下严谨使用非主键统计 function thread_uid_count($uid) { $n = thread_tid__count(array('uid' => $uid)); return $n; } // 统计栏目主题数 大数量下严谨使用非主键统计 function thread_fid_count($fid) { $n = thread_tid__count(array('fid' => $fid)); return $n; } ?>c# - Passing ASP.NET client IDs in to a javascript function - Stack Overflow

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    I need to pass a client ID to a Javascript function in the onblur event of an ASP control event like this:

    OnBlur="javascript:setBackground(this, '<%= txtClientName.ClientID %>')"

    Here is my Javascript function:

    function setBackground(sender, controlID) {
        sender.style.backgroundColor = "#ffffff";
        var nextElement = document.getElementById(controlID);
        if ((nextElement.value == '' || nextElement.value == 'Select') && tab == true) {
            nextElement.style.backgroundColor = "#f7C059"
            tab = false;
        }
    }

    The problem is that the client ID gets passed in literally as '<%= txtClientName.ClientID %>' instead of the actual value. So, calling document.getElementById(controlID); doesn't work.

    How can I get the actual client ID and pass it to my Javascript function?

    I need to pass a client ID to a Javascript function in the onblur event of an ASP control event like this:

    OnBlur="javascript:setBackground(this, '<%= txtClientName.ClientID %>')"

    Here is my Javascript function:

    function setBackground(sender, controlID) {
        sender.style.backgroundColor = "#ffffff";
        var nextElement = document.getElementById(controlID);
        if ((nextElement.value == '' || nextElement.value == 'Select') && tab == true) {
            nextElement.style.backgroundColor = "#f7C059"
            tab = false;
        }
    }

    The problem is that the client ID gets passed in literally as '<%= txtClientName.ClientID %>' instead of the actual value. So, calling document.getElementById(controlID); doesn't work.

    How can I get the actual client ID and pass it to my Javascript function?

    • c#
    • javascript
    • asp
    • webforms
    Share Improve this question asked Jun 14, 2011 at 14:51 GagegeGagege 6703 gold badges8 silver badges21 bronze badges
    Add a ment  | 

    3 Answers 3

    Reset to default 7

    You could either change the asp control to standard html element (i.e., without runat="server")

    <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
<input type="text" id="ClientText1" onblur="javascript:alert('<%= TextBox1.ClientID %>')" />

    or see this Stack Overflow answer:

    problem assigning declarative values in asp:hyperlink. error: this is not scriptlet. will output as plain text

    or use jquery

    <script type="text/javascript" src="//ajax.googleapis./ajax/libs/jquery/1.5.2/jquery.min.js"> </script>

    <script type="text/javascript">
        $(document).ready(function () {
            $("#text2").blur(function(){alert('<%= TextBox1.ClientID %>')});
        });
    </script>

    Is this from the code-behind?

    How about OnBlur=String.Format("javascript:setBackground(this, '{0}')", txtClientName.ClientID);

    <asp:TextBox ID="TextBox1" runat="server" onclick="dosomething(this)"></asp:TextBox>

<script>
function dosomething(obj)
{
   var txtObj= document.getElementById(obj.id);
alert (txtObj);
}
</script>

    pass this object from the function and can get this.id from javascript that will be ClientID

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