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; } ?>ASP.NET - How to display javascript alert using C#? - Stack Overflow

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    I have a page that contains a textbox and button, when the user clicks the submit button I want to display a message based on a bool value.

    I have researched on stackoverflow and tried the code in this questions: Asp Webform Display Alert and redirect

    But it didn't work. I have the following code:

    ClientScript.RegisterStartupScript(this.GetType(),"", "alert('message')", true);

    What code do I need to display the alert message?

    I have a page that contains a textbox and button, when the user clicks the submit button I want to display a message based on a bool value.

    I have researched on stackoverflow and tried the code in this questions: Asp Webform Display Alert and redirect

    But it didn't work. I have the following code:

    ClientScript.RegisterStartupScript(this.GetType(),"", "alert('message')", true);

    What code do I need to display the alert message?

    • c#
    • javascript
    • asp
    Share Improve this question edited May 23, 2017 at 12:24 CommunityBot 11 silver badge asked Feb 20, 2012 at 17:32 TheomaxTheomax 6,80015 gold badges55 silver badges73 bronze badges 2
    • Can you provide more information on what didn't work in the code from the question you referenced? – jeffa00 Commented Feb 20, 2012 at 17:41
    • isn't that second parameter supposed to be the name of the updatepanel? maybe I'm thinking of another register script method... – Induster Commented Feb 22, 2012 at 7:38
    Add a ment  | 

    2 Answers 2

    Reset to default 8

    you can use this simple method:

        private void MessageBox(string msg)
{
    Label lbl = new Label();
    lbl.Text = "<script language='javascript'>" + Environment.NewLine + "window.alert('" + msg + "')</script>";
    Page.Controls.Add(lbl);
}

    Use this apporch

     Response.Write(@"<script language='javascript'>alert('The following errors have occurred: \n" + strErrorDesc + " .');</script>");

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