Microsoft JScript运行时错误:必需对象 [英] Microsoft JScript runtime error: Object required

问题描述

function pnlvisible()
        {
            //document.getElementById('ctl00_ContentPlaceHolder1_drptree_pnl').
            //if (document.getElementById("ctl00_ContentPlaceHolder1_drptree_pnl").style.visibility == "visible")
            //{
                document.getElementById("ctl00_ContentPlaceHolder1_drptree_pnl").style.visibility = 'hidden';
            //}

    }

我收到Microsoft JScript运行时错误:运行时需要对象.

i am getting Microsoft JScript runtime error: Object required during the runtime.
what is error .Is there anyway to solve this.

推荐答案

上一行错误表示未定义以下内容:document.getElementById("ctl00_ContentPlaceHolder1_drptree_pnl").因此，当您尝试访问某些属性时，它无法找到该对象，从而引发错误.

2个选项:
1.确保名称与页面呈现时的名称完全相同(您可以通过页面查看源代码获取它)
2.使用:<%= myPanel.ClientID %>

Error for the above line means that the following was undefined: document.getElementById("ctl00_ContentPlaceHolder1_drptree_pnl"). Thus, when you try to access certain property, it is unable to find the object and thus raises an error.

2 Options:
1. Either make sure that the name is exactly the same as when page rendered (you can get it doing page view source)
2. Use: <%= myPanel.ClientID %>

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