document.forms(...)txt IdentifierXml

Hi,I have txtIdentifierXml as hidden variable.<INPUT id="txtIdentifierXml" style="Z-INDEX: 101; LEFT: 488px; WIDTH: 40px; POSITION: absolute; TOP: 176px; HEIGHT: 32px"type="hidden" size="1" name="txtIdentifierXml" runat="server">in my frmidentifier.aspx.vb i wrote javascript.that is Me.RegisterClientScriptBlock("CloseMe_2", "<script language='javascript'>" & _ "alert(document.forms[0].txtIdentifierXml.value);" & _ " window.returnValue = document.forms[0].txtIdentifierXml.value;" & _ " </script>")i get an error at the line of "alert(document.forms[0].txtIdentifierXml.value);" error is :document.forms(...).txtIdentifierXml.value' is null or not an objectplease help me 解决方案 这篇关于document.forms(...)txt IdentifierXml的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！