<script language="vb" runat="server">
Private sub ddl1_Change(sender as object , e as eventargs)
'代码
end sub
</script><asp:DropDownList ID="ddl1" AutoPostBack="true" OnSelectedIndexChanged="ddl1_change" runat="server" ></asp:DropDownList>为什么运行时总提示:
错误:物件不支援此属性和方法
Private sub ddl1_Change(sender as object , e as eventargs)
'代码
end sub
</script><asp:DropDownList ID="ddl1" AutoPostBack="true" OnSelectedIndexChanged="ddl1_change" runat="server" ></asp:DropDownList>为什么运行时总提示:
错误:物件不支援此属性和方法
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直接写
private sub ddl1_SelectedIndexChanged(sender as object , e as eventargs)
就可以了
直接用ddl1_SelectedIndexChanged就可以
<asp:DropDownList ID="ddl1" AutoPostBack="true" OnSelectedIndexChanged="ddl1_change" runat="server" ></asp:DropDownList></form>
<script language="vb" runat="server">
Private sub ddl1_Change(sender as object , e as eventargs)
'代码
end sub
</script>
换成
SelectedIndexChange="ddl1_change"
代码和对象在同一页面文件里,不是用<asp:DropDownList ID="ddl1" AutoPostBack="true" OnSelectedIndexChanged="ddl1_change" runat="server" ></asp:DropDownList>吗?
我肯定是这个问题,因为试过将AutoPostBack设为False就没问题了.
调试:
<script language="javascript" type="text/javascript">
<!--
function __doPostBack(eventTarget, eventArgument) {
var theform;
if (window.navigator.appName.toLowerCase().indexOf("microsoft") > -1) {
theform = document._ctl0;
}
else {
theform = document.forms["_ctl0"];
}
theform.__EVENTTARGET.value = eventTarget.split("$").join(":");
theform.__EVENTARGUMENT.value = eventArgument;
theform.submit();
}
// -->说theform.submit();错误
是客户端还是服务器端错误?把其他编码贴出来,你的FORM不会是在用户控件里吧?
如果是,把它移到ASPX页里去
<%@ import namespace="system.data"%>
<%@ import namespace="system.net" %>
<%@ import namespace="System.Web.UI.WebControls"%>
<%@ import namespace="system.data.oledb"%>
<%@ import namespace="system.drawing"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>test</title>
<script language="vb" runat="server">
'
Private sub ddl_SelectedIndexChanged(sender as object , e as eventargs)
end sub
</script>
</head>
<body leftmargin="0" topmargin="0" background="gif/bggray.gif">
<form runat="server">
<table border="0" cellpadding="0" cellspacing="0">
<tr><td colspan="4" height="50" align="center"><font size="+3" color="#037A18" face="標楷體"><b>情報推進事務局</b></font></td></tr>
<tr><td width="60" height="30"><td width="20" valign="middle"><img src="gif/052.gif"></img></td><td width="300"><font size="+1" face="標楷體" color="#0000A0"><b>事務局組織結構 (<a href="News/InformationImprove/FSOrganize.xls" target="main"><img width="20" align="texttop" height="20" src="gif/ICON-EXCEL.GIF" border="0"></img></a>)</b></font></td>
<td width="360"></td></tr>
<tr><td height="30"><td valign="middle"><img src="gif/054.gif"></img></td><td><font size="+1" face="標楷體" color="#0000A0"><b>文件服務器管理基準 (<a href="News/InformationImprove/FSRule.xls" target="main"><img width="20" align="texttop" height="20" src="gif/ICON-EXCEL.GIF" border="0"></img></a>)</b></font></td>
<td></td></tr>
<tr><td height="30"><td valign="middle"><img src="gif/053.gif"></img></td><td><font size="+1" face="標楷體" color="#0000A0"><b>網頁製作日程 (<a href="News/InformationImprove/FSschedule.xls" target="main"><img width="20" align="texttop" height="20" src="gif/ICON-EXCEL.GIF" border="0"></img></a>)</b></font></td>
<td></td></tr>
<tr><td height="30"><td valign="middle"><img src="gif/055.gif"></img></td><td><font size="+1" face="標楷體" color="#0000A0"><b>管理•使用方法</b></font></td><td></td></tr>
<tr><td><td></td><td colspan="2"> <img src="gif/087.gif"></img> <font size="-1" color="#2A3FAA">刪除不要的文件、減少數據容量的方法 (中文/<a href="http://163.141.4.44/FAQ/2004/2004066.asp" target="main">日文</a>)</font></td>
</tr>
<tr><td height="30"><td><img src="gif/056.gif"></img></td><td><font size="+1" face="標楷體" color="#0000A0"><b>聯繫我們</b></font></td><td></td></tr>
<tr><td height="3" colspan="4"><hr align="center" width="700"></td></tr>
<tr><td colspan="2" align="center" valign="top"><font size="+1" face="標楷體" color="#0000A0"><b>意見板</b></font></td><td colspan="2">
<table border="0" width="740"><tr><td><asp:table id="tb1" Width="600" BorderStyle="None" BorderColor="#7F9FFF" CellPadding="0" CellSpacing="0" GridLines="None" BackColor="#333333" runat="server"></asp:table>
</td><td valign="top"><font size="-1"><table width="140" bgcolor="#FFFFAA" border="0" align="center">
<tr><td align="center">用戶: <asp:TextBox id="loguser" TextMode="SingleLine" ReadOnly="true" Width="60" runat="server">Nothing</asp:TextBox></td></tr>
<tr><td align="center">密碼: <asp:TextBox id="logpwd" TextMode="Password" ReadOnly="true" Width="60" runat="server">******</asp:TextBox></td></tr>
<tr><td align="center"><asp:Button id="btnlogout" Text="登出" OnClick="btnlogout_click" runat="server"></asp:Button></td></tr></table></font>
</td></tr></table></td></tr>
<tr><td colspan="4"><hr align="center" width="700"></td></tr>
<tr><td></td><td colspan="3">
<table border="0" cellpadding="0" cellspacing="0" width="700">
<tr><td width="50">姓名:</td><td width="100"><asp:TextBox id="txt1" Width="100" runat="server"></asp:TextBox></td>
<td width="50"> 電話:</td><td width="80"><asp:TextBox id="txt2" Width="80" runat="server"></asp:TextBox></td>
<td width="420" valign="middle"><asp:Button id="refresh" text="更新留言" OnClick="refresh_click" runat="server"></asp:Button> 第 <asp:DropDownList ID="ddl1" AutoPostBack="true" runat="server" ></asp:DropDownList> 頁/
共<asp:Label id="lblpage" runat="server"></asp:Label>頁;(每頁10條)</td></tr>
<tr><td colspan="5"><asp:TextBox id="txt3" Width="600" TextMode="MultiLine" Rows="8" runat="server"></asp:TextBox></td></tr>
<tr><td colspan="5"><asp:Button id="submit" text="提交" OnClick="submit_Click" runat="server"></asp:Button> <asp:Button id="rewrite" text="重寫" OnClick="rewrite_click" runat="server"></asp:Button></td></tr>
</table>
</td></tr>
</table>
</form>
</body>
</html>
错误好像就是不能Postback.
===>
<asp:Button id="submit1" text="提交" ...>
结了.
相信你的成功和经验来源于不断地尝试.