BtnQuery.Attributes.Add("onclick", "openwin()");
定义字段(也就是在方法外定义)public string ss="1";
调用
<INPUT type="text" value=<%=ss%>>
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答2:
<script language=javascript>
function fun()
{
<%=funss%>
}
</script>
<body onload=fun()>
cs文件中设置
public string funss;
string ss = "1";
funss = "document.all.TextBox.value=" + ss