DropDownList里包含一个ListItemCollection
ListItemCollection集合中包含的ListItem对象只有value、text、Selected属性,更本无法专载图片。而且ListItem对象不支持继承。我想做这样的控件也想不到办法。
ListItemCollection集合中包含的ListItem对象只有value、text、Selected属性,更本无法专载图片。而且ListItem对象不支持继承。我想做这样的控件也想不到办法。
解决方案 »
- 怎么样取消回车键默认提交,一定要鼠标按下才能提交呢?
- 谁知道提供TTS服务得网站啊,付费免费都可以,不过是要能提供API得,而且有中文语种得
- 如何让密码不显示出来
- womdow.confirm
- asp.net读取excel文件(有密码)
- <%# 谁来告诉我RadioButtonList如何取值; 我用R1.SelectedValue 怎么取到的都是""值 -----------谢谢 --------谢谢
- 怎么美工DataGrid!
- 怎么把datagrid里的内容保存为excel或者txt,并且导出到客户端,或则呈现在客户端?
- 在c#代码中怎么用javascript语句(window.open())打开一个窗口,使打开的窗口固定大小没有菜单栏工具栏,并且指定在一个框架中打开(tar
- 奇怪的现象,俺的Table为什么会错位了呢?
- 如何在ASP.NET中使用OWC组件?
- 乱码问题
<html>
<head>
<title>无标题文档</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
</head><body bgcolor="#FFFFFF" text="#000000">
<table cellspacing=0 cellpadding=0 width="92%" border=0 dwcopytype="CopyTableRow">
<tbody>
<tr valign=bottom>
<td align=middle>
<style>.select {
BORDER-RIGHT: buttonface 0px inset; BORDER-TOP: buttonface 0px inset; FONT: icon; BORDER-LEFT: buttonface 0px inset; WIDTH: 100px; CURSOR: default; LINE-HEIGHT: 10pt; BORDER-BOTTOM: buttonface 0px inset
}
.selected {
BORDER-RIGHT: buttonface 0px inset; PADDING-RIGHT: 0px; BORDER-TOP: buttonface 0px inset; PADDING-LEFT: 0px; BACKGROUND: window; PADDING-BOTTOM: 0px; FONT: icon; BORDER-LEFT: buttonface 0px inset; LINE-HEIGHT: 10pt; PADDING-TOP: 0px; BORDER-BOTTOM: buttonface 0px inset
}
.selectTable {
BORDER-RIGHT: buttonhighlight 2px inset; BORDER-TOP: buttonhighlight 2px inset; BACKGROUND: buttonface; BORDER-LEFT: buttonhighlight 2px inset; WIDTH: 100%; LINE-HEIGHT: 10pt; BORDER-BOTTOM: buttonhighlight 2px inset; HEIGHT: 100%
}
.option {
PADDING-RIGHT: 3px; PADDING-LEFT: 3px; PADDING-BOTTOM: 1px; FONT: icon; WIDTH: 100%; PADDING-TOP: 1px
}
.dropDown {
BORDER-RIGHT: windowtext 1px solid; PADDING-RIGHT: 0px; BORDER-TOP: windowtext 1px solid; PADDING-LEFT: 0px; BACKGROUND: window; VISIBILITY: hidden; PADDING-BOTTOM: 0px; BORDER-LEFT: windowtext 1px solid; WIDTH: 100%; LINE-HEIGHT: 10pt; PADDING-TOP: 0px; BORDER-BOTTOM: windowtext 1px solid; POSITION: absolute
}
.select .button {
BORDER-RIGHT: buttonhighlight 2px outset; PADDING-RIGHT: 0px; BORDER-TOP: buttonhighlight 2px outset; PADDING-LEFT: 0px; FONT-SIZE: 11px; PADDING-BOTTOM: 0px; BORDER-LEFT: buttonhighlight 2px outset; WIDTH: 16px; LINE-HEIGHT: 10pt; PADDING-TOP: 0px; BORDER-BOTTOM: buttonhighlight 2px outset; FONT-FAMILY: webdings; HEIGHT: 5px
}
</style>
<table cellspacing=0 cellpadding=0 width=80 align=center
bgcolor=#ffffff border=0>
<tbody>
<tr>
<td class=t>
<script language=JavaScript>var overOptionCss = "background: highlight; color: highlighttext";
var sizedBorderCss = "2 inset buttonhighlight"; var globalSelect; //This is used when calling an unnamed selectbox with onclick="this.PROPERTY" var ie4 = (document.all != null); var q = 0;
function initSelectBox(el) {
copySelected(el); var size = el.getAttribute("size"); // These two lines combined with execution in optionClick() allow you to write:
// onchange="alert(this.options[this.selectedIndex].value)"
el.options = el.children[1].children;
el.selectedIndex = findSelected(el); //Set the index now!
// Some methods that are supported on the real SELECT box
el.remove = new Function("i", "int_remove(this,i)");
el.item = new Function("i", "return this.options[i]");
el.add = new Function("e", "i", "int_add(this, e, i)");
// The real select box let you have lot of options with the same NAME. In that case the item
// needs two arguments. When using DIVs you can't have two with the same NAME (or ID) and
// then there is no need for the second argument el.options[el.selectedIndex].selected = true; dropdown = el.children[1]; if (size != null) {
if (size > 1) {
el.size = size;
dropdown.style.zIndex = 0;
initSized(el);
}
else {
el.size = 1;
dropdown.style.zIndex = 99;
if (dropdown.offsetHeight > 400) {
dropdown.style.height = "400";
dropdown.style.overflow = "auto";
}
}
} highlightSelected(el,true);
} function int_remove(el,i) {
if (el.options[i] != null)
el.options[i].outerHTML = "";
} function int_add(el, e, i) {
var html = "<div class='option' noWrap";
if (e.value != null)
html += " value='" + e.value + "'";
if (e.style.cssText != null)
html += " style='" + e.style.cssText + "'";
html += ">";
if (e.text != null)
html += e.text;
html += "</div>" if ((i == null) || (i >= el.options.length))
i = el.options.length-1; el.options[i].insertAdjacentHTML("AfterEnd", html);
} function initSized(el) {
//alert("initSized -------->");
var h = 0;
el.children[0].style.display = "none"; dropdown = el.children[1];
dropdown.style.visibility = "visible"; if (dropdown.children.length > el.size) {
dropdown.style.overflow = "auto";
for (var i=0; i<el.size; i++) {
h += dropdown.children[i].offsetHeight;
} if (dropdown.style.borderWidth != null) {
dropdown.style.pixelHeight = h + 4; //2 * parseInt(dropdown.style.borderWidth);
} else
dropdown.style.height = h; } dropdown.style.border = sizedBorderCss;
el.style.height = dropdown.style.pixelHeight;
} function copySelected(el) {
var selectedIndex = findSelected(el); selectedCell = el.children[0].rows[0].cells[0];
selectedDiv = el.children[1].children[selectedIndex]; selectedCell.innerHTML = selectedDiv.outerHTML;
} // This function returns the first selected option and resets the rest
// in case some idiot has set more than one to selcted :-)
function findSelected(el) {
var selected = null;
ec = el.children[1].children; //the table is the first child
var ecl = ec.length; for (var i=0; i<ecl; i++) {
if (ec[i].getAttribute("selected") != null) {
if (selected == null) { // Found first selected
selected = i;
}
else
ec[i].removeAttribute("selected"); //Like I said. Only one selected!
}
}
if (selected == null)
selected = 0; //When starting this is the most logic start value if none is present return selected;
} function toggleDropDown(el) {
if (el.size == 1) {
dropDown = el.children[1]; if (dropDown.style.visibility == "")
dropDown.style.visibility = "hidden"; if (dropDown.style.visibility == "hidden")
showDropDown(dropDown);
else
hideDropDown(dropDown);
}
}
_________________________________function optionClick() {
el = getReal(window.event.srcElement, "className", "option"); if (el.className == "option") {
dropdown = el.parentElement;
selectBox = dropdown.parentElement; oldSelected = dropdown.children[findSelected(selectBox)] if(oldSelected != el) {
oldSelected.removeAttribute("selected");
el.setAttribute("selected", 1);
selectBox.selectedIndex = findSelected(selectBox);
} if (selectBox.onchange != null) { // This executes the onchange when you chnage the option
if (selectBox.id != "") { // For this to work you need to replace this with an ID or name
eval(selectBox.onchange.replace(/this/g, selectBox.id));
}
else {
globalSelect = selectBox;
eval(selectBox.onchange.replace(/this/g, "globalSelect"));
}
} if (el.backupCss != null)
el.style.cssText = el.backupCss;
copySelected(selectBox);
toggleDropDown(selectBox);
highlightSelected(selectBox, true);
}
} function optionOver() {
var toEl = getReal(window.event.toElement, "className", "option");
var fromEl = getReal(window.event.fromElement, "className", "option");
if (toEl == fromEl) return;
var el = toEl; if (el.className == "option") {
if (el.backupCss == null)
el.backupCss = el.style.cssText;
highlightSelected(el.parentElement.parentElement, false);
el.style.cssText = el.backupCss + "; " + overOptionCss;
this.highlighted = true;
}
} function optionOut() {
var toEl = getReal(window.event.toElement, "className", "option");
var fromEl = getReal(window.event.fromElement, "className", "option"); if (fromEl == fromEl.parentElement.children[findSelected(fromEl.parentElement.parentElement)]) {
if (toEl == null)
return;
if (toEl.className != "option")
return;
} if (toEl != null) {
if (toEl.className != "option") {
if (fromEl.className == "option")
highlightSelected(fromEl.parentElement.parentElement, true);
}
} if (toEl == fromEl) return;
var el = fromEl; if (el.className == "option") {
if (el.backupCss != null)
el.style.cssText = el.backupCss;
} } function highlightSelected(el,add) {
var selectedIndex = findSelected(el); selected = el.children[1].children[selectedIndex]; if (add) {
if (selected.backupCss == null)
selected.backupCss = selected.style.cssText;
selected.style.cssText = selected.backupCss + "; " + overOptionCss;
}
else if (!add) {
if (selected.backupCss != null)
selected.style.cssText = selected.backupCss;
}
}
_______________________________________________________---function hideShownDropDowns() {
var el = getReal(window.event.srcElement, "className", "select"); var spans = document.all.tags("SPAN");
var selects = new Array();
var index = 0; for (var i=0; i<spans.length; i++) {
if ((spans[i].className == "select") && (spans[i] != el)) {
dropdown = spans[i].children[1];
if ((spans[i].size == 1) && (dropdown.style.visibility == "visible"))
selects[index++] = dropdown;
}
} for (var j=0; j<selects.length; j++) {
hideDropDown(selects[j]);
} } function hideDropDown(el) {
if (typeof(fade) == "function")
fade(el, false);
else
el.style.visibility = "hidden";
} function showDropDown(el) {
if (typeof(fade) == "function")
fade(el, true);
else if (typeof(swipe) == "function")
swipe(el, 2);
else
el.style.visibility = "visible";
} function initSelectBoxes() {
var spans = document.all.tags("SPAN");
var selects = new Array();
var index = 0; for (var i=0; i<spans.length; i++) {
if (spans[i].className == "select")
selects[index++] = spans[i];
} for (var j=0; j<selects.length; j++) {
initSelectBox(selects[j]);
}
} function getReal(el, type, value) {
temp = el;
while ((temp != null) && (temp.tagName != "BODY")) {
if (eval("temp." + type) == value) {
el = temp;
return el;
}
temp = temp.parentElement;
}
return el;
} if (ie4) {
window.onload = initSelectBoxes;
document.onclick = hideShownDropDowns;
} function writeSelectBox(matrix, id, size, onchange, css) {
var d = window.document; var ie4 = (document.all != null); if (ie4) {
// alert("Before!");
var s = createIEString(matrix, id, size, onchange, css);
document.write(s);
// alert("After!");
// alert(s);
} else {
document.write(createXString(matrix, id, size, onchange, css));
}
} function createIEString(matrix, id, size, onchange, css) {
var str = "";
// Span startTag
str += '<span class="select"';
if (size == null)
size = 1;
str += ' size="' + size + '"';
if (id != null)
str += ' id="' + id + '"';
if (onchange != null)
str += ' onchange="' + onchange + '"';
if (css != null)
str += ' style="' + css + '"';
str += '>\n'; // Table Tag
str += '<table class="selectTable" cellspacing="0" cellpadding="0"\n';
str += ' onclick="toggleDropDown(this.parentElement)">\n';
str += '<tr>\n';
str += '<td class="selected"> </td>\n';
str += '<td align="CENTER" valign="MIDDLE" class="Button"\n';
str += ' onmousedown="this.style.border=\'2 inset buttonhighlight\'"\n';
str += ' onmouseup="this.style.border=\'2 outset buttonhighlight\'">\n';
str += '<div style="position: relative; left: 0; top: -2; width: 100%;">6</div></td>\n';
str += '</tr>\n';
str += '</table>\n'; // DropDown startTag
str += '<div class="dropDown" onclick="optionClick()" onmouseover="optionOver()" onmouseout="optionOut()">\n'; for (var i=0; i<matrix.length; i++) {
html = matrix[i].html;
value = matrix[i].value;
css = matrix[i].css;
selected = matrix[i].selected; // Write option starttag
str += '<div class="option"';
if (value != null)
str += ' value="' + value + '"';
if (css != null)
str += ' style="' + css + '"';
if (selected != null)
str += ' selected';
str += '>\n'; // Write HTML contents
str += html;
// Write end tag
str += '</div>\n';
} //DropDown endtag
str += '</div>\n'; // Span endTag
str += '</span>\n';
//alert(str);
return str;
} function createXString(matrix, id, size, onchange, css) {
// var str = "\n";
// form startTag
var str = '<form>\n';
// Select startTag
str += '<select';
if (size == null)
size = 1;
str += ' size="' + size + '"';
if (id != null)
str += ' id="' + id + '"';
if (onchange != null)
str += ' onchange="' + onchange + '"';
// if (css != null)
// str += ' style="' + css + '"';
str += '>\n';
// write options
for (var i=0; i<matrix.length; i++) {
html = matrix[i].html;
value = matrix[i].value;
css = matrix[i].css;
selected = matrix[i].selected; // Write option starttag
str += '\n<option';
if (value != null)
str += ' value="' + value + '"';
// if (css != null)
// str += ' style="' + css + '"';
if (selected != null)
str += ' selected';
str += '>'; // Write HTML contents
str += stripTags(html);
// Write end tag
str += '</option>\n';
}
str += '\n</select>\n';
str += '</form>\n'; return str;
} function stripTags(str) {
var s = 0;
var e = -1;
var r = ""; s = str.indexOf("<",e); do {
r += str.substring(e + 1,s);
e = str.indexOf(">",s);
s = str.indexOf("<",e);
}
while ((s != -1) && (e != -1)) r += str.substring(e + 1,str.length); return r;
} function Option(html, value, css, selected) {
this.html = html;
this.value = value;
this.css = css;
this.selected = selected;
} topArray = new Array();
topArray[0] = new Option('<nobr title="选择地点">选择地点</nobr>', "#");
topArray[1] = new Option('<nobr title="全国">全国</nobr>', "/default-qz.aspx");
topArray[2] = new Option('<nobr title="北京">北京</nobr>', "/default-bj.aspx");
topArray[3] = new Option('<nobr title="上海">上海</nobr>', "/default-sh.aspx");
topArray[4] = new Option('<nobr title="广州">广州</nobr>', "/default-gz.aspx");
topArray[5] = new Option('<nobr title="深圳">深圳</nobr>', "/default-sz.aspx");
topArray[6] = new Option('<nobr title="西安">西安</nobr>', "/default-xa.aspx");
topArray[7] = new Option('<nobr title="武汉">武汉</nobr>', "/default-wh.aspx");
topArray[8] = new Option('<nobr title="杭州">杭州</nobr>', "/default-hz.aspx");
topArray[9] = new Option('<nobr title="成都">成都</nobr>', "/default-cd.aspx");
topArray[10] = new Option('<nobr title="南京">南京</nobr>', "/default-nj.aspx");
topArray[11] = new Option('<nobr title="昆明">昆明</nobr>', "/default-km.aspx");
topArray[12] = new Option('<nobr title="济南">济南</nobr>', "/default-jn.aspx");
topArray[13] = new Option('<nobr title="大连"><img border=0 src=http://expert.csdn.net/expert/images/rank/user1.gif>大连</nobr>', "/default-dl.aspx"); writeSelectBox(topArray, "select2", 1, "window.open(this.options[this.selectedIndex].value, '_top')", "margin-left: 1; width: 80;");
</script>
</td>
</tr>
</tbody>
</table>
</td>
<form name=form2>
</form>
</tr>
</tbody>
</table>
</body>
</html>