(100分)求一个分层次的Dropdownlist(C#)满意立刻给分! 在项目中遇到这样一个问题,需要在显示一个多层次的DropdownList形式如下: A --A1 --A2 B --B2 ---B23从数据库中取得不同层次的(level=0,1,2)分成3层请用C#语言实现下,谢谢! 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 if(level==0){ DropDownList1.Items.Add(""+ xxxx);}if(level==1){ DropDownList1.Items.Add("-"+ xxxx);}if(level==2){ DropDownList1.Items.Add("--"+ xxxx);} http://topic.csdn.net/t/20060426/18/4716105.html# http://blog.csdn.net/xbf321/archive/2007/05/23/1622674.aspx <html><head><script>var arrUnit = new Array();arrUnit[0] = new Array('0',"u01","单位1");arrUnit[1] = new Array('0',"u02","单位2");arrUnit[2] = new Array('0',"u03","单位3");var arrDept = new Array();arrDept[0] = new Array('u01', 'd01', '部门1');arrDept[1] = new Array('u01', 'd02', '部门2');arrDept[2] = new Array('u02', 'd03', '部门3');arrDept[3] = new Array('u02', 'd04', '部门4');arrDept[4] = new Array('u03', 'd05', '部门5');arrDept[5] = new Array('u03', 'd06', '部门6');var arrEmp = new Array();arrEmp[0] = new Array("d01","e01","emp01");arrEmp[1] = new Array("d02","e02","emp03");arrEmp[2] = new Array("d03","e03","emp04");function body_onload(){var TD = GetParent(document.all("s0"), "TD");TD.innerHTML = MakeMenu(arrUnit, 0, 0, "s0");TD = GetParent(document.all("s1"), "TD");TD.innerHTML = MakeMenu(arrDept, GetSelectValue(document.all("s0")), 0, "s1");TD = GetParent(document.all("s2"), "TD");TD.innerHTML = MakeMenu(arrEmp, GetSelectValue(document.all("s1")), 0, "s2");}function GetParent(src, tag){if (src && src.tagName!=tag){return(GetParent(src.parentElement, tag));}return src;}function MakeMenu(arrSub, pValue, cValue, name){var sHTML = "<select name='" + name + "' onchange='SetSubMenu(this)' >";sHTML += "<option value=0><未选择></option>";for (var i=0; i < arrSub.length; i++){if (arrSub[i][0]==pValue){var tag = (arrSub[i][1]==cValue)?" selected>":">";sHTML += "<option value='" + arrSub[i][1] + "'" + tag + arrSub[i][2] + "</option>";}}sHTML += "</select>";return sHTML;}function GetSelectValue(oSelect){if (oSelect.selectedIndex < 0) return 0;return oSelect.options(oSelect.selectedIndex).value;}function SetSubMenu(pSelect){var oOption, sValue;if (pSelect.selectedIndex < 0) return;switch (pSelect.name){case "s0":var TD = GetParent(document.all("s1"), "TD");TD.innerHTML = MakeMenu(arrDept, GetSelectValue(document.all("s0")), "0", "s1");TD = GetParent(document.all("s2"), "TD");TD.innerHTML=MakeMenu(arrDept, GetSelectValue(document.all("s1")), "0", "s2");break;case "s1":var TD = GetParent(document.all("s2"), "TD");TD.innerHTML = MakeMenu(arrEmp, GetSelectValue(document.all("s1")), "0", "s2");break; default:break;}}</script></head><BODY BGCOLOR="#FFFFFF" onload="body_onload()"><table><tr><TD><SELECT NAME="s0" ONCHANGE="SetSubmenu(this)"></SELECT></TD><TD><SELECT NAME="s1" ONCHANGE="SetSubmenu(this)"></SELECT></TD><TD><SELECT NAME="s2" ONCHANGE="SetSubmenu(this)"></SELECT></TD></tr></table></BODY></html> Ⅱ、学习PetShop的时候 遇到的问题 希望知道的解答下 申请账号的问题 dropdownlist 传参问题 请教:如何自动填写并提交表单? 如何判断DropDownList没有选中,但有“请选择...” 如何注册第三方控件? 有关ASP.NET 2.0 BETA Starter Kit 求助大神 有没有人知道在文本框内加入标记 急急急!!!!!!!! 一个初学者的奇怪问题! 规划是应注意什么? CSS高手请进: 真的没有分了大家帮我看看这个关于gridview添加点击事件的问题。小弟先谢过了。
{
DropDownList1.Items.Add(""+ xxxx);
}
if(level==1)
{
DropDownList1.Items.Add("-"+ xxxx);
}
if(level==2)
{
DropDownList1.Items.Add("--"+ xxxx);
}
<head>
<script>var arrUnit = new Array();
arrUnit[0] = new Array('0',"u01","单位1");
arrUnit[1] = new Array('0',"u02","单位2");
arrUnit[2] = new Array('0',"u03","单位3");var arrDept = new Array();
arrDept[0] = new Array('u01', 'd01', '部门1');
arrDept[1] = new Array('u01', 'd02', '部门2');
arrDept[2] = new Array('u02', 'd03', '部门3');
arrDept[3] = new Array('u02', 'd04', '部门4');
arrDept[4] = new Array('u03', 'd05', '部门5');
arrDept[5] = new Array('u03', 'd06', '部门6');var arrEmp = new Array();
arrEmp[0] = new Array("d01","e01","emp01");
arrEmp[1] = new Array("d02","e02","emp03");
arrEmp[2] = new Array("d03","e03","emp04");function body_onload(){
var TD = GetParent(document.all("s0"), "TD");
TD.innerHTML = MakeMenu(arrUnit, 0, 0, "s0");
TD = GetParent(document.all("s1"), "TD");
TD.innerHTML = MakeMenu(arrDept, GetSelectValue(document.all("s0")), 0, "s1");
TD = GetParent(document.all("s2"), "TD");
TD.innerHTML = MakeMenu(arrEmp, GetSelectValue(document.all("s1")), 0, "s2");
}function GetParent(src, tag){
if (src && src.tagName!=tag){
return(GetParent(src.parentElement, tag));
}
return src;
}
function MakeMenu(arrSub, pValue, cValue, name){
var sHTML = "<select name='" + name + "' onchange='SetSubMenu(this)' >";
sHTML += "<option value=0><未选择></option>";
for (var i=0; i < arrSub.length; i++){
if (arrSub[i][0]==pValue){
var tag = (arrSub[i][1]==cValue)?" selected>":">";
sHTML += "<option value='" + arrSub[i][1] + "'" + tag + arrSub[i][2] + "</option>";
}
}
sHTML += "</select>";
return sHTML;
}
function GetSelectValue(oSelect){
if (oSelect.selectedIndex < 0) return 0;
return oSelect.options(oSelect.selectedIndex).value;}
function SetSubMenu(pSelect){var oOption, sValue;
if (pSelect.selectedIndex < 0) return;
switch (pSelect.name){
case "s0":
var TD = GetParent(document.all("s1"), "TD");
TD.innerHTML = MakeMenu(arrDept, GetSelectValue(document.all("s0")), "0", "s1");
TD = GetParent(document.all("s2"), "TD");
TD.innerHTML=MakeMenu(arrDept, GetSelectValue(document.all("s1")), "0", "s2");
break;
case "s1":
var TD = GetParent(document.all("s2"), "TD");
TD.innerHTML = MakeMenu(arrEmp, GetSelectValue(document.all("s1")), "0", "s2");
break;
default:
break;
}
}</script>
</head>
<BODY BGCOLOR="#FFFFFF" onload="body_onload()">
<table>
<tr>
<TD>
<SELECT NAME="s0" ONCHANGE="SetSubmenu(this)"></SELECT>
</TD>
<TD>
<SELECT NAME="s1" ONCHANGE="SetSubmenu(this)"></SELECT>
</TD>
<TD>
<SELECT NAME="s2" ONCHANGE="SetSubmenu(this)"></SELECT>
</TD>
</tr>
</table>
</BODY></html>