模式窗口查询 并按返回值添加页面内容

function fnSubProjectUnit() {
temp = window.showModalDialog("SubProjectSelect.aspx", window, "dialogWidth=1200px;dialogHeight=450px");
if (temp == undefined) {
temp = window.returnValue;
}
var ary = temp.split("|");

var FirstCode = ary[0];
var FirstName = ary[1];
var SecondCode = ary[2];
var SecondName = ary[3];
var ThirdCode = ary[4];
var ThirdName = ary[5];
var Unit = ary[6];

alert("选择分包项目为" + ThirdName);
var Num = 1; //获取行数
var maxid = document.getElementById("txtMaxId").value; //0
var num1 = parseInt(maxid);

var num2 = parseInt(Num)
var total = num1 + num2;
var startid = num1 + 1;
var flag = true;
var data = "";
for (var i = startid; i <= total; i++) {
data += "<tr>";
data += "<td>" + i + "</td>";
data += "<td style='display:none'><input name='nThirdCode" + i + "' id='ThridCode" + i + "' type='text'  value='" + ThirdCode + "' readonly='readonly'></td>";
data += "<td><input name='nThirdName" + i + "' id='ThridName" + i + "' type='text'  value='" + ThirdName + "' readonly='readonly'></td>";
data += "<td style='display:none'><input name='nSecondCode" + i + "' id='SecondCode" + i + "' type='text'  value='" + SecondCode + "' readonly='readonly'></td>";
data += "<td><input name='nSecondName" + i + "' id='SecondName" + i + "' type='text'  value='" + SecondName + "' readonly='readonly'></td>";
data += "<td style='display:none'><input name='nFirstCode" + i + "' id='FirstCode" + i + "' type='text'  value='" + FirstCode + "' readonly='readonly'></td>";
data += "<td><input name='nFirstName" + i + "' id='FirstName" + i + "' type='text'  value='" + FirstName + "' readonly='readonly'></td>";
data += "<td><input name='nSubNum" + i + "' id='SubNum" + i + "' type='text'   ></td>";
data += "<td><input name='nSubPrice" + i + "' id='SubPrice" + i + "' type='text'  ></td>";
data += "<td><input name='nUnit" + i + "' id='unit" + i + "' type='text'  value='" + Unit + "' readonly='readonly'></td>";
data += "<td onClick='getDel(this)'><a href='#'>删除</a></td>";
data += "</tr>";
}
$("#itbinfo").append(data);
document.getElementById("txtMaxId").value = total;
document.getElementById("div1").style.display = "block";

}
function getDel(k) {

$(k).parent().remove();
}

<td width="85%" align="left">
<input type="button" value="添加分包项目" onclick="fnSubProjectUnit();" id="Button1" />
<div id="div1" >
<div id="table1">
<table>
<tbody id='itbinfo'>
<tr><td >编号</td>
<td style='display:none'>三级Code</td>
<td >分包项目名称</td>
<td style='display:none'>二级Code</td>
<td >二级科目</td>
<td style='display:none'>一级Code</td>
<td >一级科目</td>
<td >分包数量</td>
<td >分包价格</td>
<td >单位</td>
</tr>
</tbody>
</table>
</div>
</div>
<input id="txtMaxId" type="text" value="0" runat="server" readonly="readonly" style='display:none'/>
</td>

protected void lbtnAdd_Click(object sender, EventArgs e)
{
int count = 0;
for (int i = 0; i < rptList.Items.Count; i++)
{
CheckBox cb = (CheckBox)rptList.Items[i].FindControl("cb_id");
if (cb.Checked)
{
count++;
}
}
if (count == 0)
{
ClientScript.RegisterStartupScript(this.GetType(), "alert", "<script>alert('请选择劳务分包单位！');</script>");
return;
}
if (count > 1)
{
ClientScript.RegisterStartupScript(this.GetType(), "alert", "<script>alert('只能选择一项！');window.location.href='LoaderUnitSelect.aspx';</script>");
return;
}
for (int i = 0; i < rptList.Items.Count; i++)
{
string FirstCode = ((Label)rptList.Items[i].FindControl("lb_FirstCode")).Text;
string FirstName = ((Label)rptList.Items[i].FindControl("lb_FirstName")).Text;
string SecondCode = ((Label)rptList.Items[i].FindControl("lb_SecondCode")).Text;
string SecondName = ((Label)rptList.Items[i].FindControl("lb_SecondName")).Text;
string ThridCode = ((Label)rptList.Items[i].FindControl("lb_ThirdCode")).Text;
string ThridName = ((Label)rptList.Items[i].FindControl("lb_ThirdName")).Text;
string unit = ((Label)rptList.Items[i].FindControl("lb_Unit")).Text;
CheckBox cb = (CheckBox)rptList.Items[i].FindControl("cb_id");

if (cb.Checked)
{
string str = FirstCode + "|" + FirstName + "|" + SecondCode + "|" + SecondName + "|" + ThridCode + "|" + ThridName + "|" + unit;

Response.Write("<script language='javascript'> "
//页面ready状态变化时触发
+ "if(window.opener != undefined) " //当页面加载完成时
+ "{ "
+ "window.opener.returnValue = '" + str + "';"  //此时执行这个函数，应该就可以了，因为相关js已经被加载近来了。谷歌浏览器
+ "} "
+ "else"
+ "{ "
+ "window.returnValue = '" + str + "';"  //此时执行这个函数，应该就可以了，因为相关js已经被加载近来了。
+ "} window.close();"
+ "</script>");
}
}
}