📄 default2.aspx
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<html>
<head>
<script language="javascript">
function add_click()
{
var src = document.getElementById("src");
if(src.selectedIndex == -1)
return false;
var option = src.options[src.selectedIndex];
remove_click();
src.removeChild(option);
var dest = document.getElementById("dest");
var destvalue = document.getElementById(dest.name + "value");
dest.value = option.text;
destvalue.value = option.value;
src.selectedIndex = -1;
}
function remove_click()
{
var src = document.getElementById("dest");
var srcvalue = document.getElementById(src.name + "value");
if(srcvalue.value == "0")
return;
var dest = document.getElementById("src");
var destvalue = document.getElementsByName(dest.name + "value");
for(var n = destvalue.length - 1; n >= 0; n-- )
{
if(destvalue[n].value == srcvalue.value)
{
var option = document.createElement("option");
option.value = destvalue[n].value;
option.text = destvalue[n].text;
dest.options.add(option);
break;
}
}
src.value = "";
srcvalue.value = "0";
dest.selectedIndex = -1;
}
</script>
</head>
<body>
<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:sjglxt %>"
SelectCommand="SELECT * FROM [depart]"></asp:SqlDataSource>
<table>
<tr>
<td><input type="text" name="dest" disabled readOnly style="width:80px;" / >
<input type="hidden" name="destvalue" value="0" /></td>
<td><input type="button" value="Add" onclick="add_click();" style="width:80px;" />
<br /><input type="button" value="Remove" onclick="remove_click();" style="width:80px;" /></td>
<td><select id="src" name="src" style="width:80px;" size="4">
<option value="1">111</option>
<option value="2">222</option>
<option value="3">333</option>
</select>
<input type="hidden" name="srcvalue" value="0" text="0" />
<input type="hidden" name="srcvalue" value="1" text="111" />
<input type="hidden" name="srcvalue" value="2" text="222" />
<input type="hidden" name="srcvalue" value="3" text="333" />
</td>
</tr>
<tr><td colspan="3" align="center"><input type="submit" value="Submit"></td></tr>
</table>
</body>
</html>
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