JQuery :: Force The User To Select The Value From Autocomplete?
Nov 13, 2010Does anyone ever try to force the user to select the value from autocomplete?
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I will greatly simplify my model to speed this along.
I have a model class lets call it item:
public class Item
{
[Required(ErrorMessage="Must indicate if product is to be tracked by serial number.")]
public bool TrackedBySerial { get; set; }
}
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Controller:
[HttpPost]
public ActionResult Add(InventoryItem newItem)
{
try
{
//get the selected form value
string formVal = Request.Form["TrackBySerial"];
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clsquery.updatetablestring = "select top 2 Cont_number from ASPrearrival_list where Cont_number";
clsquery.updatetablestring = "select top 2 custid,custname from ASCustomer where custname";
// this is my auto search iam using 2 handler file , i wants only one handler instead of 2handler
<script type="text/javascript" src="jquery.autocomplete.js"></script>
<script type="text/javascript">
$(document).ready(function()
{
$("#<%=txtcontno.ClientID%>").autocomplete("Handler1.ashx");
$("#<%=txtcname.ClientID%>").autocomplete("Handler.ashx");
}
);
handler ashx file
<%@ WebHandler Language="C#" %>
using System;
using System.Web;
using System.Data.SqlClient;
using ASbusinesslogic;
public class Handler : IHttpHandler {
public void ProcessRequest(HttpContext context)
{
string firstname = context.Request.QueryString["q"];
string sql = clsquery.updatetablestring;
sql = clsquery.updatetablestring+" "+"Like"+" '"+ firstname +"%'";
//string sql = "select top 2 mlid,mloname from ASlinermaster where mloname like '" + firstname + "%'";
using (SqlConnection connection = new SqlConnection(System.Configuration.ConfigurationSettings.AppSettings["ConnectionString"].ToString()))
using (SqlCommand command = new SqlCommand(sql, connection)) { connection.Open();
using (SqlDataReader reader = command.ExecuteReader())
{
while (reader.Read())
{
context.Response.Write(reader.GetString(1)+ "-"+ reader.GetValue(0) + Environment.NewLine);
}
}
}
}
public bool IsReusable {
get {
return false;
}
}
}
handler1
<%@ WebHandler Language="C#" %>
using System;
using System.Web;
using System.Data.SqlClient;
using ASbusinesslogic;
public class Handler1 : IHttpHandler {
public void ProcessRequest(HttpContext context)
{
string firstname = context.Request.QueryString["q"];
string sql = clsquery.updatetablestring + " " + "like '" + firstname + "%' ";
using (SqlConnection connection = new SqlConnection(System.Configuration.ConfigurationSettings.AppSettings["ConnectionString"].ToString()))
using (SqlCommand command = new SqlCommand(sql, connection))
{
connection.Open();
using (SqlDataReader reader = command.ExecuteReader())
{
while (reader.Read())
{
context.Response.Write(reader.GetString(0) + Environment.NewLine);
}
}
}
}
public bool IsReusable {
get {
return false;
}
}
}
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this is what i see when i "inspect element" using chrome(the results ul):
[Code]....
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[Code]....
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Mar 18, 2010I have this version of the autocomplete control working when returning XML from a .ashx handler. The xml looks like this:
<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
<States>
<State>
<Code>CA</Code>
<Name>California</Name>
</State>
<State>
<Code>NC</Code>
<Name>North Carolina</Name>
</State>
<State>
<Code>SC</Code>
<Name>South Carolina</Name>
</State>
The autocomplete code looks like this:
$('.autocompleteTest').autocomplete(
{
source: function(request, response) {
var list = [];
$.ajax({
url: [URL]
dataType: "xml",
async: false,
data: request,
success: function(xmlResponse) {
list = $("State", xmlResponse).map(function() {
return {
value: $("Code", this).text(),
label: $("Name", this).text()
};
}).get();
}
});
response(list);
},
focus: function(event, ui) {
$('.autocompleteTest').val(ui.item.label);
return false;
},
select: function(event, ui) {
$('.autocompleteTest').val(ui.item.label);
$('.autocompleteValue').val(ui.item.value);
return false;
}
});
For various reasons, I'd rather be calling an ASP.NET web service, but I can't get it to work. To change over to the service (I'm doing a local service to keep it simple), the start of the autocomplete code is:
$('.autocompleteTest').autocomplete(
{
source: function(request, response) {
var list = [];
$.ajax({
url: "/Services/GeneralLookup.asmx/StateList",
dataType: "xml",
This code is on a page at the root of the site and the GeneralLookup.asmx is in a subfolder named Services. But a breakpoint in the web service never gets hit, and no autocomplete list is generated. In case it makes a difference, the XML that comes from the asmx is:
<?xml version="1.0" encoding="utf-8" ?>
<string xmlns=[URL]><State> <Code>CA</Code> <Name>California</Name> </State> <State> <Code>NC</Code> <Name>North Carolina</Name> </State> <State> <Code>SC</Code> <Name>South Carolina</Name> </State></string>
Functionally equivalent since I never use the name of the root node in the mapping code. I haven't seen anything in the jQuery docs about calling a .asmx service from this control, but a .ajax call is a .ajax call, right? I've tried various different paths to the .asmx (~/Services/), and I've even moved the service to be in the same path to eliminate these issues. No luck with either.