jquery.autocomplete 搜索文字提示

function GetJobTitle(obj) {
    $(obj).autocomplete("GetJobTitle.ashx", {
        max: 12,    //列表里的条目数
        minChars: 0,    //自动完成激活之前填入的最小字符
         300,     //提示的宽度，溢出隐藏
        scrollHeight: 300,   //提示的高度，溢出显示滚动条
        matchContains: true,    //包含匹配，就是data参数里的数据，是否只要包含文本框里的数据就显示
        autoFill: false,    //自动填充
        extraParams: { key: function () { return $(obj).val(); }, key1: function () { return $(obj).val(); } },
        parse: function (data) {
            return $.map(eval(data), function (row) {
                return {
                    data: row,
                    value: row.jobid,
                    result: row.jobTitle
                }
            }); //对ajax页面传过来的数据进行json转码
        },
        formatItem: function (row, i, max) {
            return row.jobTitle;
        },
        formatMatch: function (row, i, max) {
            return row.jobTitle + row.jobid;
        },
        formatResult: function (row) {
            return row.jobid;
        }
    }).result(function (event, row, formatted) {
        return row.jobid;
    });
}

　　

 public void ProcessRequest (HttpContext context) {
        String key = context.Request["key"];
        String key1 = context.Request["key1"];
        if (context.Request["q"] != null && context.Request["q"] != "")
        {

            context.Response.Write(GetLikeJobTitle(context.Request["q"]));
        }


        context.Response.Charset = "utf-8";
        context.Response.ContentEncoding = System.Text.Encoding.UTF8; 
        context.Response.ContentType = "application/json";
        context.Response.End();
    }
    public String GetLikeJobTitle(String key)
    {
        String strJson = String.Empty;
        System.Data.DataSet ds = new DataSet();
        using (System.Data.SqlClient.SqlConnection con = new SqlConnection(sqlcon))
        {
            System.Text.StringBuilder strWhere = new StringBuilder("select top 10 jobid,jobTitle from job_job where 1=1");
            strWhere.Append(" and  PATINDEX('%").Append(key.Trim()).Append("%',jobTitle)>0");
            SqlDataAdapter sqlda = new SqlDataAdapter(strWhere.ToString(), con);
            sqlda.Fill(ds);
            if (ds.Tables[0].Rows.Count > 0)
            {
                strJson = Newtonsoft.Json.JsonConvert.SerializeObject(ds.Tables[0]);
            }
        }

        return strJson;
    }

<input type="text" value="" onkeyup="GetJobTitle(this);" style="300px;"/>

JS和CSS引用

<script src="Scripts/jquery-1.6.1.min.js" type="text/javascript"></script>
<link href="Scripts/jquery.autocomplete.css" rel="stylesheet" type="text/css" />
<script src="Scripts/jquery.autocomplete.js" type="text/javascript"></script>
<script src="Scripts/Auto_SaerchKey.js" type="text/javascript"></script>

 DEMO