jquery ui 自动补全

http://www.dotnetcurry.com/ShowArticle.aspx?ID=515

http://stackoverflow.com/questions/2471166/jquery-autocomplete-jquery-ui-1-8rc3-with-asp-net-web-service

<script type="text/javascript">
        $(function () {
            $("#BaoMingName").autocomplete({
                source: function (request, response) {
                    $.ajax({
                        url: "handler/WebService.asmx/GetData",
                        data: "{'StuName':'" + request.term + "'}",
                        dataType: "json",
                        type: "POST",
                        contentType: "application/json; charset=gbk2312",
                        dataFilter: function (data) { return data; },
                        success: function (data) {
                            response($.map(data.d, function (item) {
                                return {
                                    value: item.StuName
                                }
                            }))
                        },
                        error: function (XMLHttpRequest, textStatus, errorThrown) {
                            alert(textStatus);
                        }
                    });
                }, select: function (event, ui) {
                    //alert(ui.item.value);
                    $.ajax({
                        url: "handler/WebService.asmx/GetSingleStu",
                        data: "{'StuName':'" + ui.item.value + "'}",
                        dataType: "json",
                        type: "POST",
                        contentType: "application/json; charset=gbk2312",
                        dataFilter: function (data) { return data; },
                        success: function (data) {
                            //                            alert(data.d);
                            var str = data.d;

                            var json = eval(str);
                            $.each(json, function (i) {
                                alert(json[i].StuID);
                                //$("#Test").html(json[i].StuID);
                            });
----------------------------------从后台活动的json取值-------------------------------------------------
                            //                            var list = eval(data.d);
                            //                            for (var i = 0; i < list.length; i++) {
                            //                                $("#Test").html(list[i].StuName);
                            //                            }
                        },
                        error: function (XMLHttpRequest, textStatus, errorThrown) {
                            alert(textStatus);
                        }
                    });
                },
                minLength: 1
            });
        });
    </script>

DataTable转换为json

 private string CreateJsonParameters(DataTable dt)
    {
        StringBuilder JsonString = new StringBuilder();
        //Exception Handling        
        if (dt != null && dt.Rows.Count > 0)
        {
            JsonString.Append("{ ");
            JsonString.Append("d:[ ");
            for (int i = 0; i < dt.Rows.Count; i++)
            {
                JsonString.Append("{ ");
                for (int j = 0; j < dt.Columns.Count; j++)
                {
                    if (j < dt.Columns.Count - 1)
                    {
                        JsonString.Append(dt.Columns[j].ColumnName + ":" + "\"" + dt.Rows[i][j].ToString() + "\",");
                    }
                    else if (j == dt.Columns.Count - 1)
                    {
                        JsonString.Append(dt.Columns[j].ColumnName + ":" + "\"" + dt.Rows[i][j].ToString() + "\"");
                    }
                }
                /**/
                /*end Of String*/
                if (i == dt.Rows.Count - 1)
                {
                    JsonString.Append("} ");
                }
                else
                {
                    JsonString.Append("}, ");
                }
            }
            JsonString.Append("]}");
            return JsonString.ToString();
        }
        else
        {
            return null;
        }
    }