c# - 过滤自动完成列表中的数据
问题描述
我想将值“merk”发送到“modelName”,例如,如果我选择“ÄUDI”,在我的自动完成下拉列表中将只显示奥迪的模型车。
这是我的 aspx.cs
private void Get_data (string merkName)
{
List<string> modelNames = new List<string>();
string cs = ConfigurationManager.AppSettings["ConnectionString"];
OracleConnection conn = new OracleConnection(cs);
{
OracleCommand comm = new OracleCommand("Package_AUTOCOMPLETE.get_data", conn);
comm.CommandType = CommandType.StoredProcedure;
comm.Parameters.Add(new OracleParameter("P_STRING", OracleDbType.Varchar2, 80)).Value = searchTxt;
comm.Parameters.Add(new OracleParameter("P_MERK", OracleDbType.Varchar2, 80)).Value = merkName;
comm.Parameters.Add(new OracleParameter("P_CURSOR", OracleDbType.RefCursor)).Direction = ParameterDirection.Output;
comm.Parameters.Add(new OracleParameter("P_STATUS", OracleDbType.Varchar2, 1)).Direction = ParameterDirection.Output;
comm.Parameters.Add(new OracleParameter("P_ERROR_MESSAGE", OracleDbType.Varchar2, 100)).Direction = ParameterDirection.Output;
conn.Open();
OracleDataReader rdr = comm.ExecuteReader();
while (rdr.Read())
{
modelNames.Add(rdr["MODEL_DESC"].ToString());
}
}
}
protected void ddlMerk_SelectedIndexChanged(object sender, EventArgs e)
{
//
//string model = "";
string merk = "";
merk = ddlMerk.SelectedItem.ToString();
Get_data(merk);
}
这是我的jQuery
$(function () {
$('#<%=searchTxt.ClientID%>').autocomplete({
source: function (request, response) {
$.ajax({
url: "default2.asmx/getModelName",
data: "{ 'modelName': '" + request.term + "' }",
type: "POST",
dataType: "json",
contentType: "application/json;charset=utf-8",
success: function (data) {
response(data.d.slice(0, 10));
response(data.d);
},
//error: function (result) {
// alert('There is a problem processing your request');
// console.log("err res->>",result);
//}
});
},
minLength: 3
});
});
请帮忙给出一个解决方案,谢谢:)
这是我的 Json 视图
[ {“MERK_ID”:“1”,“MERK_NAME”:“AUDI”,“TYPE_NAME”:“A3”,“MODEL_NAME”:“1.2 TFSI”,“MODEL_DESC”:“AUDI-A3-1.2 TFSI”},{ “MERK_ID”:“1”,“MERK_NAME”:“AUDI”,“TYPE_NAME”:“A3”,“MODEL_NAME”:“NEW 2.0 FSI SPORTBACK TRIPTRONIC”,“MODEL_DESC”:“AUDI-A3-NEW 2.0 FSI SPORTBACK TRIPTRONIC” " }, { "MERK_ID": "1", "MERK_NAME": "AUDI", "TYPE_NAME": "A3", "MODEL_NAME": "S3 LIMOUSINE 2.0 TFSI QUATTRO", "MODEL_DESC": "AUDI-A3-S3豪华轿车 2.0 TFSI QUATTRO" }, { "MERK_ID": "2", "MERK_NAME": "BAJAJ", "TYPE_NAME":“AVENGER”、“MODEL_NAME”:“CRUISE 220”、“MODEL_DESC”:“BAJAJ-AVENGER-CRUISE 220”}、{“MERK_ID”:“2”、“MERK_NAME”:“BAJAJ”、“TYPE_NAME”:“AVENGER” ", "MODEL_NAME": "STREET 160", "MODEL_DESC": "BAJAJ-AVENGER-STREET 160" }, { "MERK_ID": "2", "MERK_NAME": "BAJAJ", "TYPE_NAME": "CT", “MODEL_NAME”:“100”,“MODEL_DESC”:“BAJAJ-CT-100”},{“MERK_ID”:“3”,“MERK_NAME”:“BENELLI”,“TYPE_NAME”:“502C”,“MODEL_NAME”: “500 CC”,“MODEL_DESC”:“BENELLI-502C-500 CC”},{“MERK_ID”:“3”,“MERK_NAME”:“BENELLI”,“TYPE_NAME”:“CAFERACER”,“MODEL_NAME”:“1130 CC”,“MODEL_DESC”:“BENELLI-CAFERACER-1130 CC”},{“MERK_ID”:“3”,“MERK_NAME” :“BENELLI”,“TYPE_NAME”:“LEONCINO”,“MODEL_NAME”:“250”,“MODEL_DESC”:“BENELLI-LEONCINO-250”},
解决方案
我根据您的 json 改编了一个没有 ajax 的示例:
$(function() {
$("#autocomplete").autocomplete({
source: function(request, response) {
//to put in section success of your ajax ------------------
//regex to select data which starts with the input (nocase)
var regex = new RegExp("^" + request.term,"i");
//filter data following the input
var ndata = data.filter((d) => regex.test(d.MERK_NAME));
response($.map(ndata, function(item) {
return {
label: item.MODEL_DESC,
}
}));
},
minLength: 3,
});
});
var data = [{
"MERK_ID": "1",
"MERK_NAME": "AUDI",
"TYPE_NAME": "A3",
"MODEL_NAME": "1.2 TFSI",
"MODEL_DESC": "AUDI-A3-1.2 TFSI"
},
{
"MERK_ID": "1",
"MERK_NAME": "AUDI",
"TYPE_NAME": "A3",
"MODEL_NAME": "NEW 2.0 FSI SPORTBACK TRIPTRONIC",
"MODEL_DESC": "AUDI-A3-NEW 2.0 FSI SPORTBACK TRIPTRONIC"
},
{
"MERK_ID": "1",
"MERK_NAME": "AUDI",
"TYPE_NAME": "A3",
"MODEL_NAME": "S3 LIMOUSINE 2.0 TFSI QUATTRO",
"MODEL_DESC": "AUDI-A3-S3 LIMOUSINE 2.0 TFSI QUATTRO"
},
{
"MERK_ID": "2",
"MERK_NAME": "BAJAJ",
"TYPE_NAME": "AVENGER",
"MODEL_NAME": "CRUISE 220",
"MODEL_DESC": "BAJAJ-AVENGER-CRUISE 220"
},
{
"MERK_ID": "2",
"MERK_NAME": "BAJAJ",
"TYPE_NAME": "AVENGER",
"MODEL_NAME": "STREET 160",
"MODEL_DESC": "BAJAJ-AVENGER-STREET 160"
},
{
"MERK_ID": "2",
"MERK_NAME": "BAJAJ",
"TYPE_NAME": "CT",
"MODEL_NAME": "100",
"MODEL_DESC": "BAJAJ-CT-100"
},
{
"MERK_ID": "3",
"MERK_NAME": "BENELLI",
"TYPE_NAME": "502C",
"MODEL_NAME": "500 CC",
"MODEL_DESC": "BENELLI-502C-500 CC"
},
{
"MERK_ID": "3",
"MERK_NAME": "BENELLI",
"TYPE_NAME": "CAFERACER",
"MODEL_NAME": "1130 CC",
"MODEL_DESC": "BENELLI-CAFERACER-1130 CC"
},
{
"MERK_ID": "3",
"MERK_NAME": "BENELLI",
"TYPE_NAME": "LEONCINO",
"MODEL_NAME": "250",
"MODEL_DESC": "BENELLI-LEONCINO-250"
}
];
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>autocomplete</title>
<link rel="stylesheet" href="//code.jquery.com/ui/1.12.1/themes/smoothness/jquery-ui.css">
<script src="//code.jquery.com/jquery-1.12.4.js"></script>
<script src="//code.jquery.com/ui/1.12.1/jquery-ui.js"></script>
</head>
<body>
<label for="autocomplete">Select Something </label>
<input id="autocomplete">
</body>
</html>
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