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Angular JS Application에서 단일 열 레코드를 검색하려고합니다. 입력 된 텍스트에 정확한 텍스트를 입력하고 있지만 문제는 데이터 판독기 개체가 항상 false를 반환한다는 것입니다.ADO.NET Reader는 항상 Wcf 서비스에서 False를 반환합니다.
다음은 인터페이스입니다.
[OperationContract를]
[WebInvoke(Method = "GET",
RequestFormat = WebMessageFormat.Json,
ResponseFormat = WebMessageFormat.Json,
UriTemplate = "/GetCustomers/{Account_Holder_Last_Name}")]
string GetCustomers(string Account_Holder_Last_Name);
여기 구현이다.
public string GetCustomers(string Account_Holder_Last_Name)
{
List<object> customers = new List<object>();
string sql = "SELECT * FROM Current_Account_Holder_Details WHERE Account_Holder_Last_Name [email protected]_Holder_Last_Name";
using (SqlConnection conn = new SqlConnection())
{
conn.ConnectionString = ConfigurationManager.ConnectionStrings["DBCS"].ConnectionString;
using (SqlCommand cmd = new SqlCommand(sql))
{
cmd.Parameters.AddWithValue("@Account_Holder_Last_Name", Account_Holder_Last_Name);
cmd.Connection = conn;
conn.Open();
using (SqlDataReader sdr = cmd.ExecuteReader())
{
if (sdr.HasRows)**//Always returns false on this line**
{
while (sdr.Read())
{
customers.Add(new
{
Tittle = sdr["Tittle"],
Account_Holder_First_Name = sdr["Account_Holder_First_Name"],
Account_Holder_Last_Name = sdr["Account_Holder_Last_Name"],
Account_Holder_DOB = sdr["Account_Holder_DOB"],
Account_Holder_House_No = sdr["Account_Holder_House_No"],
Account_Holder_Street_Name = sdr["Account_Holder_Street_Name"],
Account_Holder_Post_Code = sdr["Account_Holder_Post_Code"],
Account_Holder_Occupation = sdr["Account_Holder_Occupation"],
Account_Number = sdr["Account_Number"]
});
}
}
}
conn.Close();
}
return (new JavaScriptSerializer().Serialize(customers));
}
}
각도 JS 코드입니다 .. 여기
@{
Layout = null;
}
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title></title>
</head>
<body>
<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/angularjs/1.3.9/angular.min.js"></script>
<script type="text/javascript">
var app = angular.module('MyApp', [])
app.controller('MyController', function ($scope, $http, $window) {
$scope.IsVisible = false;
$scope.Search = function() {
var post = $http({
method: "GET",
url: "http://localhost:52098/HalifaxIISService.svc/GetCustomers/{Account_Holder_Last_Name}",
dataType: 'json',
data: { Account_Holder_Last_Name: $scope.Account_Holder_Last_Name },
headers: {
'Accept': 'application/json, text/javascript, */*; q=0.01',
'Content-Type': 'application/json; charset=utf-8'
}
});
post.success(function (data, status) {
$scope.Customers = eval(data.d);
$scope.IsVisible = true;
});
post.error(function (data, status) {
$window.alert(data.Message);
});
}
});
</script>
<div ng-app="MyApp" ng-controller="MyController">
Name:
<input type="text" ng-model="Account_Holder_Last_Name" />
<input type="button" value="Submit" ng-click="Search(Account_Holder_Last_Name)" />
<hr />
<table cellpadding="0" cellspacing="0" ng-show="IsVisible">
<tr style="height: 30px; background-color: skyblue; color: maroon;">
<th> Tittle</th>
<th>First Name</th>
<th> Last Name</th>
<th> DOB </th>
<th> House No</th>
<th> Street Name</th>
<th>Post Code</th>
<th> Occupation</th>
<th>Account Number</th>
</tr>
<tbody ng-repeat="m in Customers">
<tr>
<td>{{m.Tittle}}</td>
<td>{{m.Account_Holder_First_Name}}</td>
<td>{{m.Account_Holder_Last_Name}}</td>
<td>{{m.Account_Holder_DOB}}</td>
<td>{{m.Account_Holder_House_No}}</td>
<td>{{m.Account_Holder_Street_Name}}</td>
<td>{{m.Account_Holder_Post_Code}}</td>
<td>{{m.Account_Holder_Occupation}}</td>
<td>{{m.Account_Number}}</td>
</tr>
</tbody>
</table>
</div>
</body>
</html>
는 SQL 스크립트입니다.
CREATE TABLE [dbo].[Current_Account_Holder_Details](
[Account_Holder_Id] [int] IDENTITY(1,1) NOT NULL,
[Tittle] [nvarchar](50) NOT NULL,
[Account_Holder_First_Name] [nvarchar](50) NOT NULL,
[Account_Holder_Last_Name] [nvarchar](50) NOT NULL,
[Account_Holder_DOB] [nvarchar](50) NULL,
[Account_Holder_House_No] [nvarchar](50) NOT NULL,
[Account_Holder_Street_Name] [nvarchar](50) NOT NULL,
[Account_Holder_Post_Code] [nvarchar](50) NOT NULL,
[Account_Holder_Occupation] [nvarchar](50) NOT NULL,
[Account_Number] [int] NULL,
)
여기는 데이터베이스 레코드입니다. 
다음은 VS2015의 스크린 샷입니다. 
다음은 응용 프로그램을 실행할 때의 결과입니다. 
.HasRows를 제거하면 어떻게됩니까? Sql LocalDB를 사용하고 있습니까? 어쩌면 당신이 생각하는 곳을 지적하지 않았을까요? – pmcilreavy