WCF / ASMX :: Web Service Returns Empty Set: Xsi:nil="true"?
Aug 25, 2010
I am new to web service. I am trying to connection to an oracle database with 2 input parameters. The web service works fine in the VS2010 environment but when i publish it on to my local machine IIS or on the test web server I do not get a result set back. I get this:
<?xml version="1.0" encoding="utf-8" ?>
<DataSet xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xsi:nil="true" xmlns="http://test.INT/" />
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Jul 22, 2010
I'm new to WCF and this is definitely a rookie question. Why does my browser show/return nothing when I type this URL: http://localhost/service.svc/root, using the code below. I was hoping I would see an xml respone like: <double>56.78</double>. service.svc
--------------------------------------------------------------------------------------
<%@ ServiceHost Language="C#" Service="EssentialWCF.StockService" %>
using System;
using System.ServiceModel;
using System.ServiceModel.Web;
[code]...
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Mar 24, 2011
I have a web application in ASP.NET 4.0. I've added an asmx service, primarily as a source for the autocomplete extender's lookup values.
When I debug on my machine locally, everything works fine. However, when I deploy the web application to IIS 7.5, I get a HTTP 404 response when trying to send data to the service.
I am able to browse to the service definition, see the available operations. Tellingly, however, when I use the test pages to test the service using POST, I receive an HTTP 404 again.
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Mar 3, 2011
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Mar 26, 2010
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[Code]....
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Feb 9, 2011
In our project WCF service is acting as our BLL.
i had scenario where i had to fill list of object class without knowing its type see code:
Added contract
[OperationContract]
dynamic GetReferenceTableData(string tableName);
method in service:
public dynamic GetReferenceTableData(string tableName)
{
try
{
dynamic tableData = ReferenceTableDAL.GetReferenceTableData(tableName);
return tableData;
}
catch (Exception ex)
{
throw;
}
}
method at DAL(ReferenceTableDAL):
public static dynamic GetReferenceTableData(string tableName)
{
Database db = DatabaseFactory.CreateDatabase(Flags.ConnectionStringKey);
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dynamic objDynamic = null;
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{
objDynamic = new List<A>();
}
else if (tableName.ToLower() == "b")
{
objDynamic = new List<B>();
}
else if (tableName.ToLower() == "c")
{
objDynamic = new List<C>();
}
try
{
db.DiscoverParameters(dbCommand);
dbCommand.Parameters["IN_TABLENAME"].Value = tableName;
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{
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objDynamic.Add((B)dataRow);
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}
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{
foreach (DataRow dataRow in dsTableData.Tables[0].Rows)
{
objDynamic.Add((C)dataRow);
}
}
}
catch (Exception ex)
{
throw;
}
return objDynamic;
}
@ Aspx
try
{
using (DataServiceRef.DataServiceClient petService = new DataServiceRef.DataServiceClient())
{
dynamic tableData = petService.GetReferenceTableData(tableName);
//tableData is null ,exception
}
}
catch (Exception ex)
{
throw;
}
There is no exception at dal or service end when i debug list gets filled ok but when returns to aspx error at aspx(no exception gets caught at @ service) but exception at aspx i.e:
Message:The underlying connection was closed: The connection was closed unexpectedly.
Stack Trace: at System.Net.HttpWebRequest.GetResponse()
at System.ServiceModel.Channels.HttpChannelFactory.HttpRequestChannel.HttpChannelRequest.WaitForReply(TimeSpan timeout)
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Jan 16, 2011
I have a strongly typed Edit view that expects a viewmodel class. On its post action, I want it to use TryUpdateModel to update the database with the new info. When debugging, TryUpdateModel returns true, but when I look in the database, nothing happened.
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[Code]....
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Jan 6, 2010
This is driving me crazy. I am using CKEditor so I can not use RFVs. I have succssfully used the combo of onClick and onClientClick for confirmation but when I try to use it with form validating JS it returns true each time and does the postback.
JavaScript:
[code]....
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Aug 17, 2010
I have built a WCF Service that is being consumed by a Silverlight app. At first I created one method that was very simple:
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{
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public List<String> GetTest()
{
List<String> list = new List<string>();
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May 24, 2010
I have a page where, when the user has successfully logged in, I store some values in the session.
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Dec 22, 2010
I have a html input button like this
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[code]....
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Feb 15, 2011
I have a class library which has my LINQ doc in it. I added a stored procedure and I get the following in my .dbml.layout :
[Code]....
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Code in class that calls this SP :
[Code]....
So I switched code to the following in my dbml.layout document :
[Function(Name="dbo.sp_newsSearch")]public IEnumerable<news_search_result> sp_newsSearch([Parameter(DbType="VarChar(200)")] string searchVal){IExecuteResult result = this.ExecuteMethodCall(this, ((MethodInfo)(MethodInfo.GetCurrentMethod())), searchVal);return ((IEnumerable<news_search_result>)(result.ReturnValue));}
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[Code]....
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Feb 17, 2011
I'm .NET newbie and I have to write function which executes stored procedure and return DataTable.
my SqlConnection is already initialized and while running in debugger I can see DataAdapter returns values, but my DataTable is empty.
public DataTable ExecStoredProcedure(String spName, String uId)
{
DataTable dt = new DataTable();
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conn.Open();
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Nov 10, 2010
With script below, request to the server always sends empty string (even if value is not emtpty), where the data line is:
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Script is:
<script type="text/javascript">
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$(".classificationFolder").each(function () {
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I tested the code In IE8 and Chrome 8.0.552.28 beta. This issue is arising in both of the browsers.
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I have a WCF service with cyclic references that I was using the CyclicReferencesAwareAttribute attribute (http://chabster.blogspot.com/2008/02/wcf-cyclic-references-support.html) to solve. However now I want to use the same service with a Silverlight client. Receiving data works well on the Silverlight client with this method, however the CyclicReferencesAwareAttribute attribute does not work on the Silverlight side when I want to send objects back again.
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Apr 4, 2011
I define the datasource in my c# code and I have a submit button which takes the value of the radiobuttonlist
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Oct 13, 2010
This is completely frustrating and probably embarrassing as well. A while back I posted a similar question and resolved the issue. [URL]...scope_identity The program has been working ever since, until yesterday when as it turns out SCOPE_IDENTITY() started returning an empty string even though a record is being inserted. I am not sure what has changed since the fateful day.
[Code]...
I am hoping that there is something I am just not seeing here. A lot of the information I have seen thus far indicates that there are problems with SCOPE_IDENTITY() but most of those are related to inserting multiple records. As you can see this should be fairly straight forward. The thing that really has got my goat is that it used to work and now it doesn't. If someone could take a look at the above code and comment on any anomalies it would be great. Also I have heard suggestions for switching to ADO.NET and it is beginning to look a lot more attractive every day. But I have a ways to go before making the switch so it is SqlDataSources for now
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Jan 29, 2010
I have developed a web application 3 months ago to show facebook users by searching username. To access facebook, I have downloaded facebook dll and got application key, and secret key from facebook. My web application was working fine and displaying records from facebook. yesterday onwards, my application is not working fine. I could not get response when I search by name. I have tested the fql in the facebook testAPI tool online. That time i can get response. but the same fql i used in my appliation but it could not get response from facebook when I search by name. If i search by uid i can get response from facebook. here is my code.
facebook.Components.FacebookService fb = new FacebookService();
fb.ApplicationKey = "bfeefa69afdfe81975f0d6136ace3009";
fb.Secret = "9b672d682e1d8befd06382953fc2615b";
fb.IsDesktopApplication = false;
//the below fql gives response as xml.
//select name, profile_url from user where uid = '1730923544' -I can get response for this fql.
//the below fql does not give response as xml. But it gives empty string.
//the below fql does gives us response as xml when i try in facebook testAPI.
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string s = fb.fql.query("select name, pic_square, profile_url from user where name = 'Suresh Rajan'");
if (String.IsNullOrEmpty(str1))
Response.Write("Empty Response");
else
Response.Write(str1 + " ");
how to search by name in facebook fql.
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Aug 29, 2010
I have a web form and I have a user control on it. This user control contains a panel with some user properties that are to be stored in a database. So far nothing fancy. The user control itself contains a panel and is working fine (all code to retrieve and store the values is working).
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I am trying to import data from excel and Reading Excel sheet from asp.net returns empty cell, when the data type is changing from number to text example
Prog
----
2000
4000
6000
AN00 -- reading as empty
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Dim strConn As String = "Provider=Microsoft.Jet.OleDb.4.0;" _
& "data source= '" & FileName & "';" _
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[Code]....
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[Code]....
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We have run the memory profiler on the service and the leak is all native memory. We have uninstalled/re-installed the Framework on one of the machines but no difference. To our knowledge all of the security and IIS settings are not modified. We have compared app pool, default web site and virtual directory properties to machines that have no problem and they are identical.
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