C# - Dynamicdata Validation Exception Message Caught In JavaScript, Not DynamicValidator
Feb 12, 2010
I have a page here with a few list views on it that are all bound to Linq data sources and they seem to be working just fine.I want to add validation such that when a checkbox (IsVoid on the object) is checked, comments must be entered (VoidedComments on the object).
Here's the bound object's OnValidate method:
partial void OnValidate(ChangeAction action)
{
if (action == ChangeAction.Update) [code]....
Despite there being a dynamic validator on the page referencing the same ValidationGroup as the dynamic control, when the exception fires, it's caught in JavaScript and the debugger wants to break in. The message is never delivered to the UI as expected.
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Nov 22, 2010
My question is, I have a PL, BL and DAL layered architecture (In which all these components are hosted in a single web server).
With the above architecture, i have only placed try catch block in all my events in aspx.cs pages in PL ALONE and NO TRY CATCH BLOCK IN BL AND DAL.
There is one command timeout exception happening at the DAL layer and the exception bubbles back to the PL(aspx page event which is having the try catch block). This try catch block catches the exeption and logs the exception information to database and displays useful information in the UI.
WIth the above approach, sometime very rarely(only once till now) exception is not caught in the PL for the commandtimeout exception thrown from DAL implicitly.I confirmed the exception is not caught because the exception information is not logged into the database and also no useful information displayed in UI.
Why the exception from DAL dint bubble down to PL? Do we need to explicitly throw exception from DAL or BL i.e by having try catch block in BL and DAL ?
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Jan 21, 2010
I have tried this on two different controller methods now, and both times, even if the linq2sql doesn't allow the data to be saved, the code never jumps into the catch block.
I've watched the noun object in the middle of the trace, and the isvalid property is false, but the modelstate isvalid is true. Either way, the code never jumps into the catch block.I'm pulling my hair out about this. I feel like it will be something really silly.
The code all works similar to nerd dinner.
NounRepository nounRepository = new NounRepository();
Noun noun = new Noun();
try[code]...
I'd rather not have to add code in this manner though, as it seems like an unnecessary duplication.
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Feb 11, 2011
I have (pretty much) the following code in my protected void Application_Error(object sender, EventArgs e) method in Global.asax....
Exception ex = Server.GetLastError();
if (ex is
System.Security.SecurityException)
Response.Redirect("Logon.aspx");
else
Response.Redirect("ErrorPage.aspx");
If I navigate to a page before I log on the exception is caught and I am redirected to Login.aspx as I would expect. However, this is only working when debugging using VS on my local machine.When uploaded to the live environment, the exception is not caught and the user is presented with "Security Exception - Request for principal permission failed."
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Mar 23, 2011
I have a .exe application that runs daily. I want to avoid sending emails each time an exception is caught.I want to compile a list of errors (in a unique log file fileupload[mm/dd/yyyy].log) while the application runs. Then send an email with the log attached after it the application finishes.What would be the approach for this?
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Oct 17, 2010
When the Stored procedure is executed through SQL Server Management Studio, its taking 23 seconds,When the same Stored proc is called through web app, its throwing below copied exception. It is noticed that when the data is more than 100k records this exception is thrown other wise expected records are shown in UI. Another stored proc from the same app returns over 150k records without any excetpion. Can't conclude that the exception is in Stored proc, because it works from SQL Server Management studio, but throws below exception from Web app.
[Code]....
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Jul 6, 2010
[Code]....
When doing some custom validation on DateTime fields the thrown exceptions are not caught and simply cause the application to end.
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Jun 11, 2010
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Feb 28, 2011
How can i use Javascript to dispaly the error msg in validation summary . i have the validation summary in master page, and would like to add some error msg if i find some custom errors.
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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);
DbCommand dbCommand = db.GetStoredProcCommand("USP_GETTABLEDATA");
dynamic objDynamic = null;
if (tableName.ToLower() == "a")
{
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;
DataSet dsTableData = db.ExecuteDataSet(dbCommand);
if (tableName.ToLower() == "a")
{
foreach (DataRow dataRow in dsTableData.Tables[0].Rows)
{
objDynamic.Add((A)dataRow);
}
}
else if (tableName.ToLower() == "b")
{
foreach (DataRow dataRow in dsTableData.Tables[0].Rows)
{
objDynamic.Add((B)dataRow);
}
}
else if (tableName.ToLower() == "c")
{
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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Aug 16, 2010
I was created webservice which has a Method:
[Code]....
Then, in my aspx page, i call that method in javascript, but i get a Exception message is "Authentication Failed", code below:
[Code]....
How to resolve this problem?
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Apr 19, 2010
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Dec 25, 2010
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[Code]....
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May 31, 2010
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Feb 3, 2010
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Here's my code
[code]....
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Sep 9, 2010
I have
[ServiceContract]
public interface IBusiness
{
[OperationContract][code]....
Add client: [Code]....
But......... the result
Error:The server encountered an error processing the request. The exception message is 'The formatter threw an exception while trying to deserialize the message: Error in deserializing body of request message for operation 'UpdateLanguage'. The token '"' was expected
but found '''.'. See server logs for more details. The exception stack trace is:
at System.ServiceModel.Dispatcher.OperationFormatter.DeserializeRequest(Message message, Object[] parameters) at System.ServiceModel.Dispatcher.DemultiplexingDispatchMessageFormatter.DeserializeRequest(Message message, Object[] parameters) at System.ServiceModel.Dispatcher.UriTemplateDispatchFormatter.DeserializeRequest
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[Code]....
I have also updated my web.config with my error page that I would like to pass session object data to:
[Code]....
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Handling the exception in asp.net.
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