SQL Server :: How To Catch Exceptions On Asp.net OLAP GridView
Oct 4, 2010
I am fairly new to the asp.net scene. Having build a dashboard gathering info on my OLAP system's health status, I can't seem to figure out how to make sure that I catch the no connection exception.I use the following statements on the datagrid:a) want to change the color of ssas2 button to red if an exception is throw
MyDBConn.ConnectionString =
"Provider=MSOLAP.4;Data Source=core-ssas2;Integrated Security=SSPI;Initial Catalog=Financials;Connect Timeout=6000"
MyDBConn.Open()
MyDBConn.CreateCommand.CommandTimeout = 120
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Similar Messages:
Oct 4, 2010
I am fairly new to the asp.net scene. Having build a dashboard gathering info on my OLAP system's health status, I can't seem to figure out how to make sure that I catch the no connection exception.use the following statements on the datagrid:a) want to change the color of ssas2 button to red if an exception is thrown
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Feb 23, 2010
RemoteOnly" defaultRedirect="~/Errors.aspx">
<error statusCode="404" redirect="~/Error.aspx?code=404"/>
</customErrors>
hrow new HttpException(404, "404 Not Found");
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Nov 29, 2010
If I am just logging exception details in my web app, do I really need to put in exception handling logic for each tier? Why not just let them all bubble up the stack trace to the global.asax and log them there?
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Oct 30, 2010
I'm trying to improve my password change function in my app that allows members to change their passwords. I do have some password rules e.g. min 7 characters, etc.
There's a nice MembershipCreateStatus enumeration in the framework for creating new members. Is there a similar tool for catching password exceptions where the user's newly selected password doesn't match the rules?
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Nov 4, 2010
I was wondering what will be the method to catch any exception at server end and to show the error message in a div with error icon on top of the page using jquery. All the examples I have browsed show how to display the div on click of some button or link but in my case the scenerio is different. I want to use it for displaying messages to user and make use of Jquery's animations as well.
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Dec 31, 2010
I have a couple of questions on exception handling in .net: 1- Why do we have to catch specific exceptions other than the reason of displaying a particular error to the user? What if we wanted to always display a generic error to the user and not give him much details, would it be okay to catch only generic xceptions?
2- Is throwing exceptions from the data access layer to the UI layer best practice, or is it recommended to return a string or perhaps a boolean values from the data access layer to the UI layer?
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Jan 27, 2011
Looking for best practice focused answers here with explanations.
Should the presentation layer of an ASP.Net app catch and handle exceptions thrown from the business layer, or should these be allowed to bubble out, where they can all be logged and handled uniformly in the Global.ascx's Application_Error handler?
[code]....
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Jun 21, 2010
I have designed a gridview one of the fields of which I want to send the user to an URL onclick. After browsing the net for a while, I opted for converting the BoundField to a TemplateField. The same OLAP metric ([Measures].[GP]) works fine in the bound field yet produces an error in the Template:
<asp:TemplateField
HeaderText="GP Var">
<HeaderStyle
Font-Names="Verdana"
Font-Size="Smaller"
HorizontalAlign="Center"
[code]...
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Jan 26, 2010
I'm building the standard 3-tier ASP.NET web application but I'm struggling as to where to do certain things - specifically handling exceptions.
I've tried to have a look around on the web for some examples but can't find any which go as far as a whole project showing how everything links together.
In my data-tier I'm connecting to SQL Server and doing some stuff. I know I need to catch exceptions that could be raised as a result but I'm not sure where to do it.
From what I've read I should be doing it in the UI tier but in that case I'm not sure how to ensure that the connection to the database is closed. Is anyone able to clarify how to do this? Also if anyone knows as to where I could find an example 3-tier web application that follows best practices that would be great too.
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Dec 9, 2010
We have a asp.net application and want to implement logging. The first idea was to use the Application_Error method in the global.asax file.
The problem is that ASP.NET very often seem to throw exceptions internally that are not caused by the application and which seem not to interfer with the users normal workflow. For example we often get HTTPExceptions, UnauthorizedAccessExceptions and others caught in this method, although there is no real error in the application.
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Feb 7, 2010
Here is the code copied from [URL] In asp.net code behind, I use try-catch try to catch any error but never catch it. In SQL database, if I rename Employees to Employeesx or change column DepartmentID to DepartmentIDx, record will not be deleted (it is right) without any error (it is wrong, suppose catch an error).
CREATE PROCEDURE DeleteDepartment
(
@DepartmentID int
)
AS
BEGIN TRANSACTION
DELETE FROM Employees
WHERE DepartmentID = @DepartmentID
IF @@ERROR <> 0
BEGIN
ROLLBACK
RAISERROR ('Error', 16, 1)
RETURN
END
DELETE FROM Departments
WHERE DepartmentID = @DepartmentID
IF @@ERROR <> 0
BEGIN
ROLLBACK
RAISERROR ('Error', 16, 1)
RETURN
END
OMMIT
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Sep 14, 2011
I get this error in the browser:
Code:
Thread was being aborted.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details: System.Threading.ThreadAbortException: Thread was being aborted.
Source Error:
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
Stack Trace:
[ThreadAbortException: Thread was being aborted.]
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +486
System.Web.ApplicationStepManager.ResumeSteps(Exception error) +501
System.Web.HttpApplication.System.Web.IHttpAsyncHandler.BeginProcessRequest(HttpContext context, AsyncCallback cb, Object extraData) +123
System.Web.HttpRuntime.ProcessRequestInternal(HttpWorkerRequest wr) +379
Version Information: Microsoft .NET Framework Version:2.0.50727.3053; ASP.NET Version:2.0.50727.3053
I have try{}catch(Exception ex){} in the right place:
Code:
protected void Button1_Click(object sender, EventArgs e)
{
try
{
// all processing occurs inside here
}
catch(Exception ex)
{
}
}
I even created a global.asax file and on the Application_Error event, I wrote a code that would email me the error (and i'm not getting an email regarding that error when I get the error shown above). I know for a fact that the thread is going inside the "try" statement because I send emails to myself whenever it finishes certain codes inside of it. So how come I'm getting that error in my browser instead of it being handled in my "catch" statement? I have two problems here, one, why is the exception not going to my "catch" statement, and two, why am I getting that error in the first place.
Note: my web app calls a webservice.
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Nov 9, 2010
I'm trying to remove a user from the aspnet_Users table.
[Code]....
I received the following error during my try-catch test:
System.Data.SqlClient.SqlException was caught Message=The DELETE statement conflicted with the REFERENCE constraint "FK_lusHmoob_aspnet_Users". The conflict occurred in database "laujtsov", table
"laujAdmin.lusHmoob", column 'whoInsert'.
The statement has been terminated.
Source=.Net SqlClient Data Provider
ErrorCode=-2146232060
[Code].....
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Apr 20, 2010
i am trying to compare four columns in two tables(both are in the same schema), table a has two columns for firstname and last name , table b has similar columns firstname and last name, i wish to compare both and if there are similarities, do nothing but if there are differencies, export or write them to a exception or error table.. not quite sure what if statement i should write or how to go about this.
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Oct 27, 2010
I have a live working website (ASP.NET 3.5) that pulls data from an OLAP cube on a remote server without any problems. However I now need to move the website to a different web server, and for reasons unknown I cannot get the OLAP queries to work in the new location.
I have installed the same versions of .NET Framework (3.5) and ADOMD.NET (8.0) on both servers, and the website pages were copied across servers with no changes made, so this can't be a coding issue. However I get errors like the following when the new site tries to query the OLAP cube:
[Code]....
(Note: run_olap_query is my method that attempts to run the query). The error would there is a mistake in the syntax of the MDX query, however that is definitively not the case. I have retrieved the MDX that the page attempted to run at the error reporting stage and have run it manually in Analysis Services - it returns results with no complaints. The same MDX queries are also still running quite happily on the original website.The only notable difference I can spot between the servers is that the original server has SQL Server 2000 installed and the new server has no version of SQL Server, but I would not expect the site to need SQL Server on the local machine to run these queries. Does anyone know if this is the case? I'm somewhat stumped as to what the cause of the issue is here, and am completely out of ideas as to where to look.
P.S. Here is my code, though I do not think it will be relevant:
[Code]....
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Mar 30, 2011
n my button_click event, I have three data connections being opened and closed... I'm wondering... should I have one try/catch statement with the three connections and executions in the single try/catch... or should I have a try/catch statement for each connection/execution?
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Oct 19, 2010
Im using Google Analytics Dashboard Control which are available at [URL] Issue is its working fine when im connected to internet but if im using it on a machine that doesnt have internet access then it shows Server Error in '/' Application. The remote name could not be resolved: '[URL]' I want to catch this exception and shows a friendly message to user. Im calling these dashboard control on my View in an iframe like this <iframe src="../../GoogleAnalytics/Visitor.aspx" height="275"></iframe> and if i place try catch in Visitor.aspx page it doesnot catch the exception. How should i catch this exception, Im using asp.net mvc 2 with c#
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Mar 18, 2010
I am able to dynamily bind my grid to the cube based off the facillity I have selected. Now, if a facility has multiple cubes, I want the users to switch between the two cubes dynamicly, so I have created a drop down list showing their cubes and the ones that they can select. Currently I'm been trying several things in order to "rebind" the data but they don't seem to be working, so I figured I would attach my code to see if anyone Had a good idea.
If I make the cube change then switch back over to change facility and then back to the page, the new cube will load. So I have to find a way to do it in the one step rather then have them navigate to another page and then back again. Perhaps auto navigate them to a page and have that page send them back etc... Anyway here is the code: I first bind the data via the page_prerender call
[Code]....
Then the code drops down into the LoadCube(FacilityID) sub routine
[Code]....
Then here is the setup for the subroutine that will call the page load/ should change the cube to the correct cube.
[Code]....
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Jun 13, 2010
it will be very interesting that controls for input in forms have another property ie semanticid semanticname so semantically can be relationate i.e textboxes content if then we retrieve the data using linq having olap cubes we could have a lot of diferent views comunicating diferent controls of diferent webparts that shares the same semantically set or point to same ontology for the several dates or same localization from different input forms collection data,etc.
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Nov 4, 2010
I have an asp.net control that contains a grid view sitting on top of an Ajax update panel. The control has been added to a sharepoint page. When a button is clicked, some server code is called to store the contents of the grid. If the server code throws an error, I want to spit out a javascript alert displaying the error message, but for some reason the error that bubbles up from the server is the generic 500 server error, which doesn't contain any details of the original error.
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Dec 9, 2010
how to present a .cube created in BI Development Studio as part of a .aspx page? Windows Server 2008 hosting the site using IIS 7. The SQL server and the management studio and the BI Development Studio used to create the .cube are on the same windows server. Am using Visual Studio 2010 Premium to develop for .NET Framework Verison 4. Using an impersonation account to control access to the db.
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Feb 22, 2010
I have a GridView tied to an XmlDataSource to take advantage of the edit/update/delete capabilities GridView inherently offers. XmlDataSource offers no update event handling so that must be performed manually. I have no problem with this. My problem is how/where can I catch this update event to perform my custom handling.
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Mar 25, 2011
I have developed Dynamic Data application for DB administration. I'd like to show thrown exception message (when connection to db is closed) in UI friendly manner. I cant figure out where to catch this exception.
Tried EntityDataSource events in List PageTemplate - no success.
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Jan 21, 2010
How should I log exceptions? I never tried logging in .NET before. Nor try to dump exceptions to a txt (or binary) file. I dont require a text file, just a way to view the logs with the file and line #.
-edit- using asp.net
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