Web Forms :: What Is The Order Of Multiple Catch?
Feb 11, 2011
what is the order of multiple catch?
Place under the try block :
1 :Major
2 :Minor
3 :Critical
some thing like this..
try
{
}
catch(Exception1 ex)[code]....
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Similar Messages:
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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Dec 17, 2010
In my web application, some users open app in multiple browser page. How can I catch users when they do it?
Edit about why I need such this thing: I have a variable named DealerID, carried between pages with session. Some users want that: "While I make my jobs with a DealerID in one page, make other jobs with another DealerID on another page"
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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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Jan 23, 2010
I have 5 hard corded texboxes in a page in a sequence with sequence Number . Now i want to add re-order /re-arraning functionaly .. but i can't use ajax reorder list because i have 5 hard corded texbox. how can i maintain the order in Insert/Update cases. And also suggest me control that i can use, another than ajax re-order list. coz i not using any list items i have hard corded items on the page.
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Oct 22, 2010
I have two table Order and Order Detail.
What i need is i need to bind last 10 Order in Gridview/details view with paging, and the same order detail also fetch from database and shown in another gridview.. if user click any oderNo in first Gridview/DetailView then i need to show Respective order detail in anther gridview..
without postback coz we already fetch 10 order with orderdetails from the database..and if user click next 10 orderNo using paging then again we need to load 10 orderNo with respective orderdeatils from database like this going on....as well as let me know how to take print of particular oder and order detail....?
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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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Feb 7, 2011
The AjaxToolkit has a ReorderList. I'm searching for a jQuery solution that does the same and found this page. I would like to change the order of divs (vertically) and upload the new order to the database (ajax).
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Apr 24, 2010
From my testing, it appears that the order of parameters for the UpdateParameters must match both the order of the bound fields on the form (asp:Formview), and the order of the parameters in the UpdateCommand. Is that correct? If so, why do the parameters have names if all that matters is the order? I tried both asp:ControlParameter and asp:Parameter. Maybe the more relevant question is why aren't the names used instead of the order, particularly for the form order?
So, given I display the Identity field (CID), and need that for the update, I cannot get the update to work without including it in the UpdateCommand. Of course, since it is an autonumber field in Access, I cannot actually set it. So, I had to add another field to the db (lngUpdateCID) that I could set. That can't be how it has to be done, but I could not figure out another way to do this.
The relevant code is below:
[Code]....
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Sep 27, 2010
I have a property call (add user to a group) that would be hard to write code to check if user is already in group and I need to call it multiple times sometimes for the same group. anyhow it throws an error if user is already in group. easy way if to just put in a try catch and do nothing for the catch. it works fine except there are several errors in the application event log for this error when it happens. I would rather it not to log this error as it takes up time when looking in the event log to say - this is not a valid error log. so is there a way to tell a try catch to not log in the event log an error it is catching? I would rather not change any settings for the whole site but perhaps just this 1 page might be acceptable.
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Mar 31, 2010
When to write try catch block?
Should I write it for each method or only in event handlers or ????
What happens when an exception occurrs? What is the stack for exception?
If I use it at entry point (event handlers) then how do I get actually at which line error occurred?
Suppose an exception was thrown from Data Access Layer How do I get it in presentation layer that exactly in which class method at which line why that error occurred?
Is it true that excessive use of try catch makes application slow?
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Jun 28, 2010
how catch Enter in Page_Load VB.net
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Nov 23, 2010
I want to know how to handle the concurrency throughy code ? ie: I want to access the Concurrency issue or error ? Because if i get the concurrency user or issue I have to do some manipulation.
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Apr 29, 2010
Can somebody show me a better approach of looping through a Try -Catch statement. I have something like this:
Try
dbConn.Open()
Catch ex As Exception
errmsg = ex.Message
End Try
I need to try to connect 5 times before logging an error. My first thought was to nest Try - Catch 5 levels but I didn't like that idea. I'm sure there is better solution to it.
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Feb 22, 2011
i am binding onject in fromview from other webserivice gatewayhow to i catch if the object is not set?
<%# (gw.gatewayobject)gw.gwObject %>
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May 17, 2010
I'm in need of some serious help that has been plaging be for a long time. I have built a custom ASP.NET route handler for handling my product navigation. And my URLS keep breaking.There are so many variations of the manufacturers and thier respective models, that I have been forced to use a massive regular expressions to verify which page to route to and which members and thier properties to populate.
[Code]...
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Sep 7, 2010
I come from a VB environment. I'm looking at 2 different file extensions. If one doesn't exist look at the next. I was hoping to use the try/catch function. I can get it to find the first extension but not the second. Here is my the try/catch part of code:
try
{
string website = xAll;
Response.Redirect(website);
}
catch (FileNotFoundException)
{
string website1 = xAll1;
Response.Redirect(website1);
}
The error dialog that pops up shows Connection Error in the title and a yellow exclamation point with File Not Found! I thought the FileNotFoundException would work(?).
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Mar 2, 2011
What I am trying to do is capture the error from a try catch and pass to a label that is hidden on my masterpage, which is part of the page I am working on. I am injecting an error purposly but nothing is happening, I get no error that pops up and even if I write text to the label nothing pops up at all.
[Code]....
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Jun 10, 2010
Since everyone yells at me that MessageBox doesn't work when the project is uploaded to the server, I need to migrate to javascript alert box. As I was changing my MessageBoxes, I tested and found that they weren't being produced. I'm not sure if it matters, but they are in a try/catch block, which is shown here:[Code]....
This all worked before when I had MessageBox - it showed, then the page redirected when I clicked Ok.
I either don't understand how try/catch works, the javascript isn't adding, or Response.Redirect is executed before I can see the alert box and click Ok on it.
(just as a note, everything works fine, but the alert box doesn't show)........if I add the (javascript) code before the try block, the alert box comes up, so it's not something wrong with the writing of the javascript or executing it at least (I think).
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Apr 3, 2010
I have myPage.aspx and I am adding user control "myUserControl.aspx" to it dynamically. myPage.aspx also has <asp:Button />
myUserControl.ascx has <asp:DropDownList .... PostBack="true"/>
I am doing something in load event of myPage.aspx which I don't want to do when PostBack is originated from the user control
Following is the load event of myPage.aspx
[Code]....
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Aug 29, 2010
I have an ASP.NET (3.5) page. On the page there is a widget. Here is the page code:
[Code]....
The widget (script) displays a list of news from another website like this:
---------------------------------------------------------
title1 (as link)
short description
title2
short description
.............................................
---------------------------------------------------------
1. When a user clicks on one of the links in the above list I want to "catch" the link.
2. ISSUE: When the link (from the list) is clicked the URL is opened in another browser tab
3. If a user clicks on a link I want to redirect him not to the link's URL but to a page of my website.
I have tried using global.asax (application_beginrequest) but, since the link is opened in another tab that function is never reached. How to do this?
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Jan 30, 2011
I have a master page, which has a Menu control:
[Code]....
Now I want to "catch" the event when someone click on the new menu item ("Add File"), which will cause a panel in the content page to become visible. I can't catch it in the master page, because then I won't have access to the panel, and I don't know how to catch it in the content page.
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Jul 26, 2010
I want to catch the session if is null how can I do this. My session is:
Session["kullanici_name"].ToString();
if it is null
Response.Redirect("kulanicigiris.aspx");
And I want to make a logout button. If he /she press the button session=null then page load and check if the session null going to home page.
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Jun 16, 2010
Here is the problem I have this code and i need to write logic to it, but i need to use error handling incase any of the varibles is null:
[Code]....
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Aug 26, 2010
I have a button which starts processing. I want that when ever a button is click from page1.aspx .. a count down timer should start and displayed on page2.aspx. I am thinking of using iframe to join 2 pages.
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