Javascript And .net Returning Incorrect Results?
Nov 17, 2010
We are noticing this occurs BOTH in javascript and in VB.net 2.0. So basically both in server side and client side code. Basically if you run this equation 975328 - 153279.43 you get the following answer 822048.57000000007. However, if you run 975328 - 153279.4, 975328 - 153279.433, or 975328 - 153279.5 everything is returned correctly. WHY the system calcuates the 975328 - 153279.43 with an answer with 11 decimal places? Not to mention adding the 7 in the 11th decimal place, thus making the equation answer incorrect.Of course I know I can trim, set the answer to appropiate decimal places, etc., etc.the above is proven by just entering the equation into the immidiate window, thus ellimnating varibables such as object types, etc., etc.
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May 18, 2010
I have been having an issue with returning records from a SQLServer database where the date the record was created is between 2 user specified dates. When I populate the DataGridView with the results, they are incorrect and do not follow any recognisable pattern.
For example, if I specify the dates 05/05/2010 and 12/05/2010 I get the attached data in the DataGridView.
Code:
Private Sub btnGo_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnGo.Click
'Clear the DataGridView
[Code].....
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Apr 27, 2011
I have a asp.net mvc route that is taking a url and doing a simple get and return the status code from the request.
<AcceptVerbs(HttpVerbs.Post)> _
Public Function ValidateUrlStatusCode(ByVal url As String) As ActionResult
Dim code As Integer = 0
[Code]....
Now if I use firefox (using Firebug) and go to the url http://www.facebook.com/blah.html, I get the expected 404 returned. However if I use my application to call the mvc route via an ajax call, I get 200. If I set the request object's AllowAutoRedirect to false, I get 302. I never get a 404. I am verifying this once again through Firebug.
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Mar 19, 2010
I have a asp.net mvc route that is taking a url and doing a simple get and return the status code from the request.
<AcceptVerbs(HttpVerbs.Post)> _
Public Function ValidateUrlStatusCode(ByVal url As String) As ActionResult
Dim code As Integer = 0
[code].....
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Feb 17, 2011
Im working on a board game in vb.net. But Ive stumbled on a problem; for some reason Im not getting the correct location reference when I move my picturebox. Let me explain the procedure; First it locates the current position of Red1 with Red1Top and Red1Left, and assigns a number for its position; intCurrentSpot. Then it adds what ever was rolled from the dice intDieA to the current location; intCurrentSpot and the second case statement moves it to the new location. HOWEVER position 11 reads as position 10 and hence gives the user an incorrect reading to where the dice points. Ive checked the numbers over a thousand times and still getting an incorrect reading, what am I doing wrong or can I use something else to get Red1 location?[code]...
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Mar 10, 2009
When subtracting two doubles the result appears to be correct but when I save said results in a SQL Server table they are incorrect. I know their are problems with decimal values in the binary world but isn't there a work around for this?For example 421.2 - 418.9 = 2.3, but the result stored in the SQL Server table is 2.29!In the VB code I used Math.Round to round to two digits and the values appear correct during debugging but, as I've said, in the end they are off by .01. [code] decimal(10,2)BTW, I've tried numerous methods of getting the correct value but have not met with any success. I've used Math.Round on Val1 and Val2 separately, after the subtraction, and on the ResultVal. I've also converted the ResultVal to a string using Format(ResultVal, "#####.00") and then back to a number but still the value that ends up in the SQL Server table is wrong.
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Jul 9, 2009
For some time I hav been struggeling to find out way my functions dosent calculate the correct values. If you take my Struct and paste it in.Add six textboxes with two that you can add decimal numbers to rest is just to show the results And two buttons for calculating..[code]
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Jul 30, 2011
I am using an ajax PageMethod to call an asp.net webmethod. From there I'm trying to pass a lot of XML back to a callback javascript function.
Currently I just convert the XML into a string and pass it in that format. But it seems that if the string is too long it causes an error.
[Code]...
So my question is: Is there a better way to pass the XML from VB to javascript, or a way to allow large strings to be passed without error?
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Mar 5, 2011
I have a query using LINQ-to-SQL. It queries an underlying database table Rooms. It uses Where conditions to narrow down the results, namely:
Gender.Current Occupancy < Max Occupancy Available Flag is Checked I know this should return results but it keeps returning an empty set.Code is below
[code]...
UPDATE: I've verified that the issue is with the statement where sh.is_available = 1, which doesn't make sense since this is a bit field.
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Jul 20, 2011
I'm doing some XLINQ in VB for work. I basically need to pull some values from a small chunk of XML as listed here:
<?xml version="1.0" encoding="utf-8"?>
<Fields>
<typeQtyRadioButtonList>1</typeQtyRadioButtonList>
<cmbQtyCheck>Reject</cmbQtyCheck>
[code]....
... Leaving out the implementation of the For Each loop....So I have stuck a break point on the for each and the collection has no elements in it.
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Mar 3, 2010
So, I'm not really sure if I have this setup properly or not. This is my first attempt at utilizing LINQ and I am trying to return data directly from an XML file.Here is my XML structure:
<folder_list>
<folder lbl="_localhost" abs="C:\_localhostapache2triadhtdocs" unc="C:\_localhostapache2triadhtdocs" tag="default" />
<folder lbl="Programming" abs="D:\_prog" unc="D:\_prog" tag="default" />
<folder lbl="Anime" abs="D:Anime" unc="D:Anime" tag="default" />
[Code]...
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Mar 5, 2011
I am pulling a date value from my database:
Dim qfresho = From p In dbConfig.Configs _
Where p.Description = "FROD" _
Select p.dateValue
Dim qfreshc = From p In dbConfig.Configs _
Where p.Description = "FRCD" _
Select p.dateValue
Then comparing these date values to the current date:
[Code] .....
But for some reason its always returning the Else condition - even though the values in the database should make the query true. I'm guessing for some reason its not pulling the results as a date?
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Apr 5, 2011
I have a GridView which is showing results and from which I am deleting a result using the auto-created delete link. My code behind to remove the row and associated info. is:
Private Sub GridView1_RowDeleting(sender As Object, e As System.Web.UI.WebControls.GridViewDeleteEventArgs) Handles GridView1.RowDeleting
' The deletion of the individual row is automatically handled by the GridView.
Dim dbDelete As New pbu_housingEntities
' Remove individual from the bed.
[Code] .....
It seems that it is not able to grab the row that is being deleted, so it is always giving me a "Object reference not set to an instance of an object" error.
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May 7, 2012
like an Interop user control (VB.NET) to return and to accept multiple values from a get/set call. I assumed a user defined type (UDT), would be the correct way but I keep getting a "Variable uses an Automation type not supported in Visual Basic from the VB6 compile. How is passing multiple values between an interop control and the VB6 application done?VB.NET (Interop) code, a control with a .NET ListView
Structure Employee
Dim Firstname As String
Dim Lastname As String
[code].....
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Mar 11, 2010
Im currently working on an n-layer application that does alot of database work.90% of all database queries are updates, and inserts and I want to be able to view the results of my query in the presentation layer.I was thinking of creating a QueryResult class that has a few properties like QuerySuccessful (boolean), Message (string) - holds success or error message, and optional field to hold any additional data that may need to be passed back to the presentation layer.So I guess my question is, am I going about this the correct way by creating a QueryResult class, and passing that back up through the layers to my PL?
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Mar 30, 2009
I have a problem which I have tried to solve in several ways, and by searching the Internet for various terms, searching through books and Visual Basic instructional videos, but none have yielded the correct results. My goal is as follows:
1. Create a Database listing job names, job numbers, and a link to the file about the job.
2. Create a form with 2 text boxes, a search button, a box to display results, and a preview panel.
The two above steps have been completed. The following is where I get stuck
3. I want to search for either the job name, and/or the job number, have VB search through the database and return the results in the results box.
4. On clicking on one of the results in the result box, the preview panel will show a preview of the file.
Notes:
i) The files being linked top are Microsoft Excel files.
ii) The box I have used for the results currently is a listbox, though I've no idea if this is the correct choice for what I want to do.
iii) The database I created is an *.xml database created in Visual Basic. I am a fair beginner to VB, learning as I go, but I'm stumped as to how to achieve this so any pointers on how to achieve points 3 or 4
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Nov 25, 2011
I have been taking a class in Visual Basic and am currently working on my final project which I am having some trouble with. I am using Visual Basic 2010 express The project is to create an application that will store data in a text file, specifically, Last Name, First Name, Customer Number, Address, City, State, ZIP Code, Telephone Number, Account Balance, and Date of Last Payment. I have gotten everything done except the ability to search the file by Last Name or Customer Number. I have no idea how to go about this? I was thinking of ways to use indexof or Readline to be able to search the data, but I'm not familiar enough with the code to come up with a good solution. Below is a picture of how my form looks..As you can see, I'm currently using 2 separate forms to get the data from the user. Here is the code for Form1 which is the "Customer Accounts" form in the picture.
Imports System.IO
Public Class Form1
Public customerFile As StreamWriter ' Object variable
Public customerFile1 As StreamReader ' Object variable
Public strFile As String
[Code]...
There isn't enough room to post the code for my secondary form, but you get the idea. I would like to be able to enter a search term in the textbox on the bottom right of the form, and either search the data as its displayed in the listbox, or search the actual file? I was thinking that the results would be displayed in a messagebox?
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Jun 9, 2009
I have this function correctly linked in an external .js file...
function SubmitAge(age, UpdatePanelID, HiddenAgeID) {
$get(HiddenAgeID).value = age;
__doPostBack(UpdatePanelID);
}
and am calling it like this from an onClick of an a href="#" ... html tag (tags removed, please scroll right as stackoverflow has the greatest difficulty in displaying simple content, 7th display related edit, thanks stackoverflow)
a href="#" onclick="SubmitAge(24, 'ctl00_MainContent_arFrom_upAgeRange', 'MainContent_arFrom_HiddenAge')" runat="server" 24 /a
yet, i am getting this error, and its being called on the first line of the SubmitAge function (line with $get(HiddenAgeID)... etc...)
Error:Microsoft JScript runtime error: 'null' is null or not an object
i've copied and pasted my WATCH windows in visual studio .net (vs2010 beta 2 using vb.net & c#) while the execution breaks inside teh SubmitAge .js function...
age 53 Number
UpdatePanelID "ctl00_MainContent_arTo_upAgeRange" String
HiddenAgeID Undefined identifier Error
Why on earth is HiddenAgeId, clearly passed just like UpdatePanelID, is returning an "Undefined identifier Error"???
edit: Update: turns out it works perfectly (as it should) when i load it up in FireFox, but has the resulting error in Internet Explorer, this is not a browser compatibility issue, it should also work in IE, but it doesn't!
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Apr 4, 2012
I've read a few articles talking about checkboxes always returning a false state,[code]I though it was due to the second input that it was always returning a false state.
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Sep 8, 2011
I have the following code,
txtCaseworkCost.Text = _CaseworkCost.ToString("C")
For some reason, the output in the text boxes looks like this,
[code].....
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Dec 9, 2011
I am using Virtual Basic with ASP.NET in Visual Studio 2008. I am using Webmethod to communicate from/to the server with the client. Data can be queried and returned in small amount, but when I try get a relatively large amount of data, it's returning me a Server 500 error. My data is 226561 character long, so it's not that large, but it's relatively larger than my other working testing set, which are about 10k character long.
JavaScript:
PageMethods.my_func("context", success);
function success(result, userContext, methodName) {
[code]....
Is there anything I can change to increase WebMethod returned string length limit? Is there even a length limit or is it some other problem I could not see?
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Oct 11, 2010
I am generating an Excel file upon a click of a button in an update panel. It is throwing a parsing error.If I keep the button outside the update panel it is working fine. Why isn't it working in the update Panel?
Response.ContentType = "application/vnd.ms-excel"
Response.AddHeader("Content-Disposition",
String.Format("attachment;filename={0}", filename))[code].....
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Jul 19, 2011
I have an asp.net page that contains a javascript function. I am using a vb.net code behind to run a stored procedure against the database to pull back address information. Results can be 1 or more rows. I need to pass the results to the javascript for processing. My code is as follows:
VB.NET
Partial Class _Default
Inherits System.Web.UI.Page
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
[Code].....
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Feb 23, 2011
I have a Search web reference (from a Search Server 2010 express install) in a vb.net application that is utilizing the QueryService Class to search a production Sharepoint foundation 2010 site.At a previous point in time, we had created a proof of concept on an entirely test system that has since been turfed. From my recollection on this test system when documents were uploaded as a specific site content type (that inherits from document) and metadata was provided, we could search for specific metadata by making managed properties for each, and search results would be returned as documents (with the isdocument flag set to true). Viewing the document then became simple, as we could simply use the filename and path to display the stored file.Now we are developing a production system and we have encountered a new behavior, where these results now are returned as aspx results such as
[URL]
This of course makes it terribly difficult to locate and view the document, we can extract the Title which will then give us the name of the file with no extension, but that hardly helps, as the FileExtension data is aspx, not the documents file extension, so we don't have a full filename. We could display the page returned as a result, but would much prefer the document itself.
I've made a test document library, with just bare bones setup, (not using the site content type, or site columns) and uploaded some documents on the same site, and they are returned in the same fashion, so I don't believe the document library, or content type are the issue.
With a fairly limited understanding of both Sharepoint and Search Server, I don't know if this is a setup issue with the search service itself, with the site configuration, or with the querypacket I am sending. We also have a third party application (Knowledgelake) installed on the server that ties into sharepoint which could have changed configuration somewhere as well?
I don't think the query packet has changed since it was working in the proof of concept, other than the custom data column names. I will provide it here in case there is something glaringly obvious to an external reader.
<QueryPacket xmlns='urn:Microsoft.Search.Query.Document'>"
<Query>
<SupportedFormats>
<Format>urn:Microsoft.Search.Response</Format>
[code]....
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Jun 20, 2011
On a image file (PDF), the OCR has recognised the picture and text. However on Visual Basics, how do you search for a text on this image file? The primary goal is to allow a text search (i.e POxxxxx) on all the image files (PDFs). The returns of the search will be the assciated image files where the text (i.e POxxxxx) is found on.
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Aug 13, 2010
i just want to make a program with first form to enter the serial if correct just continue to form2 if incorrect just a popup say like "Serial Incorrect" how i can make it ?
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Mar 15, 2012
I have an ASP.NET web application (VB.NET) using an Oracle database. On an insert, I need to get the identity of the inserted row back. I am trying to use RETURNING, but I keep getting a value of 1 returned.
Dim strInsert As String = "INSERT INTO L.TRANSACTIONS (LOCATION_KEY, TRANS_CREATOR, TRANS_EMAIL, TRANS_PHONE) VALUES (:location_key, :trans_creator, :trans_email, :trans_phone) RETURNING TRANS_ID INTO :ukey"
[Code].....
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Dec 12, 2011
My brain may just be fried since it's the end of the semester, but my teacher kicked this back to fix and resubmit...she said that I am "returning the name of your function rather than your variable name".
Here is my code for all 3 forms.
code:
These are forms to calculate the cost of getting a cell phone package.
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Sep 28, 2010
I have a form that allows users to select file and then it reads the contents, parses the data and then executes a sql insert statement to add it to a database. What I am having issues with is showing real-time results. Currently, I have the import operation take place on the import form within the OnLoad event. The problem with this is it only shows the final results instead of the results real-time. Is there anyway to do this without creating a seperate thread and delegates?
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Oct 8, 2010
I have written a web usercontrol (ascx). Inside, there is a Panel that I want to show/hide on click of a hyperlink inside the usercontrol. Normally, this is easy just by doing something like this (the onclick attribute is added to the hyperlink on prerender):
[Code]...
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