VS 2010 - Evaluation With Star Ratings
Feb 13, 2011
I have a system created last year called the "Faculty Performance Evaluation System" in which the students will evaluate their instructors according to their performance. Now I'm trying to change that and the questions are to be loaded from the database. Here are my options for displaying the questions and the rating stars:
1. Using lots of labels placed in the form as well as images(stars)But this will consume lots and lots of codes and the number of questions is limited. Also, I can't do a control array in vb.net unlike in vb6 so it will be very long...
2. Using listview/datagrid?- is it possible to create this project with a listview containing the stars in the 2nd-6th column?, If so, how?
(It's ok to lose my background but the stars can't. Since using this kind of control will make my number of questions unlimited)- then, if I'm to choose this option, how would I save the results into my database? (fields: studnum, category, quesnum, rating)
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Sep 19, 2009
I am creating a form that calculates QB Ratings but its not coming out right. The formula is found here
My code:
Dim a, b, c, d As Integer
a = (Comp.Text / Att.Text * 100 - 30) / 20
b = (Yards.Text / Att.Text - 3) * 0.25
c = Tds.Text / Att.Text * 20
d = 2.375 - (Int.Text / Att.Text * 25)
Rating.Text = "QB Rating:" & ((a + b + c + d) / 6) * 100
Number set 1:
22 complete
36 Attempt
2 touchdowns
0 Interceptions
229 yards
It should come out 98.0 but comes out 100
Number set 2:
16 complete
37 Attempt
0 touchdowns
3 Interceptions
205 yards
It should come out 27.4 but comes out 33.3
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Sep 22, 2010
how to write a console application by using nested For.. Next loops to generate the star design as per below picture.star design.JPG
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Jan 10, 2011
i want this type of rating star in gridview asp.net (vb)
can anybody provide me the vb.net tutorial or code to develop this ?
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Nov 19, 2009
cannot print linecommands to star printer
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Jul 28, 2010
I'm using VB.NET but any other known language should be fine as long as it uses basic features. My task is to create astrological compatibility chart, when two users have certain astrological sign as inputs and there is a text about those signs compatibility. for those who are unaware of astrological signs but still want to help, there are 12 signs. Each sign has different compatibility with other sign or itself. So basically i get into 12^2-12 conditions. ie. Aries with Cancer "do not match at all" so I can save one record of that issue as backwards it is the same (thus -12 at the end). Question is simple is there any other way to create this except of using 12^2-12 case issues...
[Code]...
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Feb 5, 2010
The following .bat file runs through only once when the argument contains a star (*), but if I write out all of the arguments I get an ECHO and PAUSE for each one.Doesn't the star work for batch files? [code]
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Jul 22, 2010
If you are using VB.Net 2005 or earlier. It was asked if a control can be made star shaped in this thread. [URL]. Then I have updated my Shape extension method to include a optional third parameter. The 3d parameter is indent percentage or indentPercent. The default is zero so there is no indent. If you indent by say 50% you will get a star shape.
The various ways you can call this extension method are;
'Please note: myControl may be any kind of control
'such as a Button, a PictureBox or whatever.>>
Dim myControl As Control = New PictureBox()
'Defaults to 6 sides with no rotation angle.>>
myControl.Shape()
[Code] .....
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May 12, 2011
I'm maintaining a set of code that has a wrapper class for SqlDataAdapter to load a System.Data.DataTable. It has a generic function to determine if the DataTable "hasRecords". I know it's a minor issue, but out of curiosity... Which is the faster method to use?
Existing:
Public ReadOnly Property hasRecords() As Boolean
Get
hasRecords = CBool((CBool(BOF = True) And CBool(EOF = True)) = False)
[code]....
If RecordCount is defined as a fixed value in as a recordset property I would think the count would be faster as a single eval vs the multipart conversion/eval BOF/EOF method it is using.
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Feb 6, 2012
how to clean up the code, perhaps some recommendations on how to have it working optimally. Maybe even some links for areas in particular that I should be more aware of. What functionality have I not employed here that I should have?
Option Strict On
Imports System.Data.SqlClient
Public Class Expenses
Private MotorItems As New List(Of String)
[code].....
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Feb 23, 2009
I'm passing a collection of links to a background worker. The first time I use it in my bgw, it works fine, the second time (after a thread sleep) it says property evaluation failed.
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Oct 6, 2011
This is a bit of an odd one. Last week, this code worked as expected. This week, it does not. Example:
[Code]...
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Jan 5, 2012
We had a Nullable object must have a value error today on this line of code:list = From x In Me Where x.FooDate.HasValue AndAlso x.FooDate.Value.Date >= barDate
Funny thing is that I feel sure this used to work fine (and there has always been a sprinkling of null values in the underlying data). And logically it looks fine to me. The check for HasValue and the AndAlso look as if they're going to shield us from any Null danger.But it seems suddenly they're not. Am I missing something?OK, we can correct it to this, which eliminates the error:
list = From x In Me Where If(x.FooDate.HasValue, x.FooDate.Value.Date >= barDate,False)
But this looks to me less readable. In simplifying the above code to shorten the line I left out a crucial chunk of the code. The original problem should have read something like:
list = From x In Me Where x.FooDate.HasValue AndAlso x.FooDate.Value.Date >= fromDate And x.FooDate.Value.Date <= toDate
Because of the rules of shortcircuiting and operator precedence (as outlined in an answer to a long ago question of my own) I needed to add brackets round the second part of the instruction in order to stop LINQ evaluating the second x.FooDate.Value.Date:
list = From x In Me Where x.FooDate.HasValue AndAlso (x.FooDate.Value.Date >= fromDate and x.FooDate.Value.Date <= toDate) LINQ really does obey AndAlso and force me to look more closely at the original problem.
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Jan 7, 2011
My problem is I'm am trying to connect to a db2 table but no matter which connection type is use (adodb, oledb, db2) I keep getting the same error message when I get to this statement: objConn = New (adodb, oledb, db2).connection. "Property evaluation Failed".
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Nov 2, 2010
imdb scraper for my movie organiser. Ok so how do you scrape movie ratings from imdb from a movie title name.
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Oct 3, 2011
I am using the code below to export records in a datatable to an excel file using EPPlus.
Dim excelPackage = New ExcelPackage
Dim excelWorksheet = excelPackage.Workbook.Worksheets.Add("DemoPage")
excelWorksheet.Cells("A1").LoadFromDataTable(dt, True)[code]....
However, after walking through the code block, at Response.End(), I get an exception {Property evaluation failed.}
Update:
The error log is:
ERROR: System.Threading.ThreadAbortException: Thread was being aborted.
at System.Threading.Thread.AbortInternal()
at System.Threading.Thread.Abort(Object stateInfo)
at System.Web.HttpResponse.End()
at Reporting.Page_Load(Object sender, EventArgs e) in C:Reporting.aspx.vb:line 38
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Jan 25, 2010
Get the current number of usage days, unique usage days, etc in an evaluation license using CryptoLicensing Generator.
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Apr 2, 2009
I have written a small game; my first attempt in VB2008ExprEdition.
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Oct 2, 2010
When trying to import CrystalDecisions.CrystalReports.Engine, and CrystalDecisions.Shared. I'm getting a green line. What might be the problem?
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Jan 8, 2012
I'm new to visual basic, used it for a few months. My friend is addicted to using a program called Wpe Pro [URL].. and he wanted me to make it more advanced and able to do more stuff.if you no anything about this program please message me
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Aug 4, 2011
VB.Net 2010 program .exe on PC with Excel 2007 gives error when cannot find Excel version 14, which is Excel 2010 I have developed a program in VB.Net 2010 which reads from an Excel spreadsheet. It works fine in the IDE on my computer. I built an .msi and executed it on my computer. I get "Error: 53 - Could not load file or assembly 'Microsoft.Office.Interop.Excel, Version=14.0.0.0, Culture=neutral,PublicKeyToken=71e9bce111e9429c' or one of its dependencies. The system cannot find the file specified."
The only version of Excel on my computer is 2007, which is version 12.0.6557.5000. The version the error says it needs, version 14, is actually the version of Excel 2010.I have put in MsgBox statements to find where the error occurs.
[Code]...
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Jan 5, 2011
At present I have wrote an application (in-house CRM, vb .net 2010) which allows me to send emails under the selected customer & I categorised these emails.As these are categorised I can return data to display email history in my program by using search criteria:
Dim oMail As Outlook.MAPIFolder = oNS.GetDefaultFolder(Outlook.OlDefaultFolders.olFolderSentMail)
Dim sSearch As String
sSearch = "[Categories] = '" + "[" + tAccount.Text.Trim + "]" + "(" + tShipTo.Text.Trim + ")'"
Dim oItems As Outlook.Items = oMail.Items.Restrict(sSearch)
However the limitation to the above is it only looks at sent items & no other folder.My ideal solution would be to display all email correspondence for a certain contact.
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Jun 6, 2012
The situation: when i build my project (or publish) Visual Basic 2010 makes and exe and a couple ddl files. when i run the project with the .exe and the other files the program works perfectly.
My problem: I want to share it with friends and it is just a verry little program ( a n internet radio) so i want it to be 1 .exe with out any other instalation needed so i can easly share it to anyone who wants it. when i make an even smaller program and Debud->build it, it is only 1 exe and no instalation needed. so is there a way to make my program to 1 exe only?
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May 26, 2010
Basics Details:
VS 2010
Making an Addin for Excel 2010
Win 7
Problem:I am not getting the cursor (4 arrowheads) for moving the form.I am using the Panel1_MouseHover to display the cursor. Right now if I choose any other cursor then it is working but the same cursor also displays when I hover the mouse over any other control. I want the cursor to show only in the areas of the Panel where there are no controls.How do I show Tooltips for the images? The play,stop,next, previous,playlist,Hideme(with the smiley),volume are all images and not buttons?
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Jun 21, 2010
Well I used the Visual Studio 2010 installer to install my application and I want it to be able to change the version displayed in the in the Add/ Remove Programs (in the Control Panel). How can I do this without going through the install wizard again?
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Aug 19, 2011
If I create a DLL using VB 2010 express can it be used by previous versions of of .Net (3.5, 2.0)? Will the DLL use .Net 4.0 components, which is what I want. I don't see a way to force that to be the case.
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Mar 26, 2012
this is my very first posting and I must say I am desperate. I have a VB assignment due in 2 days and I am so lost. I have written a code to draw some graphic, just a basic house, tree, sun etc. I have also written a code to magnify said graphics which were all the specifications of my Assignment 1 part A. Now for Part B I am being asked to extend my program so that: A - My graphic can be drawn using different colour schemes designed by me but chosen by the user B - My graphic or an appropriate part of it can be animated around the picture box if the user chooses to do so. C - Error checking is included.
[Code]....
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Jul 16, 2011
it's just for a program registration. i would store all of the registration codes in the access database, then export it to XML, then upload it to my web host. I would then somehow connect it to my Visual Basics login form (Which I have already made). If this can't be done, having them register through the form and having all the allowed codes on the internet (So i can easily edit them)!
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Mar 7, 2012
Is it ok to install my VS 2010 Ultimate even if I already have VB 2010 Express Edition? or should I uninstall the express edition first?
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Aug 11, 2011
well until a few day ago. I don't know what I have introduced to cause the problem but now, whenever I load the project, VS 2010 (SP1) crahes. If I delete the project's suo file, the project loads (really quickly) and all is well until I exitVS 2010. When I re-run it and try to load the project, it crashes again unless I delete the suo file.The program can be built for x64 and x86. Now, when I reload the project (after deleting the suo file), it comes up in Debug - Any CPU mode. I can change from Debug to Release and from Any CPU to x86 but if I try and change from x86 to x64, VS 2010 crashes.This is not always the case though. If I build the x86 version and then switch to x64, all is well and I can build the x64 version. Obviously, there's something wonky going on.
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