Record Steps While Debugging?
Mar 27, 2012
I am currently debugging throught a lengthy piece of code that behaves differently if the batch loaded is created from one way or another. I have tried going through it and it seems each step is the same, so my question is, Is there a tool that will record each line of code that is hit while debugging? so instead of writing everything down and risk missing something i could just run the program use beyond compare to compare the results of both runs.
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May 1, 2009
I'm having to write a reporting application that gets information from some Interbase servers and it also has to work on Vista as well as XP, I'm using to connect Borlands Data Provider.[code]My Issue is that debugging on my xp Machine the dataset gets filled, debugging on my vista box it fails ("Interbase provider initialization failed"), my initial thought was that this could be UAC related but I've compiled the application and 'ran as admin' and still same issue. (by the way it failes on the line Dim da as BdpDataAdapter...)
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Mar 6, 2011
I should start a project where several clients are included. There is a wcf web service controler that after a call from an specific client about a certain question it will retrive data from a server in London and then it will pass it back to the corresponding client in a different country e.g.
Clients and service are far away. the only way of transportation is through HTTP and intenet connection. Service should be able to callback also so i guess it will be dualHttpBinding.
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Feb 17, 2009
I have created a table with the following fields
loan_id (PK)
loan_date
loan_return_date
loan_user (FK)
i have set the loan_id column to increment in steps of 1, but when i add a column in visual studio 2008 express it auto increments in minus steps -1 -2 -3. it increments in positive numbers?
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Jul 15, 2009
I have just downloaded VB Express 2008 with the intention of teaching myself how to use it from scratch. Previous programming experience limited to Lotus / Quattro Pro old style macros. Preference would be to work through a good hard copy DIY manual starting from the basics.
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Feb 13, 2010
What is the code for making steps in dgv? For example I have a button, every time that I press the button I want to make a step in dgv row
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Mar 25, 2011
I am ready to deploy my vb.net project to my client computer.In my development computer I have crystal report 9, sql server express and .net frame work 3.5 installed.My Client computer hasn't got anything installed there.I am trying to making msi installer so that it will be easy for my client to install.I created the new solutions -> setup type project, added the project on it and build it.it successfully created the msi installer but it doesn't installs the sql server express and crystal report.How do i make the installer with crystal report and sql server and also with db
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Dec 5, 2011
i am creating a ticket ordering system, there is 5 - 10 step for public user to choose what they want. These steps is dynamic, can some one advice me what is the best way to store data during steps, so that i can have a back button to return to previous step or retrieve data from step when compiler at last?
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Mar 19, 2011
I would like to know what are the basic steps involved in setting up your application to able to read data from another application. Then take that data and modify it and send it back to the application. The data being read will have over 100 fields.... what is the most efficent way to store them? Put them in a class object?
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May 22, 2011
I am relatively new to the world of programming and I was wondering if anybody could help me with a small project. I am trying to create two programs in VB.Net that each do one of the following individual actions:Find the average grade given several user-inputted scores on assignments. The program should also provide the following feedback according to the final score (i.e. A, B, C, D, F).Run two separate threads printing numbers (or words) in ascending and descending orders. (The numbers (or words) should be given by the user.)I have a basic understanding of VB.Net, but I am having trouble when it comes to creating even remotely complex programs. I have a few ideas on how I may go about these, such as using an arraylist for the first question that takes user input to find the grades, and then uses a series of If-Then-Else statements to display the letter grade, and possibly using steps simply with dual threading that would result in numerical order being printed in ascending order and descending order.
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Feb 2, 2011
I have code that runs a deal.deal is a series of conditional steps [e.g., pay Fee1 from Account2 if (Variable5 > 500, Variable5 / 2, 0)].
These conditional steps are stored as strings in an access database.The conditional part can be extremely complex.
What is the best way to get my code to understand the conditional part?Do have to write some huge parser?
Is there a function that can do this for me(something similar to application.evaluation function in VBA)?Or do I need to approach this in an entirely different way?
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Apr 21, 2009
list the steps to fill a combobox using a bindingsource. I dragged a bindingsource onto a form, created a datatable and datatableadapter(correct term?), added a query. I tried but I am missing something, my combobox displays System.Data.
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Sep 8, 2009
I'm interested in a description of the step-by-step process for creating a custom control and making it available in the toolbox with vb2008. Just for an example, suppose one wanted to have an array of 9 buttons in a 3x3 pattern already labeled 1-9 as a control usable from the toolbox just as a single button or label etc. is, so that one could drag it from the toolbox to the form or a groupbox.
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Apr 4, 2011
I want to write a human resource programme that can accept employee records and compute for their salaries and overtime and also print out the needed salary slips and reports.
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Apr 18, 2009
I hav a web service which pull records from a database and I am hosting these services in IIS which works fine but I am trying to retrieve the record and display the record in a listbox displaying the time field as the text for that record.I have created the following function
public sub get_data()
dim dt as new data.dataTable
dim service as ws webservice.webservice
[code]...
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Aug 4, 2009
With a 1-many relation. Ok, I have constructed the schema, and now I want to make the appropriate forms in which a user would scroll for a customer and then by pressing a button, a new form would appear showing all the orders that he has made.
I am interested in the way of building two forms that would have a one to many relation. That is basically what I would like to know. Also, Do you have any good book to suggest in order to create a real world app, in VB2008, Emphasizing in data-binding and connecting controls with underlying DB, one to many forms, searching etc.
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Mar 11, 2010
This is weird. I have a class that inherits from IEnumrable whose Count property is reporting 0 (zero) elements but the For Each loop steps into the loop body and tries to use the variable where it should just be moving on. My code:
On Error Resume Next
Dim d As Foo
For Each d In fooCollection
' use d and throws an exception
Next d
Weirder still, every time d is accessed i get an exception thrown in the output window:
A first chance exception of type 'System.NullReferenceException'
but i'm not stopping on the exception (not in a try/catch block).Is "On Error Resume Next" causing this weirdness?
Weirdness found:Per Rowland's and JohnH's comments i checked the Foo class:The GetEnumerator method inside of Foo didn't actually return anything! It had an empty body. That coupled with the On Error Resume Next before the loop caused the havoc! Wow this was ugly.
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Sep 8, 2009
how to create table in visual studio 2008
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Apr 15, 2012
What will be the steps for finding the DFD of A Project based on Banquet Hall?
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Aug 9, 2010
I am trying to check a record in database before inerting a new record here is my code but problem is when i enter a names first alphabet it imediatly populate massage. i want to check it after entering whole name
Private Sub TextBox1_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles TextBox1.KeyPress
Try
Dim cnString As String = "Provider=Microsoft.Jet.OLEDB.4.0; Data Source=" &
[CODE]...
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May 17, 2010
How do I force users to save the current record (if current record has changed) and not let user go to the next record unless the save button is pressed?
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Dec 7, 2010
How can I write a connection string? I has four different computer that can be connect via ethernet.How can I maintain a inserting data if to computer insert on same table at a single time..??
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Feb 21, 2010
While I've previously many years of relational databases and procedural languages, I'm stumbling with Visual Basic. In this problem, the simple situation is that I have two files, parent and child. The primary key of the parent file (Area file) is linked by a relation to one of the two fields that makes up the primary key in the child file (Project file) (unique key is formed from 'area' and 'project'). I have the default table adapters created on both files. I have created two maintenance forms showing one each of the two files in datagrid view format.I can create some records in the Parent (Area) file, but when I try to create a record in the child (Project) file, using one of the valid key values from the Area file, I get the 'ForeignKeyConstraint [relation name] requires the child key values [actual value] to exist in the parent table' which I'm absolutely definitely sure it does.
I haven't done any actual coding for those two maintenance forms, just dragged-and-dropped the files from the data sources screen onto separate forms so it creates the controls itself. But I can't work out, if it already knows the data does exist because I can load it back in to the Area maintence form, why it can't check itself to find out the record does exist. Why does it think the record from the parent record doesn't exist? It does exactly the same thing, whether or not the database is in access or SQL Server Express. I have all the latest updates.
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Jul 31, 2011
I have two tables Products and Categories with a many to many relationship. I am trying to copy the categories linked to one product (OriginalProduct) to another product (newProduct). The problem is when I execute the SaveChanges() method, I not only get the records in my linking table, but it also creates another copy of the categories in the categories table. I've tried this in many ways but here are the last couple that I've attempted:
' Copy Product/Categories
For Each oneProdCategory In OriginalProduct.Categories
Dim relatedCategory = _productContext.GetObjectByKey(New EntityKey ("ProductInfoEntities.Categories", "RecordId", oneProdCategory.RecordId))
[code]....
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Nov 15, 2009
I have a problem with my program, and it's really bad because I need to burn it to disk within 12 hours and I can't get it to work: If I create a record, add information to it and click on Next Record, the ID, Status and Notes boxes content will change but the rest of the controls contents are carried over to the next record and I don't know why or how. It was working perfectly but now it stopped and I never done anything.
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Oct 27, 2009
I am handling many of the BindingNavigator tasks (MoveFirst, MoveNext, etc.)in code to ensure that I always ask the User to save his changes.
The one area I am have a problem is PositionItem. I would like to sense that the User has changed the Record Number in the BindingNavigatorPositionItem, handle my record Update, and move to the Record Number the User entered I have looked all over and have not found any way to do this.
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Apr 1, 2009
I have created a project that has an add a new record, edit record and a search form, that has multiple text, combo boxes and is working great.Last nite I have added a checkbox under my add new record form and i am saving the checkbox value to my database, so far so good. I would like to be able to search any record that is mark with a checkbox to show up in my search screen when I do a search: [code] The problem that i am having is that now that I have added the code to my project to search for the checkbox field in the search screen and if I leave everything blank and click on the the search button I get no record found. I expected to see all that data, since I have nothing selected. Now if I click my checkbox, as soon as I click on my search button I see that two records that I have added for my test.
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Jan 23, 2011
My database : table1
ID FIRSTNAME AGE
1 Sumit 22
2 Sanjeev 23
i have gridview 1 and textbox1 and button1 i want when pages load the gridview displays the all records from table1 and also ...i i wanna search record for firstname by typing sumit in textbox1 and click on button1 then in gridview the record of sumit will be shown ..by default gridview display alll records from table1 How to do this My Selct Query is below : but it doesnot display all record ...but it can display record if you search for a particular record .
[Code]...
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May 23, 2010
I have records in a database. Each record has a Picture path in it eg. "C:\Pics\Image1.jpg". I would like to display a record from my database and also the picture for that record, in a .rdlc report in vb .net 2008. i have succeded in displaying the record but just can't get the picture to show. I am using an Imagebox in the report.
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Dec 3, 2011
I use This Code To Save Data in Table First I delete record Then Insert record
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