Answer Questions

• Mark Colburn Several questions

  Hi, I'm new to VB, but have played with some programming just a little. I'm working on a Windows application that retrieves XML weather for any location you specify. I'd like to know how to deal with XML to use the data I want. If either is possible, I have no preference whether I analyze each line as it's downloaded or I dump it all to a file and deal with it there. I'm totally new to this, so I don't know how it works to specify what X ...Show All

• he.lin Video series: Visual Web Developer for Beginners query

  Hi there does the Video Series: Visual Web Developer for Beginners, show you how to work with classes and methods Also can I run the Visual Web Developer side by side with visuall studio 2003 Thank fc. Hi, FYI: If you think that your post is answered then click on "Mark as Answer" to mark it as answered. Thank you, Bhanu. Would the visual basic series be for VB.net 2003 thanks in adv shakalama wrote: hi, ...Show All

• Jetcity73 C++/JNI and unresolved external symbol(s)

  Hello. Any help would be greatly appreciated. I keep running into linker errors like the following: MyMathFuncsJNI.obj : error LNK2019: unresolved external symbol "protected: static double __stdcall MathFuncs::MyMathFuncs::Add(double,double)" ( Add@MyMathFuncs@MathFuncs@@KGNNN@Z) referenced in function "public: static double __stdcall MathFuncs::MyMathFuncs::add(double,double)" ( add@MyMathFuncs@MathFuncs@@SGNNN@Z ) ...Show All

• Shawn Tweter How To Loop On Rows From A Database Table

  I want to loop on the rows from a database table, but I can't work out how to do it. So far, the code I have is: Dim sConnectionString As String _ = "User ID=myname;Password=myPassword;Initial Catalog=mydatabase;Data Source=123.22.44.35,1433" Dim objConn As New SqlConnection(sConnectionString) objConn.Open() Dim sSQL As String = "SELECT * FROM manufacturer_list" Dim objCmd As New ...Show All

• Derek0415 DataGrid - passing values to form2

  I have a form1 with a datagrid bound to a dataset. I want to keep the datagrid as 'read only'. When I double click on a row I want to pass the current record information to a second form for data editing. How do I do this I have been trying to grab the 'Primary Key' of the record clicked to use as a search parameter in the second form but don't know how to get the current row information out of the grid. Thanks, Sal ...Show All

• Spoof splash screen

  hi there i have a fairly small project im trying to make a splash screen that comes up for a short time and then disapears revealing the main form i have my splash screen working with a small piece of code in the aplication events and i just used the add new form splash screen for the rest my problem comes as the splash screen does not always display in front of form one and when it does you can just select the main form from behind and carry on ...Show All

• Maaloul Debug/Release Exception handling differences

  As a last resort exception handling mechanism, my entire application is contained in a try/catch block like so... [STAThread] static void Main() {     try     {         using (ExampleForm form = new ExampleForm())         {             Application.Run(form);         }   &nb ...Show All

• Ashish Kumar Unable to save changed data back to database

  I am working throuh the Beginning Visual Basic 2005 Express Edition Video Series. Up until Lesson 9 I was doing OK. It all made sense I have followed through Lesson 9 and created the form to save changed data back to the database. When I click on the button the rowsAffected variable correctly returns 1. If I close down the application and restart the changed record still shows the original data. I tried Form1 which had the automatically generate ...Show All

• merwinp SQL Table DataBase Updates are being lost.

  Visual Basic 2005 Express Edition: I am debugging a new application. When I update my SQL table database, the updates do appear if I exit and re-enter the DataGridView form, or, end my debugging session and start a new debugging session, but, when I completely exit Visual Basic and re-enter Visual Basic, the updates that I entered are not there. The only data in my table is what I initially entered when I created the DataBase following the ...Show All

• Rob4077 relate an extension to my application?

  Hi. How can I set windows to open a type of files with my application. like a file.doc will be opened directly by Word. I want that my file.ext will be opened by MyApplication.exe can anybody give me the code to do that... Thanks I think you have a valid point. Performing the file/app association during installation would be recommended. My only concern would be if the assocation was changed after the app was installed. In this insta ...Show All

• Mario V Quest about compiling string content

  Hi all, I want to make program that draws mathematical functions, and I will give the user a space (TextBox) to write f(x), then drawing it. Now, is there a method in string able to compile the contents of this string e.g: Instead of typing y = 2.5*x^2 + 13*x - 6, can I write something like y = someFunction("2.5*x^2 + 13*x - 6") Thanks http://www.vb-tips.com/default.aspx ID=34241f3e-16 ...Show All

• sub4 Help with creating a VB project to edit hexadecimal

  Hello, after moving up from Visual Basic 6.0, I'm trying to figure out on how to create a program to edit a file's hexdecimal code by doing the following: Opening the file to store certain offsets in memory, then: Display that offset's hexdecimal string in a text box (converting it to ASCII/decimal if possible), then: The user is able to change that value/string, then save the changes back into the file. I would appreciate it if anyone could ex ...Show All

• amaly0827 Problem with Calculating a Total

  My datatable has Units - Decimal(18,1) Price - Decimal(18,2) Total - Decimal(18,2) My Code Dim Rate As Decimal Dim Unit As Decimal Dim Total As Decimal Rate = 78.81 Unit = 5 * QTY / 18000 Total = Rate * Unit When you do the math above for Unit you will get 2.77777777777 then Total would = 218.916666666, what I really want is for Unit to = 2.8 * Rate = 220.67. Units = 2.7 & Total = 218.91 is what is being sto ...Show All

• Navind Just installed VWS and allready problems...as expected!

  I downloaded web matrix two days ago and i just found out that VWS was taking over...so i dloaded VWS. Problems right at the start. I go to create a website from the template they supply and in the directions it states that you have to run the site one time...i did and a name and pass box came up, as expected. Then the directions state that you must go into the asp.net config and create a user. I attempt to create a user but it wi ...Show All

• li ning Selecting a combo box item

  I am wondering if anyone has any hints about the most efficient way to select a combobox item. I have tried code I found on the net but it doesn't seem to work -- perhaps because it was an older version of VB. My combobox is linked to an MS Access datasource. What I want to do is to programmatically select one of the items that is already listed in the select box choices based on its ValueMember. In other words, I want to the item who's valu ...Show All