I have to create a program that reads the values from a search tree for breadth firstsearch. This is the code I have but I'm not sure
lbOutput.Items.Clear()
Dim s As String = txtStartnode.Text.ToUpper
Dim graphtext As String = ""
[code]......
Lets say a search engine is doing a search by date range. If we want to further expand the search by decreasing the date range by looping with date range one month close to end date how would you change the parameters?
For example if these are the date parameters:
start date = 05 / 07/ 2009
end date = 05 / 07/ 2010
050709 - 050710
Thats my set range; so now I want to change the range by month like this
050809 - 050710
050909 - 050710
051009 - 050710
051109 - 050710
051209 - 050710
050110 - 050710
etc
How can I use a loop to set this up? the year has to change accordingly when month hits 12.
I'm trying to tidy up my app and notice buttons of different sizes! Is there an optimum depth for buttons?
View 5 RepliesDoes anyone have or has anyone come across an in depth guide to the .net app.config? I'm having significant issues trying to find a definitive guide to this area of .net.I can already handle custom configuration sections, from basic key/value pair settings right through to complete custom configuration handlers which I struggled to find information on, but I cannot find any documentation regarding basic native .NET functionality of the configuration file...for instance, with regards to BCL configuration. I've gone through the machine.config.comments and the config.xsd files and it has provided a little insight but not enough to fully grasp the full potential of the config file. I've also trawled through everything I can find on Safari and only managed to come up with a couple of useful tidbits that I wasn't previously aware of but it seems this area of .NET is extremely poorly documented and unless you have a very specific purpose in mind, it's useless trying to find information on it.
View 1 RepliesHow can i change the depth of color of an image using vb.net?My Program's Options Are: Convert To: 1 Bit, 4 Bits, 8 Bits ,16 Bits?
View 1 RepliesHow would you create depth code for two classes in visual basic 2008 (like if you wanted to put one picturebox behind another picturebox depending on what each picturebox's depth equals)?[code]I can't get my movement code and the image for the character object to work.
View 3 Replieshow to change the users color depth, When the user clicks the button.
View 2 RepliesI am stuck on a problem with combining lines with solid geometry. Look at the pictures. The first is a look at the object from above and the second is the same object seen from below. The gridlines in the second picture should be in front of the object. The lines are drawn using linelist (one line, vertexformat=positioncolored, it is then translated and rotated in a loop) and the cube is drawn using trianglestrip (vertexformat=positionnormalcolored). It seems like lines are not depth tested. How do I manage to properly draw both grid and cube?
View 1 RepliesWhat im trying to do is to minimize the file size of an image to as low as possible.Its 640x480 and i need to be 30kb or even 20 kb in file size...
View 3 RepliesI created a listbox that displays files from a certain directory, and want to know how to actually get information on that file, rather than just the name its self that is displayed in the listbox.
This is what I have:
Dim files() As String = IO.Directory.GetFiles("C:Users" & (System.Environment.UserName) & "Desktop", "*.txt", IO.SearchOption.AllDirectories)
Label9.Text = ListBox1.SelectedItem
[Code]....
In a form I have an ImageList named MainLogoImageList containing a 100x100 pixel 32-bit colordepth image. That is my app logo.
I am too lazy to set up an icon editor and edit an icon of that logo, or convert the image to an .ICO file. (Ergh, well, I am not allowed to install custom utilities.)
To set my forms' icon, I use
Icon = IconFromImage(MainLogoImageList.Images(0))
in the OnLoad event handler to set the window icon.
In my about box, i have a PictureBox with no image. In its OnLoad event, I use
LogoPictureBox.Image = MyMainForm.MainLogoImageList.Images(0)
Icon = IconFromImage(MyMainForm.MainLogoImageList.Images(0))
to set the About box's icon and content.
So far, so good, the icon looks pretty good for a being created from a 100x100 pixel bitmap.
Is there an easy "no utility required" :-) way to get the icon that is returned my IconFromImage saved into an .ICO file so that it will keep the color depth when loaded as the app icon? I want to use exactly the icon that IconFromImage creates.
Saving it using
Dim S As New FileStream("MyAppIcon.ico", FileMode.Append, FileAccess.Write, FileShare.Write)
Icon.Save(S)
S.Close()
in the main form's OnLoad event handler and loading that .ICO file as the app icon in VS's project properties dialog yields and icon that is obviously converted to 16 colors, and looks awful.
how to extract all the content from Twitter more data only start to load after scrolling down to a certain depth.
View 1 RepliesI probably confused memory usage issues with the UI sharing same thread as the processing (as pointed out by MusiGenesis below). However regarding the Memory usage. I am still not able to find VB.net specific syntax, although people have pointed out some great .Net and C# information below (and if I were more versed in those technologies, one could adapt to make work with VB.net).The general concepts are working fine, however I am having issues where the Mem Usage on Task Manager keeps growing as the program is used to load more and more files.On Startup, before doing anything, the VB application has 27,000 K.Once the file is parsed and even after I dispose of the File handle as well as the the data increases a lot. I strip out everything in the code and it still seems that memory in Mem Usage remains captured. There is no rhyme or reason as to why the Mem Usage is growing (i.e. sometimes it can grow by 20 mb when reading a 7mb file, however other times it does not increase at all, when reading a 3mb file). Sometimes, it appers to release some memory when the parsing is complete and other times it just holds.I have looked at .Net Memory Profiler and have not really been able to make heads or tails from that.I have read a lot on internet regarding Memory Management on .Net in General about Dispose and "Nothing" and DataSets, etc, however have not really found anything regarding VB.Net specifically.My General Question is: Are there any good tutorials/books/blogs/etc that show a more in depth tutorial on managing memory in a VB.Net application (i.e. how/when to dispose/close, etc), or does anyone have some specific tips from there experience.
View 5 RepliesC# in Depth (http://csharpindepth.com/) is an excellent book aimed at experienced .NET developers, however it's only for C-Sharpers. Anything like that available for VB.NET folks?
View 2 Repliesi want to ask that how i can open a search page in my vb.net webbrowser with a separate textbox in a tool bar separate from the url text box
View 2 RepliesWith writting a program that demotrates Binary Search Tree operation(insert, delete, and search)in VB.N NET?
View 1 RepliesI have a datagridview with 2 columns, 1 is Batch_Number and another is Existing_Stock, there is about 6000 rows.My question is, I want to be able to write in a TextBox and hit a Search Button to search the Batch_Number column and filter out or highlight the row with the matching number to see the Existing_Stock
View 9 RepliesHow can I search, for example ID Number, and want to highlight the listview item found in search from my first form? I'm using combobox from my second form to search.
View 6 RepliesI'm using SQL as a database in VB 2010, I already add a table to my form as a datagrid view but I don't know how to add buttons for filtering, deleting and adding things in my table, for example I want to have one button on my form call it search button to search in table names or Phone Numbers. how can I do that and where shall I write the code?
View 3 RepliesI'm in a bit of a quandry. I am trying to build a simple search form where the user selects the column title and in puts the criteria then clicks the search button. This is the code I am using
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
details = ComboBox2.Text
'column name selected by user
specifics = TextBox1.Text
'criteria input by user
[Code]...
when you want to use the search engine and when mouse cursor move in textbox search you'll see a small word ("Search") or ("Enter your Search term")
[Code]...
changing the way the site search is done from just search a phrase as one string to searching a phrase "as multiple words" search. For example, if I search "cute puppy" right now, it will search it for "cute puppy" as phrase and won't match just "cute" and "puppy". The way the search is implemented is by passing a search phrase to a Stored Procedure in SQL Server.So now, I need to change to site search so when "cute puppy" is searched, it will search two words.... "cute" and "puppy" instead of just "cute puppy". Below is how the store procedure is implemented
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
[code].....
I'm creating a search function to search through a binary file and find a record based on the users input. Surprisingly, that isn't the problem! The problem I'm having is that as part of this I'm using a procedure to display results in text boxes, and I'm getting the error "Too many arguments to private sub display customer"I've encountered this error before, but never really knew what it was... Here is my code.
Private Sub btnSearch_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnSearch.Click
FilenameCust = "F:\College\CustomersFile.bin"
[code].....
I have a MS access database connected to a VB2008 developed software.
I want to make a search button to search through all the tables in the database.
how can I do this?
I want to link a field in table one to a field in table 2 in the database so that they are the same ( whenever I change what is in table 1 table 2 changes to the same automaticaly )
I have three controls on my form; Textbox1, cboCity, lstCity When something (lets say "a") is entered in the TextBox1; I want to get each and every item in combobox cboCity that starts with "a" and add them to listbox lstCity.
View 5 Repliesone of the BIG hurdles in my simple project, making a search engine. I don't know how at all. The search engine need only to search in one Directory with its sub directories and txt files for criteria, and display the results, with option open from the results. any basic code or example maybe?
View 5 RepliesI have a search function in my app which is a groupbox with a textbox that contains the search keyword and a couple of radiobuttons. Do I have to create a keydown event for every single radiobutton and textbox? Or is there a better way? I tried making a keydown event for the groupbox but that didn't work.
If your interested, this is my
Private Sub Search()
Dim textBoxContents As String = txtBoxKeyword.Text
Dim keyword As String = Nothing
[code]....
Im making a search function for an application and they need to be able to search by any value in the DB in any of the three tables. Im wondering the best wayto about this. 2 of the 3 tables have the same columns while the last one is totally different. Below is what I kinda "thought" itd look like but no.
"SELECT * FROM cases, opencases, staff WHERE Crime ='" & txtsearch.Text.ToString & "'"
I need to query the results the user can search for anyterm and if it matches something in the columns it return it to the user. Im wondering if the best way to go about this is to maybe query all the tables and then put all the matching records in a seperate table and the dgv look at that table or how to exactly go about it.
I am developing a application in which i need to get images from a search engine. there are many choices to do that google,yahoo, bing etc. I chose bing simply because microsoft provides tight integration with bing and it offers more functionality to developers. So after searching some more i learned how to use this service in my application. Created a key and added web service reference in my solution.[code]But i cant figure out how to do that, after a lot of searching i came up with this link here url...I am unable to use it. If i use it no results are returned.
View 4 Repliesi have 1button,1textbox,1datagridview.i want to make a search button with it to search for student id..i use ms access..example i type 12-200705-0005 on the textbox,then i click search button,then the data with student id will show at datagridview..
View 1 Replies