Use A Webbrowser Control For A User To Enter A Url And Perform A Search?
Aug 16, 2011
I have built a webcrawler where I use a webbrowser control for a user to enter a url and perform a search. Once the page is uploaded, my app grabs the HTMl and then with a button click convert it into plain text by using html agility pack (HAP). Finally by clicking a button I store the result inside a sql server database.
Now I want to use a background search system using the above control to perform the task which I am not able to figure out Basically say If I have a textbox where I enter the URL and it grabs the HTML then using HAP I have convert it into plain text and store it inside a database.Here is my code class for the normal search I carry out:
[Code]...
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Oct 21, 2009
I 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]....
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Feb 17, 2012
i watched a tutorial on youtube, how to make a tabbed web-browser in vb 2010 and he didn't use WebBrowser tool he used TabControl.
[Code]...
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Mar 30, 2011
perform a click on a control inside of a webbrowser? Preferably from ID?
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Jun 22, 2010
I'm currently doing a program to search for text in powerpoint files using interop in vb.net 2005. When a user does a search, it will open the powerpoint (.ppt) file and do the search. This is working fine.What I want to achieve next is if the powerpoint file is already opened, I want the program to search for text in the opened powerpoint file (without opening the file again in ReadOnly mode).How can I do that..? I mean, I need to first search the list of opened program to see if the powerpoint file is opened and then i need to somehow cause my program to gain control of the opened powerpoint file before I can do a search right..? How can I do that..?
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May 28, 2009
I need some guidance on the best way to proceed with searching a file content. I have a large file (see attachment) that is in text form, some of these files could be upto 50 times as big, therefore creating a huge file. These files contain information that is produced from another application and therefore I am unable to change the format of the file.
[Code]...
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Nov 11, 2009
I cannot seem to successfully send the Enter key to a webbrowser control using .net. I can succesfully send postmessage Tab key and it tabs through the links and controls, but it does not click on the link when I send Enter key.The website I am opening has frames, and due to the cross frame scripting policies microsoft forced into the IE control , I cannot retrieve the links from the IFRAMES on the page. So my alternative thinking is to use Tab keys to get to the link and then press Enter.
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Jun 19, 2009
I want to make live search form like when user enter 1 char then it ll find all data start with or contain letter.i have use the sql like query with textbox textchanged event but it is too slow any other method to make it fast?
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Mar 11, 2010
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.
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Mar 2, 2010
In reading various answers regarding "masked TextBox Control, am I to assume that the masked textBox control uses a mask to determine what characters the user can enter into the control?
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Jul 1, 2010
I am trying to run a search query at wordpress via a webbrowser control, when I enter the search query in any browser it works fine, however when I try the same thing with the webbrowser control in VB the search does not work.
[Code]...
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Aug 30, 2010
I'm making a (F1) part for my application. I made a form with a Webbrowser-control and I made several .html files. Now I would like that the users enter a keyword and that they see all the files where that keyword is found in the metatag <keyword>. What is the best (and fastest) way to search for that?
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Mar 2, 2011
i am making my final year project in vb.net for data entry i want to make the project more user friendly i use code to change the control focus by pressing 'Enter'(ASCII 13).. and clear the content of current control by pressing 'Esc'(ASCII 27)... in my project one form contains at-least 300 of controls say(t1,t2,t3,t4...)
so in the keypress event of t1 i have writen
if asc(e.keychar)=13 then
t2.focus
elseif asc(e.keychar)=27 then
t1.text=nothing
end if
the code works fine but produce an alert beep when i press ENTER to change the active control...
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Mar 5, 2010
I just downloaded Windows Search 4. Ive seen several spots that seem to hint that you can access it using .NET but I cant seem to be able to find anything.
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Jan 9, 2012
I have the following
[Code]...
I want to make it so it doesn't preform a button click if you press CTRL and Enter.
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Jul 22, 2009
I'm running into some issues when trying to perform a directory search. For some reason I keep getting a {"Unknown error (0x80005000)"} -2147463168 soon as I try and run the search. When I review the details of the error under item I get "In order to evaluate an indexed property, the property must be qualified and the arguments must be explicitly supplied by the user."I'm running as the domain admin, so I hope I can rule permissions out of the picture. I have tried the ldap string with and without the server nameip address makes no difference.Starting to think there is an issue with AD.
I have included the simplest code that reproduces the error.
[code]...
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Dec 25, 2011
How can I change the headers (User-Agent, etc) for my webbrowser control, not just for the first page that I browse too, but for all pages.
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Nov 3, 2009
How Do I Make Button.click Event Perform both the enter and period(del) keys on the numeric keypad? [Code] Case Keys.Enter and Case Keys.Separator do not work. Nor does anything like Keys.OEMPeriod for the period(del) key. I've also tried calling the enter key in a KeyPress event etc. But to no avail. Any ideas? I'm trying to mimic Windows calc.exe for a school project and thought I'd try throwing in a few extras such as numeric keypad functionality.
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Jun 21, 2010
I have created a SELECT FROM WHERE query to perform a search here is my code:
SELECT EmployeeID, DepartmentID, Forename, Surname, Role, Email, Telephone, Extension, Mobile, Photo FROM Employees
WHERE (Forename = ? or ? = '') and (Surname = ? or ? = '') and (Role = ? or ? = '')
I have then put the folllowing code to rung the query within my form:
Me.EmployeesTableAdapter.FillByName(Me.myDataSet.Employees, Me.ForenameTextBox.Text, Me.ForenameTextBox.Text, Me.SurnameTextBox.Text, Me.SurnameTextBox.Text, Me.RoleTextBox.Text, Me.RoleTextBox.Text)
When i search by forename or surname it works fine but when i search by role i get this error..oledbException occured No value given for one or more required parameters.
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Nov 19, 2009
I want to link sql server and vb.net (ADO.NET) . I'm using visual basic 2008 express edition and sql server management studio.
My problem is how to perform a search starting from the completion of a form (in vb.net ). On pressing the button search it verifies if the records are in the table (in my case FoaieParcursMasina).
SQL Server:
Step1: Create the table and insert into them the values (full DDL):
-- creating the table FoaieParcursMasina
CREATE TABLE FoaieParcursMasina
[Code]....
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Dec 31, 2009
i 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
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Dec 4, 2010
When i upload my site in aspspider.com then it shows the following message.I use default dataase of asp.net namely ASPNETDB.MDF
Server Error in '/dobriyal' Application.User does not have permission to perform this action.Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.Data.SqlClient.SqlException: User does not have permission to perform this action.
Source Error:
Line 7: Dim cmdSelect As New System.Data.SqlClient.SqlCommand("SELECT Password FROM a1_admins WHERE EmployeeId =" & TextBox1.Text & " And Email = '" & TextBox2.Text & "'", SQLData)
[code]....
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May 26, 2009
I'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]...
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Jun 5, 2012
I am working on a project for an office messaging application and I cannot find resources to learn how to accomplish a certain task. In my application, I want my users to enter their own Username to identify themselves within this application - apart from their Active Directory usernames. Additionally, I want a function in my application that will scan my Local Area Network and identify all computers connected and listening on the port I specify for message traffic. This is the only way I can think of to identify which users have installed my application, and are available to communicate with...
Ultimately I want to show all available users in a Listbox on the Form of my application. I am able to find code that will retrieve a list of computer names from AD, or even usernames from AD... but how can I identify and list only those users who have installed my application?
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Dec 29, 2011
i am trying to make it so that when you are typing a url into the url box on my web browser, you can click enter to search like on comercial browsers instead of having to click the actual search button, im trying to do the same with the web search(google, bing, yahoo!). it worked before, but i've added a tab system to the browser and now it's not letting me click enter to search.
my code:
Private Sub urlgo_KeyDown(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles urlgo.KeyDown
If e.KeyData = Keys.Return Then
CType(TabControl1.SelectedTab.Controls.Item(0), WebBrowser).Navigate(urlsearch.Text)
[code].....
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Oct 6, 2011
I have DataTable, and is bound to DataGridView. So, when the user inputs some values in 4 columns, it would calculate the sum and put it in the last 2nd last column.
Here's the code that I'm experimenting:
vb.net
Private Sub DataGridView1_RowLeave(ByVal sender As Object, ByVal e As System.Windows.Forms.DataGridViewCellEventArgs) Handles DataGridView1.RowLeave
Dim i As Integer
Dim intTotal As Integer = 0
For i = 5 To DataGridView1.Columns.Count - 3
[Code]...
So, basically it should sum up certain columns when the user enters numbers into it and then display it in the last column.
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Nov 19, 2008
I tried this but it doesn't work
[code]...
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May 26, 2011
I have an ASP.Net 3.5 in VB.Net page that uses a master-page and has several pages it uses to display content. On the master-page their is a search text-box for the site so that shows up on all the pages. Their is also a login page screen to get to a members account.The issue is: When you are on a content page I would like when a user puts something in to search for and presses enter it will process the search request.But....If you are on the login page I would like to disable enter key for the search and if the user presses enter on the login page to process the login request.
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Jun 9, 2010
I can achieve in VB what the following C# snippet does but it seems very clunky since I perform a Linq query to obtain the events for the relevant user. Is there a neat way?
ctx.FetchEventsForWhichCurrentUserIsRegistered((op) =>
{
if (!op.HasError)[code]........
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Aug 14, 2009
how to enter a page with a webbrowser like program. All I entered was this.
[Code]...
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