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• Variable Binding Class

  - by Davis

  Hi, I believe this is a tough one... I'm trying to create a collection of variable binding in a class. It is intended to look something like this: Dim x as integer, s as string Dim c as new VBindClass x = 1 s = "Hello" c.Add x, s Debug.Print c.value(x) '= 1 Debug.Print c.value(s) '= "Hello" Is there some function that allow us to retrieve a unique ID for a given variable and also get/set based on variable?

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• EF - Entity Sql contains clausule with string

  - by zikrija

  Hi all, I have one question about EF. If I understand correctly EF does not support Contains. I try to achieve this: I have column(nvarchar) with this: for ex.row1. 1;3;4;5,row2. 3;4;6 row3. 7;8;16 etc. I have list(of string) with 1,6. My goal is to get row1 and row2 in result set. I try with linq to entity and with linq to sql but i can't get this right. I stuck with this and any help would be appreciated... Tnx

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• Is there a more concise regular expression to accomplish this task?

  - by mpminnich

  First off, sorry for the lame title, but I couldn't think of a better one. I need to test a password to ensure the following: Passwords must contain at least 3 of the following: upper case letters lower case letters numbers special characters Here's what I've come up with (it works, but I'm wondering if there is a better way to do this): Dim lowerCase As New Regex("[a-z]") Dim upperCase As New Regex("[A-Z]") Dim numbers As New Regex("\d") Dim special As New Regex("[\\\.\+\*\?\^\$\[\]\(\)\|\{\}\/\'\#]") Dim count As Int16 = 0 If Not lowerCase.IsMatch(txtUpdatepass.Text) Then count += 1 End If If Not upperCase.IsMatch(txtUpdatepass.Text) Then count += 1 End If If Not numbers.IsMatch(txtUpdatepass.Text) Then count += 1 End If If Not special.IsMatch(txtUpdatepass.Text) Then count += 1 End If If at least 3 of the criteria have not been met, I handle it. I'm not well versed in regular expressions and have been reading numerous tutorials on the web. Is there a way to combine all 4 regexes into one? But I guess doing that would not allow me to check if at least 3 of the criteria are met. On a side note, is there a site that has an exhaustive list of all characters that would need to be escaped in the regex (those that have special meaning - eg. $, ^, etc.)? As always, TIA. I can't express enough how awesome I think this site is.

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• Where Can I get a Web Server or File Share Server?

  - by Assimilater

  I'm trying to publish my program so that it can get updates and am told I have to publish my changes to a web server or file share server, but I have no idea about how I can go about getting one...are there free ones that will perform what I need to accomplish?

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• Add text into a desktop application

  - by John

  Hello, I would like to come up with a simple application that would add a specific phrase into a specific location on a desktop application. I assume this isn't very hard, but I'm kind of new. Any help?? Thanks!

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• Proper code but can't insert to database

  - by Dchris

  I have a Visual Basic project using Access database.I run a query but i don't see any new data on my database table.I don't have any exception or error.Instead of this the success messagebox is shown. Here is my code: Dim ID As Integer = 2 Dim TableNumber As Integer = 2 Dim OrderDate As Date = Format(Now, "General Date") Dim TotalPrice As Double = 100.0 Dim ConnectionString As String = "myconnectionstring" Dim con As New OleDb.OleDbConnection(ConnectionString) Try Dim InsertCMD As OleDb.OleDbCommand InsertCMD = New OleDb.OleDbCommand("INSERT INTO Orders([ID],[TableNumber],[OrderDate],[TotalPrice]) VALUES(@ID,@TableNumber,@OrderDate,@TotalPrice);", con) InsertCMD.Parameters.AddWithValue("@ID", ID) InsertCMD.Parameters.AddWithValue("@TableNumber", TableNumber) InsertCMD.Parameters.AddWithValue("@OrderDate", OrderDate) InsertCMD.Parameters.AddWithValue("@TotalPrice", TotalPrice) con.Open() InsertCMD.ExecuteNonQuery() MessageBox.Show("Successfully Added New Order", "Success", MessageBoxButtons.OK, MessageBoxIcon.Information) con.Close() Catch ex As Exception 'Something went wrong MessageBox.Show(ex.ToString) Finally 'Success or not, make sure it's closed If con.State <> ConnectionState.Closed Then con.Close() End Try What is the problem?

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• Getting data from ListView control

  - by James

  I need to retrieve my data from a ListView control set up in Details mode with 5 columns. I tried using this code: MessageBox.Show(ManageList.SelectedItems(0).Text) And it works, but only for the first selected item (item 0). If I try this: MessageBox.Show(ManageList.SelectedItems(2).Text) I get this error: InvalidArgument=Value of '2' is not valid for 'index'. Parameter name: index I have no clue how I can fix this, any help? Edit: Sorry, should have said, I'm using Windows.Forms :)

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• Getting the data out of the data Formview

  - by QEDDave

  I have an ASP pg with a formview list control on it that hooks up to a sql database customer table I want to access the customer name outside the form. How do I: A) access the bound text box in the form view template? Something like Text1.text=formview1.customername.text (that doesn't work but that's the kinda thing) B) access the database field in the table that the sqlsource connects to to feed the formview Really appreciate the help. I bet it's easy to do but I'm just not getting there.

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• How do you create a generic method in a class?

  - by Seth Spearman

  Hello, I am really trying to follow the DRY principle. I have a sub that looks like this? Private Sub DoSupplyModel OutputLine("ITEM SUMMARIES") Dim ItemSumms As New SupplyModel.ItemSummaries(_currentSupplyModel, _excelRows) ItemSumms.FillRows() OutputLine("") OutputLine("NUMBERED INVENTORIES") Dim numInvs As New SupplyModel.NumberedInventories(_currentSupplyModel, _excelRows) numInvs.FillRows() OutputLine("") End Sub I would like to collapse these into a single method using generics. For the record, ItemSummaries and NumberedInventories are both derived from the same base class DataBuilderBase. I can't figure out the syntax that will allow me to do ItemSumms.FillRows and numInvs.FillRows in the method. FillRows is declared as Public Overridable Sub FillRows in the base class. Thanks in advance. EDIT Here is my end result Private Sub DoSupplyModels() DoSupplyModelType("ITEM SUMMARIES",New DataBlocks(_currentSupplyModel,_excelRows) DoSupplyModelType("DATA BLOCKS",New DataBlocks(_currentSupplyModel,_excelRows) End Sub Private Sub DoSupplyModelType(ByVal outputDescription As String, ByVal type As DataBuilderBase) OutputLine(outputDescription) type.FillRows() OutputLine("") End Sub But to answer my own question...I could have done this... Private Sub DoSupplyModels() DoSupplyModelType(Of Projections)("ITEM SUMMARIES") DoSupplyModelType(Of DataBlocks)("DATA BLOCKS") End Sub Private Sub DoSupplyModelType(Of T as DataBuilderBase)(ByVal outputDescription As String, ByVal type As T) OutputLine(outputDescription) dim type as New T(_currentSupplyModel,_excelRows) type.FillRows() OutputLine("") End Sub Is that right? Does the New T() work? Seth

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• VS 2010 SQL Update for SQL Statement

  - by Mike Tucker

  Please bear with me as I'm just beginning to learn this stuff. I have a VS 2010 Web project up and I'm trying to understand how I can make a custom UpdateCommand (Because I chose to write my own SQL statement, I do not have the option for VS 2010 to auto generate an update command for me.) Problem is: I don't know what the UpdateCommand should look like. Here is my Select: SELECT * FROM Dbo.MainAsset, dbo.Model, dbo.Hardware WHERE MainAsset.device = Hardware.DeviceID AND MainAsset.model = Model.DeviceID Which, VS 2010 turns into: SELECT MainAsset.pk, MainAsset.img, MainAsset.device, MainAsset.model, MainAsset.os, MainAsset.asset, MainAsset.serial, MainAsset.inyear, MainAsset.expyear, MainAsset.site, MainAsset.room, MainAsset.teacher, MainAsset.FirstName, MainAsset.LastName, MainAsset.Notes, MainAsset.Dept, MainAsset.AccountingCode, Model.Model AS Hardware, Model.pk AS Model, Model.DeviceID, Hardware.Computer, Hardware.pk AS Expr3, Hardware.DeviceID AS Expr4 FROM MainAsset INNER JOIN Hardware ON MainAsset.device = Hardware.DeviceID INNER JOIN Model ON MainAsset.model = Model.DeviceID How would I approach updating one column, say "MainAsset.site" if that's changed in the Gridview DDL? Any help constructive help would be appreciated. Thank you.

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• VB Graphics : copy region (determined by 4 points ) to rectangle

  - by Safe

  Programming language : VB6 I have a problem to copy region within a picture deteremined by 4 points(p1,p2,p3,p4), and reskew it to a another picture with fixed rectangle (P1,P2,P3,P4), as shown : thank you so much in advance for your help

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• How to bring Webserive text into a Winform aplication

  - by CogentP

  I am working a Winform Application that needs to access a webservice to get some basic information. The webservice exists, and the following is a link that brings text. Which basically is the customer name in Json format. http://globalbox.com.py/api/getUSER.php?gb=3217 So, my point, i need to be able to read the name of the customer and put that into a string variable. How do I read this from Winforms? I have no idea how to go about doing this... please help. Visual Basic code would be better, or else C# will do. thanks in advance!!

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• Three 1D Arrays to One 2D Array

  - by Steven

  I have a function which accepts a 2D array, but my data is in three 1D arrays. How do I create a 2D array consisting of the three arrays to pass to the subroutine? Dim Y0(32) As Double Dim Y1(32) As Double Dim Y2(32) As Double 'Code to fill arrays' 'Attempting to call:' Sub PlotYMult(YData(,) as Double)

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• Stopping other subs from running while in a Sub

  - by Bigfatty

  Is there a way to stop other subs from running while in a separate sub. for instance say your in the sub CreateNumber() and the subs are setup like CreateNumber() AddNumber() DeleteNumber() Is there a way to be in CreateNumber() and call a function to stop AddNumber from running after creaetNumber() is finished? i just want my program to sit there to wait for an event to happen.

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• Getting Build Errors in Program to Change Button Name When Clicked

  - by Rishabh

  Imports System Imports System.Windows.Forms Class MyButtonClass Inherits Form Private mrButton As Button Public Sub MyButtonClass() mrButton = New Button() mrButton.Text = "Click me " mrButton.Click += New System.EventHandler(MyButtonClickEventHandler) Me.Controls.Add(mrButton) End Sub Shared Sub Main() Application.Run(New MyButtonClass()) End Sub Private Sub MyButtonClickEventHandler(ByVal sender As Object, ByVal e As EventArgs) mrButton.Text = "You clicked me!" End Sub End Class

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• I'm not sure what Option explicit means?

  - by phearn

  Is it about case sensitivity? Complete noob here.

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• How to plot the graph(line) from a file in java?

  - by kiran

  I have a directory containing list of files. Those files have some list of values as x and y ordered as line by line. And my question is just I would like to read those files one by one and to plot line graphs based on those values. Could you please help me for that?

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• Picture Box and Form Transparency

  - by Qu1nncunxIV

  Maybe I am missing something, but is it the case that when you set a pictureboxes background to transparent, all it really does is set it to the same color as the forms background? What I am trying to do is draw an animation for the benefit of this, a bouncing ball - which I paint on the form, then overlay that with a picture frame. End result should be a bouncing ball in a picture frame, I should mention that the picture frame does not have a straight edge, so it is not possible to arrange 4 picture boxes in a frame. The ball needs to vanish behind the frame to change color and then magically bounce back out. I have tried: 1.Setting the picture box background to pink and then key out the same pink, this basically cuts away everything, including that which is behind the picture box 2.Setting the picture box to transparent, this just displays the picture box background as the same color as the forms background. 3.I have tried painting the image in a rectangle, this had the same effect as drawing it in a picture box. I am not sure what I am doing wrong, I am wondering if there is any other ways I could try or if someone has made a custom control or library that supports transparency?

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• VB script + replace word only in specific line

  - by yael

  hi I find way to replace word in text file as the following strNewText = Replace(strText, "OLD_WORD", "NEW_WORD")t but this replace every OLD_WORD in the file my question is if it possible to replace the OLD_WORD with the NEW_WORD only on specific line for example I want to replace only on line that start with "THIS_LOCATION" THIS_LOCATION=OLD_WORD THX for help

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• building treeview

  - by DJPlayer

  I'm dynamically building a treeview given numerous stored procedures. the structure goes like this: OwnerRPColl.Search2() For Each root As OWNER_RP In OwnerRPColl Dim nd_Root As New TreeNode nd_Root = TreeView1.Nodes.Add(root.OWNER_RP_BUSNS_NAME) bldg.ID = root.ID bldgColl.Search(bldg.ID) For Each firstChild As BLDG In bldgColl Dim nd_lvl_One As New TreeNode With nd_lvl_One .Text = firstChild.BLDG_NAME_1 .Tag = firstChild.ID End With problem being is that I need to have labels for these.. meaning the first level of the treeview needs to say "users" when expanded displays users. Each of these users can have a building. The world building needs to be the example option, which then displays the building.. essentially I need a slick way to add the word in for the expanding level (instead of the value in the collection).

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• My.Settings not saving after install

  - by blancaster

  My application is not saving users settings after I install it. When I test my app in debug or release mode it works fine. However after compiling, linking and installing the My.Settings.Save() does not seem to be working. I can manually change a setting in the config file and the app runs accordingly. So I know it’s reading the config file on application startup. What am I doing wrong? Thanks

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• Visual Basic Display Square

  - by user1724157

  Alright I'm currently lost on a particular assignment I have for a class. I've seen many examples of this app but none of them see to help my problem is as follows: Write a Sub procedure "DisplaySquare" to display the solid square. The size should be specified by the integer parameter "size". The character that fills the square should be specified by the string parameter "fillCharacter. Use a For...Next statement nested within another For...Next statement to create the square. The outer For...Next specifies what row is currently being displayed. The inner For...Next appends all the characters that form the row to a display string. So it should come out like as follows: if a user enters "8" and "#" ######## ######## ######## ######## ######## ######## ######## ######## Any help would be appreciated.

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• PHP | Online Notepad

  - by user2947423

  I recently made a Chat application in Visual Basic using PHP. I used this code: <?php $msg = $_GET['w']; $logfile= 'Chats.php'; $fp = fopen($logfile, "a"); fwrite($fp, $msg); fclose($fp); ?> I'm now trying to make a Online Notepad. What i want to do is in Visual Basic create a unique ID. That unique ID, has to be his filename. I'm not very good with PHP so what i want to know is: I want the unique ID to be the filename of the "Note". Like: $logfile= '{uniqueID.php}'; Whenever the user opens the program, it'll open his uniqueID.php file and he can edit that in my program. Long Story Short (TL;DR) Program generates uniqueID uniqueID is going to be a new file; {uniqueID}.php On next open it will check if {uniqueID}.php of him/her exists else it will make a new one. I know this isn't really secure but it's to learn something for myself.

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• Cancel the calculation if input-mismatch was found

  - by Lert Pianapitham

  Hallo everybody, i have programmed a sub procedure, that will be called in the main procedure (called by event of mainForm), to valid the inputs before the main calculation. now i'm searching for a method, how can i cancel the calculation and refocus the mainForm if some inputs mismatch. i think, it's unnecessary to use the Try-Catch statment to trap the error from calculation because i know what is its source and it should be prevented due to the code preformance. Has someone an idea to due with this? best regards Lert Pianapitham

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• Unwanted Retriggering of Textbox Events

  - by user348917

  This is one of those "seems obvious" as how to do, but came across interesting side effect in implementing. I'm trying to keep two text boxes syncronized when information is updated. In this example, I will be using txtStartDate and txtEndDate. If the txtStartDate is changed, then the txtEndDate should should be updated. Likewise, if the txtEndDate changes, I want the txtSartDate to be updated. The side effect I'm comming across is that when I set them up under the TextChanged event for both, the events seem to retrigger against each other indefinately (endless loop?). Am I using the wrong event? Is this a task for a delegate?

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