that i can get a message box containing thitems who have the first letter i asked in a textbox , and the items are in a list box. So I repeat, i have alist box, i havetems in it, and i have a text boxupper that i wrote a letter in, and i want that when i click on the button under, it shows me the items in the list boxhat begin with the letter I enteredn the text box
View 1 Repliestrying write code to find smaller array in bigger (arrays have 2 dimensions) (i have 2 arrays type Color they contains 2 bitmaps data inside - captimage is bigger bitmap where is need to search)
function CompareI: boolean;
var
y, x, yy, xx: integer;
begin
[code]....
but no luck.. something is wrong - result is always false, can someone provide a little fix or point me to 2dimensional array compare code?
find the proper DLL with the OpenSqlFIlestream API objects so i can sue them in VBA/Access. trying to import either sqlnclient.dll or sqlncient10.dll both produce a "Can't add reference to the specified file." error. How do I get these objects into my environment so VBA recognizes and can use them?
View 6 RepliesI had a weird series of errors involving e.Graphics.DrawString() when painting a panel.I am using a barcode font [Code 128] with a library that converts text to the proper format for Barcode readers.That's fine, however, when I draw it to the panel, that's where things stop being fine:But, here's where things get funky. When I put it into a TextBox instead of drawing it via Graphics.DrawString(), everything is peachy:In fact, the TextBox one looks much better than the Graphics.DrawString() one! Am I doing something wrong?[code]
View 2 RepliesWrite a program that requests a name fomr the user and insert the name into the list in its proper location, if the name is already in the list, the name should not be inserted. --do not use any arrays or LINQ use only streamreader/streamwriter.What i've got is this...it will add the name but not in the "proper location". if i could use an array i'd just reorder the array and then write to file, but...
Imports System.IO
Public Class Project_3a_p398
'Purpose: A program that requests a name from the user
[code].....
I have data source and table that I can bind to my controls and datagridview. I can add records to data table and i can view on datagridview but I can't update and Delete records using datagrid. I have following code.[code]
View 1 RepliesTextBox1.font.size = "8".Gives me an error.... what would be the proper syntax to define a font size in code.yes I know it can be changed in the properties but I need to know to change it in code too..
View 1 RepliesSo I'm building an application that is going to do a ton of code generation with both C# and VB output (depending on project settings). I've got a CodeTemplateEngine, with two derived classes VBTemplateEngine and CSharpTemplateEngine. This question regards creating the property signatures based on columns in a database table. Using the IDataReader's GetSchemaTable method I gather the CLR type of the column, such as "System.Int32", and whether it IsNullable. However, I'd like to keep the code simple, and instead of having a property that looks like:
[Code]...
i have a notification j-query plugin .. i taste it in my page (working 100%)but when i want to use it in a event SqlDataSource1_Deleted with the response.write method it does not work
Protected Sub SqlDataSource1_Deleted(ByVal sender As Object, ByVal e As System.Web.UI.WebControls.SqlDataSourceStatusEventArgs) Handles SqlDataSource1.Deleted
Response.Write("<script type='text/javascript'> showNotification({message: 'This is a
[code].....
I'm just using the default SQL Server Express in my vb 2008 express edition as my database server for my database operation. When I tried to update the records on my table I got a runtime error which indicates the error on this line 'myCommand.ExecuteNonQuery()'and it highlights a yellow background on it. The runtime error says "SqlException was unhandled: An expression of non-boolean type specified in a context where a condition is expected, near 'Number'. ".
Imports System.Data.SqlClient
Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
Dim myConnection As New SqlConnection
Dim myCommand As New SqlCommand
[code]....
I need to write a program in vb.net using Do while, for next and do loop. Th eprogram will sum all the even integers between 2 and 50. This is what I have so far
Dim intCount, intNumber as integer
intCount = 0
intNumber = 0
[code].....
Is it possible to write an infinite for loop in VB.NET?
View 3 Replieswhat is wrong with my code and I get no feedback from my button click event, i have imported. ( code Below) and i have tied differrent combinations of the code without sucess.maybe add extra to my code for the list to show open Port or closed ports.
Imports System.Management
Imports System.Management.ManagementObjectSearcher
Imports System.Management.ManagementNamedValueCollection[code].....
i am asking that can i use c# language to implement "actions" fired on "click side events" such as mouse over the reason for this stupid question is that i remember some syntax of registering functions for particular events of formview, which are call when the event occurs (yes there ispostback involved" is something like the above possible for client side events using c# or even vb.net
protected void Page_Load(object sender, EventArgs e)
{
Label3.Text = "this is label three";
[code]....
I am working on a vb.net 2.0 application and trying to read HTTP headers. I am able to get header values through Request.Headers.Get("HTTP_VARIABLE_NAME"). I would like to get all header name/value pairs using Headers property and display on a separate page under a button click event from a given page.
How can I loop and write all name/value pairs please?
I am working on a vb.net 2.0 application and trying to read HTTP headers. I am able to get header values through Request.Headers.Get("HTTP_VARIABLE_NAME"). I would like to get all header name/value pairs using Headers property and display on a separate page under a button click event from a given page. How can I loop and write all name/value pairs?
View 3 RepliesI came upon your forum while googling my problem. I respect the fact that you don't do someone else's work as I wouldn't either. But, as a beginner I have a lot of questions so hopefully no one minds.
[Code]...
I have a 2 dimensional array 'allData(100,2) Is it possible to write the values from this 2-dimensional array to a csv, without using loop?
currently, I have a code but it uses Interop. Unfortunately, I need to just use csv because our servers does not support Interop. Here is my code when using Interop:
xlWorkSheet.Range(rangeCell).Resize(checkedOutItems.Count, 2).Value = allData
Im trying and failing to do the following: I have 90 textboxes named N1, N2, N3, N4 etc. I am generating a random number from 1 to 90 on the press of a button. If 1 is the number randomly generated then i would like the textbox N1 to to change its behaviour for example change background color. Apart from a Massseeeeeev if statement is there no way to loop through all these textboxes until the number generated matched the number in the name of the textbox? In VB 6 i used a control array so N(1), N(2), etc.
View 9 RepliesI'm trying to write code to generate a random code for a textbox. It has to contain both numbers and alphabets. This is what I have so far
Function HomeIDCode(ByRef random As Random) As Random
Dim strValue As String
Dim strAlpha As String
[code]....
How do i catch the exception, write to log and then get back into the loop?[code]i want that app keeps running although an exception is thrown.
View 11 RepliesSo basically i need to make a loop that only lets the user click it ten times then gives the answer to them.i was gonna use a DO loop that looks like this so far.
Dim counter as integer
counter = 0
Do until counter = 10
loop
and after that i'm kinda lost on what to do, i know that its needs to be if you click btnenter 10 times give the right answer and then your done.
Im trying to write a loop that will read through a number of *.csv files in a folder and then stuff the data into SQL. The code works and will happily put the data i want for a named file into SQL no problems. So when i had that working i then tried to loop it so that it would do the same for all files in the folder until all files had been done, and not error out if there where no files etc.
Maybe im tired (well, i am) or not had enough coffee but i just cant get this to work, it should be simple - i know it is infact, but its making ME feel simple.i think i should have an integer count in there, but similar examples ive seen dont use one. Also when trying to open the path i get an error at runtime "the path is not of a legal form"
code:
Public Sub ImportCUSTCSVs()
Dim dt As New DataTable()
Dim line As String = Nothing[code].
I need to write a program using a For Next loop to accept a word as input and determine if its letters are in alphabetical order.
This is the code I came up with but am getting the error "Index and length must refer to a location within the string. Parameter name: length" at run time when I click the button.
Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
[Code].....
I have a VBS script that allows me to do a recursive search through a specific registry key to find a key value in multiple of the key directories. And unfortunately it dosn't want to work properly with vb.net in my visual studio even when i try to make the syntax changes
just look through the HKLM\MICROSOFT key to search for any occurences of "DigitalProductID"
Const numRoot = &H80000002
Const strRoot = "HKEY_LOCAL_MACHINE"
Const myRoot = "SOFTWARE\Microsoft"
[Code].....
This is my current code and I wish to optimize it, any suggestions on how I could speed this up?
for (int a = 0; a <= listViewAssets.Items.Count-1; a++)
{
if (listViewAssets.Items[a].Tag.ToString() == oldReference)
{
[Code]....
I have several checkboxes in a groupbox on a vb 2008 express userform. I would like to check the checked status of each when clicking a command button and then write the checkboxes caption to be used in an email or print out. I've tried several methods and always end up with the same error "Invalid Cast Exception". I have read the help on msdn and still do not understand how to make it work. Here is the code I've been trying
Dim chk As CheckBox
Dim sb As New System.Text.StringBuilder
Dim names As String
For Each chk In gbInterior.Controls
[code]....
I have also tried the code below but cannot figure out how to check the status and print the checkbox caption.
Dim ctl As Control
For Each ctl In gbInterior.Controls
If TypeOf ctl Is CheckBox Then
[code]....
I've been able to write a thread into my app which basically does a loop in the background perfroming detection for a device being added or removed.works great!i am trying to implement another thread to check for a file on the found device...but i still haven't figured out threading enough to make this work, the versions i try to implemt are either looping along with the initial loop or cancelling itself because its already running.i've been trying to put a variable in that would switch the thread off, but it doesn't seem to work.
View 2 RepliesI have a program nearly completed that visits a web page, clicks a button, and goes on. My only problem is, I cannot find out to add the document completed event in a loop. Basically, it visits a web page, was the document completes loading, it clicks a button, but I can't find how to make it loop.
View 6 RepliesI am trying to save details from my program into a sort of mini database using excel, my program isnt having a problem opening the excel file, it is having trouble inputting the data. The first problem i would like help with is maybe a loop of some sort to get my program to look through each line on my excel spreadsheet and find the next empty line so it can input the data.
I was having some help from another person who gave me some code which go's to the very bottom cell and goes up until it finds text and then off sets by 1. However this was in the form of a macro, and I need a way to do it from my program.
[Code]....