I have a txtbox(for barcode).. if i input a item number in that txtbox and if that number will match in your database, the other information(shall we say, product type, item ID, etc..) will display in my other txtboxes..
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I have an existing database that I want to add a number to that the user inputs. So lets say that in the database there is 4 carrots, and the user on the addinventoryform inputs 3 carrots and pushes a button. Now I want that number to be added to the database number so in the database there would now be seven carrots. I am using an oledb connection and cannot figure this out.
View 1 RepliesPart of my assignment is to check if input to Group Number and Number of Units are correct input by making error handling exceptions...
I have to check the following:
a) group number is neither 501 nor 062
b) number of units are NOT numbers
c) number of units is NOT a positive number
So my first question is, am I checking correctly? 2nd question is, How do I make sure my Exceptions will pertain to their correct respective things (a, b, and c.. above)?
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my textbox will shows a random number some time it match, some time it don't. for example: my textbox is displaying "56" and my listview was added "11" instead of "56".here is my code...
TextBox1.Invoke(New Action(Of Integer)(AddressOf UpdateTextBox), CurrentNumber)
I got most part correctly but the only part isnt working right is when the last 5th digit match the sum number at the last number.
Private Sub btnVerify_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnVerify.Click
Dim strCardNum As String
Dim strSumNum As String
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I am trying to create a lotto simulation, but don't know how to continue.I am using numericupdowns to allow users to select 6 lotto numbers. and labels to display what they have chosen, but i'm not sure how to prevent duplicates without creating a large number of If statementsMy question is, is there an easier way to prevent duplicates without writing a bunch of if statements?here is my code:
Public Class Form1 Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click Dim Lotto1, Lotto2, Lotto3, Lotto4, Lotto5, Lotto6 As Single Lotto1 = Val(NumericUpDown1.Text) lblLotto1.Text = Lotto1 Lotto2 = Val(NumericUpDown2.Text) lblLotto2.Text = Lotto2 Lotto3 = Val(NumericUpDown3.Text)
[code]....
I don't understand how to save the user selected numbers, let the computer generate 6 random numbers, and match the two sets of numbers together to see how many matches there are. As far as I understand the numbers should be stored in 2 separate arrays and then matched together to find any matches.
I am trying to draw textboxes when the user enters the amount of textboxes to be drawn on one form and the textboxes get displayed on the another form. I have found these codes online but it works with inbuilt codes I guess. That is, the number is already hard coded in the form.
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I have created a basic query generator which allows a user to select the Select, WHERE and criteria attributes using a number of checkboxes.However i have got stuck. In the results form i have the following code
Private Sub DisplayRecord()
RichTextBox1.Text = ds.Tables("newResults").Rows(intCurrentRecord).Item(0)
RichTextBox2.Text = ds.Tables("newResults").Rows(intCurrentRecord).Item(1)
RichTextBox3.Text = ds.Tables("newResults").Rows(intCurrentRecord).Item(2)
[code]....
The program keeps on crashing if the user does not select the corresponding amount of display records from above for the amount of attributes they want for the SELECT part of the query in the intreface in form 1.
How would i go about making something where the number of SELECT attributes selected which are listed in a string create the correct number of textbox fields in the results form (form2)
I am new to visual basic. Below is my
Private Sub todayMonth_Validating(ByVal sender As System.Object, ByVal e As System.ComponentModel.CancelEventArgs) Handles todayMonth.Validating
Dim tb As TextBox = DirectCast(sender, TextBox)
If Convert.ToInt32(tb.Text) >= 1 And Convert.ToInt32(tb.Text) <= 12 Then
tb.Tag = True
[Code] .....
Actually, I wanted to validate the todayMonth textbox just to input number between 1 to 12. The problem comes out when I do this procedure : Lets say I input an interger 11 and it passes the validation and proceed to another textbox. Then I click back to the todayMonth textbox, it shows this error :
"Conversion from string "" to type 'Integer' is not valid."
I don't know why my value in the textbox is "null" or empty . I still saw the value 11 on the textbox.
I'am creating a program that will input a number in a textbox for example 5 and display 5 textboxes in form...I have no idea how to do this but here is the code i've done..
textbox1.text = val(textbox1.text)
'i don't know what to do next..
How would I code a TryParse to get the input from customer from a textbox named Strands and convert it to a number (this number will always be a whole complete number, cannot be 5.6 or 4 1/2 or whatever) then have that Strand number be muliplied by the selected item in my listbox1. This listbox has an access database bound to it with 2 columns Size and Area, the Size equals the Area and I set the Value to the Area column but set the Size to show up in the list box. and the Strands textbox has to muliply by the Size picked, but by the Area # not the Size #. And the results of that multiplication showing up in another textbox named total.
View 14 Replieshow to do array of textboxes when a user input a number of textbox to be loaded and when the button clicked, the array of textbox that the user enters will appear?
View 1 RepliesHow can input number to database where my field in database data type money.[code]...
View 5 Repliesvalidation in vb.netemail_id validation,name,mobile number,Telephone number,zip_code,address i want to all code the textbox
View 3 Repliesi want to set a default number and you type in a textbox a random number it should tell you whether it's high or low ,and when you typed in the right nmber it a lable should says something like you win .And also how can you change PART of a lable by typing in a text in a DIFFERENT FORM
View 6 Repliesi have a combobox containing countries name and their codes like INDIA:CNT001 then i have a textbox that store the code of country i.e CNT001(fetching from database) Now i want to match that code with the combobox code so that the combobox is set to that item when i click a button. i m using vb.net and sql server as database.
View 5 RepliesIs there a way to check if a number in a TextBox is an even or uneven number?
View 8 RepliesI'm doing a notepad project, just because, and in Ms's notepad there is an option for a statusstrip. I'm just having probems getting the line number and I know it's not called column number, more like selection start. When I do the selection start, it works, just not how I want it to like so:
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but when I use that, it acts funny. I have it in my textbox's.keydown event. So if I were to use the arrow keys to navigate around text then it gets thrown off very easily. How would I do this?
i am creating a currency calculator and need to multiply the number in textbox1 with the number in textbox 2 (exchange rate) i also have a £ or a $ depending on the currency selected.
View 9 RepliesI am doing a bar cash register and I want to use a if statement to see if fosters button and number 1 on the number pad are both pressed then multiply constant by quantity number
View 1 Replies1 <span class='Txt9Gray'>Decisions ( </span> I'm trying to grab the '1' from this string. Before the '1' is another span, but I can't use that as a marker because it can change from page to page. Is there any regex expression that can simply grab the '1'.
The word 'Decisions' will always exist. That's my main way to find this line. Here's what I have been trying to no avail:
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I have 2 strings:
"This is number 123456789"
"This is number 123456"
I want to match the last number "123456" and replace this. Not the first number because the length is > 6 digits. I have this regex "d{6}" but then he will match the first number also.
Is it possible to write an SQL statement for MySQL which finds all rows which match a specific arrangement of letters/numbers without using REGEXP? i.e. SELECT myCol FROM myTable WHERE myCol='{number}{number}{letter}'Should return 12X and 34Y but not 123X or 34YY..SQL match on letter and number arrangement). The difference is that I have discovered that I cannot use regular expressions with the ADO.Net driver I am using. Whatsmore, I cannot update it since I am using Visual Studio 2003 which is not compatible with later versions.]
View 8 RepliesI have a form in an application that I'm building that shows a datagridview with the last field being a checkbox. What I'm attempting to do is if the user clicks on the checkbox and then clicking on "Save Changes" all of the fields on that datagridview row (except the first field) is then saved to a database. I have the following [Code] The error I keep getting is "Insert Error: Column name or number of supplied values does not match table definition.".
View 5 Repliesthe disply color buttons click even procedure shold display the color of the item whose item number is entered. all item numbers contail eactly five characters(12b12). my problem is i can not get it to disply a color in the lblcolor control. it displays the item number.
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I have a form in an application that I'm building that shows a datagridview with the last field being a checkbox. What I'm attempting to do is if the user clicks on the checkbox and then clicking on "Save Changes" all of the fields on that datagridview row (except the first field) is then saved to a database. I have the following
Private Sub holidaysaveButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles holidaysaveButton.Click
For Each dr As DataGridViewRow In DataGridView1.Rows
[Code].....
I need to count the number of records that match on the GIDs from the 'Directories' table (GID) and the 'ClientSubscriptions' table (DirectoryGID), and also the 'FranchiseGID' from both; as follows:
Dim iSubscriptionCount
SQLCommand = "SELECT COUNT(*) AS Counter FROM Directories.GID, ClientSubscriptons.DirectoryGID FROM Directories, ClientSubscriptons WHERE Directories.GID = ClientSubscriptons.DirectoryGID;"
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I need to determine whether or not to show a menu option based on the above.
Full Code: Default.asp
<!--#include virtual="/System/Startup_Admin.asp"-->
<!--#include virtual="/Admin/FranchiseAdmin/DirectorySetup/i_Directory.asp"-->
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-
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I have users check off lab facilities in a UI. I want to use linq to fetch corresponding records for all of the labs that they have checked off. Basically,
Dim myRecs = (From l As EpiData In myDataContext.EPIDatas Where l.facility= _
one of the checked labs
So basically, I need to write a linq query where the "strings" to match are determined at runtime. Is there any way to do this easily? I know that there is a library out there called dynamic LINQ, but (1) it's in C# and I'm writing in VB (2) I'm really just looking for a single, simple solution for this single case.
I am trying to match words driven from a database in a string input using VB .NET
The syntax I am using is so simple:
[Code]...
i want a button to perform a function of checking the last digit number in a field of a table in and add a digit to it and display it in a textbox.
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