How To Display Data In Intended Format
May 3, 2011
I am using VB2010 and have a project set up with a DataGridView that is to display a table of data selected from a SQL 2008 database using a pre-defined dataset. My question is simply how to display the data in the intended format as seen in the attachment. I am attempting to merge rows in the first two columns of like-data. Addtionally, if that can be done, I would also like the user to be able to double-click on a name that would open an editing form.
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Jan 23, 2009
I am developing windows application. Now I have got the data in the data set . Now I need that to be displayed in the table format, not in the grid.but in the table format as we get in web applications.Is it possible to achieve it? If so how could it be archived?
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Nov 4, 2011
asking a newbie question. Where is the format properties for changing the data display format in VB2010 Express
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Aug 24, 2009
<asp:GridView ID="Gridview1" runat="server" />
<Columns>
<asp:BoundField DataField="Years" HeaderText="Year" />
[code]....
I have above Gridview in my aspx page. but I need to format my Hours column from hour to (Day, hour) format for e.g. for 72 hours it should display as 9 d 0 hr.For that I have one function in my .vb page as follow,
Public Function ConvertHoursToDays(ByVal totalHours As Integer) As Object
Dim num As Integer = CInt(Math.Round(Conversion.Int(CDbl((CDbl(totalHours) / 8)))))
If (num < 0) Then
[code]....
Can I use the function to display gird data in (0 d 0 hr) format?
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Jun 15, 2010
I'm currently learning VB.net and can confidently connect to databases and return results to comboboxes run stored procedures ect to datagrids, However I'm wanting to find an online tutorial for doing loops with data so for example
I return the following data into a dataset
Orderno Orderitem Price GUID
111 Pies 1.50 xxx-xxxxx-xxxxx-xxxxxxx
111 orangutang 2.00 xxx-xxxxx-xxxxx-xxxxxxx
ect
I want to display each element on a page in a structured format so as to make a visual representation in seperate entities (labels maybe) of the data like so:
Order number
line 1 (includes item and price in plain text on a page i guess using a label)
line 2 (same goes)
Subtotal( )
The results and formulae i can do but it's simply how to split off the data from my dataset and display elements as seperates (also how will i dynamically create the lables as obviously i'm not going to know in advance how many order item rows will return )
Obviously this is not urgent but if anyone could point me at a tutorial or even better a few lines of code that will do this for the microsoft northwind data so i can mess about with it and play.
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Aug 3, 2009
I have a DGV that is getting data from a sql db. The dates in this db are stored as doubles ie 40025.708681
How do I format this column as Date/Time?
I tried but this doesn't seem to work.
how to do this? DGV1.Columns("HostDate").DefaultCellStyle.Format = "d"
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Jul 1, 2009
I have a solution in which I have included three projects, say X Y Z..Now one of the projects X refers to the namespaces A.B.ObjectStore and another namespace ObjectStore..Now when the ObjectStore namespace is used the compiler thinks it is A.B.objectStore.I cant use a better qualifier as the one intended to be used is a plain ObjectStore only.
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Apr 7, 2012
I'm designing a system to detect whether a projectile arc impacts a stationary square target. However, the detection is very limited and only seems to work if I use a while loop and a very large area, whereas if possible I'd prefer to animate it using a for loop and have the target somewhat smaller.Here's what I have at present:
Private Sub Timer2_Tick(sender As System.Object, e As System.EventArgs) Handles Timer2.Tick
If (Not errorState2) Then
[code].....
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Mar 13, 2010
I'm currently working on a VB .net project that requires connection to a MySQL table. I've no problems loading data from MySQL table to a datagridview. I'm hoping to allow users to make changes to the datagridview and save those changes back to the MySQL table. Below is the Sub I wrote to save the changes. Before saving, it will check if there were any changes made to the datatable. However, datatable.getchanges() does not seem to detect changes made to datagridview (and hence, datatable; I "bound" the datatable to datagridview by means of bindingsource).
[Code]...
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Feb 6, 2012
I have a couple of shared methods in my app which are intended to be used with ObjectDataSource's (and other reflection based objects). They handle a lot of automatic parameter checking, filtering, etc. They are, however, all one time use methods (they rebuild everything on every call). It would be much better for someone writing code directly to call the instance methods so that all the filtering, etc, is stored between calls.Is there an attribute I can add to my methods to indicate this? The best would be if it would prevent the method from being called without reflection. Second best would be to issue a warning that the method is being used wrong.[code]
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Mar 21, 2012
The only place I've seen the Friend modifier used is in the WinForms designer, as alluded to in Why is the modifier set to Friend in Winforms? and VB.NET: what does the 'friend' modifier do?. The Friend modifier appears to be an almost arbitrarily wide access level that was created to solve some historic architectural problem in VB, I just wonder if anyone has a meaningful continued use for it?
I have had some desires to expose methods only to a given namespace so as to roll the functionalities of a related collection of objects together and manage any of their non-thread-safe methods, while exposing the safe public methods to a wider scope in the same assembly. This access level does not exist yet Friend does. Possibly a corollary question then, is my usage of assemblies and namespaces at odds with what is intended?
[Code]...
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Sep 21, 2010
I am currently reading up on documentation for a possible assignment I might be put on. In a design document they talk about the .exe.config file. They state that its only purpose is to store constants: "Also note that this file is meant to store constants only, it is not meant to write configuration values to (and the .NET 1.1. framework even prevents this by not offering classes/methods to do so). Therefore, configuration is written to XML files using a..."As far as I understand, this is not true. I don't know about .NET 1.1 preventing this, but I remember in my last project that I did write configuration values to that file (I saved GUI contents there). My project was a small prototype, so maybe I did it wrong, but I do not think so...So what is the intended purpose of this file?
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Jan 10, 2009
how i can able to determine if the user intended to delete a file. What im going to do is this application will be placed in a certain folder together with some files. And this program will determine if the user inteded to delete a file within the folder.
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Jan 18, 2012
I'm using a DO interation to loop a function I'm using to test for internet connectivity. The code is working fine, except that when one of the tests is satisfied the loop stops. I want this to continue in the background while the program is running. How can I get this to work?
Private Sub checkInternet()
Dim InetChecker As Boolean
InetChecker = CheckForInternetConnection()
Do While LabelCount.Text <> ""
Thread.Sleep(10)
[Code] .....
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Sep 26, 2010
I have to develop a small app for which I have to create a user control which is intended to be something like a Table View.On Form Load, the user should be asked about the number of rows of columns required on the form.Once the user sets the number of cells, each cell should have a button and a Text Box inside it (grouped together).
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Oct 11, 2010
Ok for some reason I am having multiple problems with this code. The first issue is that one of the lines of code is seemingly ignored. Another issue is that some of the events are firing many times when they are only supposed to fire once. I have attached my code.
By the way, the string stored in AppSettings("WatchPath") in this case is C:Temp
Imports System.Configuration
Imports System.Diagnostics
Public Class Service1
[Code].....
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Dec 20, 2009
I have the following code in my asp.net: <asp:Image ID="imgInv" runat="server" width="600px" /><br /> Then in my vb.net page,i have the code:imgInv.ImageUrl = .Item("ImagePath") The data that I retrieve from my sql server is such as:C:1.tif However, the image could not be display. May I know is it vb.net does not support to view tif format picture.
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Jun 21, 2010
How to display INT value in textbox1 in this format 45,75,147.45 I do not want to use MaskedTextbox
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Apr 25, 2012
I'm working on a project that requires us to show the contents of a .txt file to a listbox. We only want part of the file to show.
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Jan 11, 2011
I am developing a application in which i use to connect to any mail server and get the unread mails from that,right now i am listing the them in listview and when i click any item in list it displays the message body in browser control.My problem is that the displayed msg is in stream format,i wanted to display in correct format like in yahoo,gmail,hotmail.
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Apr 2, 2009
I have a sql server table with 2 cols. text, image. and i want to display these in a gridview or any table format. but i want pics to appear like this:[URL]..pics are side by side. how do i achieve this in vb.net.there will be 100s of pics and i need paging functionality too.
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Apr 26, 2009
How do I format the textbox to display just time? For example, I type "1:00" but it returns "26/04/2009 1:00" following below the code i�m using to calculate the time differrence.[code]
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Jan 8, 2010
How to display INT value in textbox1 in this format 45,75,147.45 I do not want to use MaskedTextbox
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Nov 15, 2011
in the below coding the files selected in the dialog box are dispalyed in the list-box, but while selecting the format i need to display only the selected format files to be displayed , how to modify the coding to keep like that.[code]
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Feb 7, 2012
What is the correct numeric format to display a Double value as a percentage with a sign (positive or negative) ?
I currently have:
percentage.ToString("P2")
but the "P2" leaves out the positive sign. For example a value 0.1234 should be displayed as +12.34%
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Jun 11, 2010
I am creating an application which requires I enter an amount into a TextBox. This amount is the amount of money I plan to deposit into a bank account. I would like to find a way to get the TextBox to display the number entered in a currency format after the user has tabbed or clicked the next field.
Example: Type 10000 into the TextBox and press tab or click another field.TextBox automatically changes to display the 10000 to $10,000.00.
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May 5, 2009
This the test example.
Dim dt As DataTable = New DataTabledt.Columns.Add("StartTime")dt.Columns(0).DataType = System.Type.GetType("System.TimeSpan")
[code]....
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Dec 14, 2010
I am showing some data in a DataGridView using an access table. Here is my
Dim ConnString As String = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=....db.mdb"
Dim SQLString As String = "SELECT * FROM Table1"
Dim OleDBConn1 As System.Data.OleDb.OleDbConnection = New System.Data.OleDb.OleDbConnection(ConnString)
Dim DataSet1 As New DataSet()
[Code] ....
The problem is that there is one column in my access database that is formatted as date/time however the only values in the access is time. When I display this table in the DataGridView, it adds this random date from years ago in front of that time. How do I reformat this DataGridView column to only display the time and not the date?
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Feb 9, 2011
I'm using VB 2008 and reading data from an access 2003 database.I have a query setup in access - read in as a 'view' in vb ... that is showing results of first pass yield. total good parts... total bad parts... and percentage of yield.in my access query - i have the percentage displaying properly using the column format in access... however - on my form - the data source comes in as a textbox...by default.I can't seem to google the right question - but right now on my form, even though the dataset recognizes it as a double precision number - the option in the datasource tab - shows it as a text box or data grid right ...
so on my form i have the text box or details option... but my text box shows the percentage as a long decimal ... .98936524 or whatever... what's the correct string i need to format the textbox.text to display a percentage?I tried format(val(textbox.text), 0.00) that didn't do anything... and I did this under the form load section after the data sets were filled.
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Oct 18, 2009
I'm trying to get the Subtotal, Sales Tax, and Total to be displayed in currency form, (i.e.: $0.00). The form:
Private Sub CalculateButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles CalculateButton.Click
Dim PartsCharges As Decimal
Dim LaborHours As Decimal
[Code] .....
Is there some easy line of code I can do to format it? I know how to do it the .ToString("C") way, but that doesn't work in my case, because they are text boxes and don't have any declared variables for the numbers that are inputted inside of them.
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