Dataview Showing Wierd Numbers?
Sep 13, 2009
This application seems to work. Basically I run a CustomerID and the dataview shows the customer incidents from the database file that are tied to that CustomerID It works, however when I start the program up the digits 27 through 43 are listed in the dataview, I have no idea where there coming from. When I run the CustomerID the numbers remain and the customer incidents that I want to appear in the dataview in fact do show up but I have to scroll down through those digits first.ere is the code behind the ASP file that is creating this.
Imports System.Data
Partial Class CustomerSurvey
Inherits System.Web.UI.Page
[code]....
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Apr 26, 2009
This is just wierd.When i run this code, my computer gives a little sound, like that POST-sound when you boot your computer
[code]...
why is it doing that? btw im using 2008 but im sure the code works in most other versions.
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Nov 20, 2010
If want to do a DataView.Find on a DataTable that is already 'ORDERED' by the Column I am seaching, so a DataView.SORT should not be necessary, but it throws an Exception if I don't give a .sort command before the .find command. Is there any way to avoid this apparant duplication ? and speed up the search time. Its a very large table - 1 million rows. I am using VB 2010
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Jan 5, 2012
I got a problem with dataview that get data from datatabel (Col1 : ID,Col2: Time) and I'm sorting by Time in desc ... when the values for example {40.21,80.21,70.25,25.2} the dataview sorting them as I need but when one of values goes above 100 for example {40.21,80.21,100.25,25.2} the dataview always sort the highest number is the buttom, I don't know why ..
This is a sample code
Dim dt As New DataTable
dt.Columns.Add("ID")
dt.Columns.Add("Time")
[CODE]...
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Oct 21, 2009
I've got an app that sometimes stores some decently small numbers, such as 0.000023425. These numbers get loaded up in TextBox controls for users to edit.
Dim number As Double = 0.000023425
someTextBox.Text = number.ToString() ' Shows "2.3425E-05"
As mentioned, the text that shows is 2.3425E-05, which isn't exactly intuitive for the user to see, plus I have numbers even more precise (out to 19 decimal places). I would like the output to be fixed point. Of course I could easily and cleanly do:
number.ToString("F20") ' Shows "0.00002342500000000000"
But then there's an annoying number of zeros left over. So, to fix that, I could do:
number.ToString("#,##0.####################") ' Shows "0.000023425"
Which is what I want, but is there any better way to do it than to have that giant ugly format string there? So, ok, it's not that ugly, but surely there's a different way, right? My goal is to show the raw value being stored in the DB in a friendly way, and I would rather not have to force a format on the number at all.I found that changing the underlying datatype to Decimal solves the issue.
Dim number As Decimal = 0.000023425
someTextBox.Text = number.ToString() ' Shows "0.000023425" instead of "2.3425E-05"
So it sounds like Doubles aren't precise enough to be displayed normally?
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Jul 11, 2011
All i made was a program to launch diffrent programs ^^. This is what I am currencly workin on: A calculator to calculate waves for example Wintermaul. I have writen this code:
[Code]...
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Mar 31, 2011
I have a problem with the combox its only displaying the first item in the list its being populated by a webserice call the drop down in question is comboboxmodel now the manufacture one is fine and sets as it should any reason as to why the comboboxmodel would not. [code]
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May 2, 2012
i am trying to add several rows to a dataview before bindng it to the datagridview. I have tried several variations of the below code but only the last row will actuall load into the grid. Probably doing something stupid.
My code is:
dvInspectDetail.AllowNew = True
Dim newRow1 As DataRowView = dvInspectDetail.AddNew
newRow1("IDetail") = mDetailNo.ToString
[Code].....
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Feb 12, 2012
Looping through rows in a DataView
I have created a dataview from a datatable.
My question is how can I loop inside the dataview?
I know that in a datatable I can perform a loop like this:
For Each oRow as DataRow in iDataset.Tables("tableName")
Msgbox oRow(0).ToString
Next
How do i do that for a DataView?
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Mar 9, 2011
I have an XML that looks like this:
<?xml version="1.0"?>
<?xml-stylesheet type="text/xsl" href="library.xslt"?>
<Library>
[code].....
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Apr 19, 2011
I have a sqlDataSource that runs a stored procedure that returns a table of the days of the month that was passed in as a parameter, arranged as they would in a calendar. It also returns a second table which contains the event details associated with certain days of the month.Basically, how would I go about accessing the values contained in the 2nd table that is returned by my query?I have tried putting the result of the .select in a dataset, unfortunately I get a cast error. If I try to put it in a dataview, I only get the first table.[code]
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Jul 31, 2009
I have a form where I open an Access database with 3 tables. I have defined datasets and dataviews for these three tables in the main form. I want to open a new form and access and update the tables using the dataviews I've already defined. When I try to access a record from the dataview using the new form, it's not defined. Can I pass the data between forms or do I need to redefine it in the new form? This is the first time I've tried to use multiple forms.
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Jan 16, 2012
I am trying to create a basic webpage that will check a column of a database table to see if a "UPC Code" is taken already, to prevent duplicate use. I'm fairly new at .NET programming, but have built asp pages before. I'm just stumped :/
I have a textbox that a user can type in a number. The page successfully checks to see if the textbox is blank and reports the error, and if there is a value, it's supposed to bind that textbox number to a gridview to see which Item# it's associated with. But for some reason, my code is not binding the value of the textbox to the gridview.
Code:
<%@ Page Title="Home Page" Language="vb" MasterPageFile="~/Site.Master" AutoEventWireup="false"
CodeBehind="Default.aspx.vb" Inherits="UPC_Checker._Default" %>
<asp:Content ID="HeaderContent" runat="server" ContentPlaceHolderID="HeadContent">
</asp:Content>
[code]....
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Mar 6, 2009
I have the following code, I just want to create a dataset add some records and display it.
Make the DataSet.
Dim scores_dataset As New DataSet("Scores")
' Make the Students table.
Dim students_table As DataTable = scores_dataset.Tables.Add("Students"
[Code]...
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Jun 5, 2011
I have a form which is primarily pulled from Table1. Table1.fieldA is an integer representing a project phase. In the current Access display the form displays not the integer, but a String stored in Table2 that holds integer/String pairs representing all the phases.I'm trying to figure out the best way to reproduce this in my .NET formview. I could write code that would parse the int and display text, then reverse the process at save or insert, however then the code has to be updated if a new phase is added to the database. draw the String values from Table2 while preserving the binding to Table1 but I haven't figured out how.
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Feb 17, 2011
How Can I Row Filter with a condtion on colam where Coloum1 = > 0
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Feb 7, 2011
i guys, Ive been stuck on this problem for awhile now I need to read an XML document into a dataview object.At the moment I am reading the Xml into a dataset
Public Function GetDataSet() As DataSet
Dim ds As DataSet
ds = New DataSet
[code].....
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Mar 11, 2010
I need to search all cells inside a dataviewgrid in VB.net starting with "www" , once i found one cell apply a background color to the complete row and get the next cell with the same String.[code]...
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Nov 7, 2010
How to select data by Id from Dataview . I want to show this it in deferent Textbox
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Oct 1, 2010
How Can I Select Data from Dataview by Id. I want to use it in Invoice I have All Produck List in Dataview by Id. I just want to Put the Produck Id in A textbox and it will fill the all produck information in other textbox from Datview.
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May 31, 2012
I'm trying to pull a table from an SQL database and sort it on the "Date From" (DtFr) column, which represents the start of a lease. I thought it would be as easy as this:[code]......You were right about the string value. I added a data column called sortDtFr to the datatable and gave it System.DateTime as a datatype and iterated through the rows setting the new column's value equal to the old one casted as a Date. Here's the code for those interested:listing all drives with GetLogicalDrives()..I am getting ( A:. C:, K: )
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Feb 3, 2012
This is my data stored in table1,
[Code]...
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May 24, 2011
It works with 1 parameter (i_index) but if I also use i_datum, I get an error like: "Conversion from string "park_id = 100" to type 'Long' is not valid." Public Function detail_kalender(ByVal i_index As Int16, ByVal i_datum As Date) As DataRowView
Dim dv As DataView
Dim anyrow As DataRowView
dv = New DataView
With dv
.Table = myds.Tables("kalender")
[Code]...
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Sep 2, 2010
I have a solution in vs2005 vb.net.I have a 'personalized' dataview with different datacolumns.I'd like to add a 'personalized' textbox in one of these columns. How can i add it ?
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Jan 17, 2009
This is a continuation of this thread...
[URL]
So - is creating a DATAVIEW like this in a class doable? Then when the DATATABLE changes the DATAVIEW is always kept freshly updated?
Public Class caseBAL
Private _connection As New SqlConnection("Server=fps-lap-szsqlexpress; Initial Catalog=Casefiles; Integrated Security=SSPI")
[code]....
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Jun 21, 2010
I have six textboxes, and upon button press it randomly generates six numbers, one in eact text box e.g. [43] [85] [93] [1] [0] [17]..i create another six textboxes and at the same time allocate these numbers in ascending/descending numbers.I am not looking for any codes whatsoever, as i love the challenge of VB.Net.
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Apr 7, 2009
Im trying to write a program that will do:
1.The average of the four numbers. This answer will be placed into a text box reserved for that value. This text box cannot be changed by the user.
2.The maximum and minimum values. These will be denoted by changing the color of the largest number green and the smallest number red.
3.The range of the numbers. The range is defined as the difference between the largest and smallest numbers. The range will be placed into its own text box, labeled as such. This text box cannot be changed by the user."
Im using visual studio 2008 and it has to be written in VB
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Aug 16, 2009
So how would I use .next (random numbers) to randomly select something from a list of numbers but it can't repeat the number?I could do:
dim num as integer
dim r as new random
num = r.next(1,5)
if num = 1 then
elseif num = 2 then
etc.
That wouldn't work because it would repeat.If I donwload someone's game can I disect it in VS? :0 I tried going to open project, then I went to the folder and clicked open. It brought me inside of the folder so I tried to open the game but there is no form1 there. It says the games name then .exe in the explorer-like thing in the top right?Also, how would I have a value or something in a label and access it from a button.
Example:This is in a label.
Dim number as Integer
number = 0
Then in the button do
Label.number = 0
How would I do something like that? I want to use that a lot as I did in a different language.
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Mar 18, 2011
I have a program that allows a user to input numbers from an inputbox and it displays the Total numbers entered, the sum of the numbers entered, and the average of the numbers entered. What I can not seem to find it how to have it display the largest number entered. The code I have so far is,
[Code]...
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Mar 28, 2010
how can i add two excel sheets with numbers and the equal (similar)numbers to save once
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