I followed the last post about dgvs and have been trying to get my dgvs to have alternate colored lines on form load. In both apps I am working on I am using dgvs to display certain things. I do not like the look of a blank dgv on a form. When I tried to add blank colored lines to my dgv, it did work, but when I loaded the dgv with a dataset, it pushed my columns to the right and I had to add scroll bars to see my data.
View 1 RepliesWhen the form loads I want to fill the combobox with the data present in the database. So I did the below
Private Sub BindCombo()
con = New OleDbConnection("Provider=Microsoft.Jet.Oledb.4.0;Data Source=C:UsersGautamDocumentsVisual Studio 2005ProjectsF1pracF1pracBank_Account.mdb")
con.Open()
cmd = New OleDbCommand("Select * from BankAccount", con)
[Code] .....
Doing this code the data is added up in the combobox dropdown list. But when I am selecting a data from the combobox dropdown list,the all the corresponding data of the other combobox also get filled automatically. I don't want to let the other combobox filled with their data automatically....
In my form.load event, there is a bindingsource.fill event.After the .fill, there are two or three other lines of code that query the newly filled tablemanager. The code gets the number of total records and displays that number on the form.Here is the problem ....When the .fill statement is executed, control reverts to the form and any statement AFTER the .fill event is not executed.I have tried to stick the remaining lines of code into some other form event with little success. These three lines of code only need to run once.Does anyone have a suggestion as to where to stick these lines?
Private Sub SCDBEditWindow_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load 'TODO: This line of code loads data into the 'SCDBDataDataSet.StampCollection' table. You can move, or remove it, as needed.
[Code]...
Imports System.Data
Imports System.Data.OleDb
Public Class Form1
Dim con As OleDbConnection
Dim cmd As OleDbCommand
[CODE]...............
The insertion part of the form works great. But my problem is in the form load part......If i leave a field blank(Null),then perform Save operation,close the form after successful insertion and then reopen the form,then it retains the previous values during the form load......This is only in case where i leave a field blank in the previous data entry in the database.......But if i enter values in all fields then form load is working great.
How can I load a form and allow it to run it's code in the form load but keep it not visible. I want it to do what it needs to but but not display.
View 3 RepliesMy main form has two panels, left docked and right docked. The right side panel has two child panels with top dock and bottom dock settings. The usercontrol is added to the right side top panel. My usercontrol has a panel and a label. The panel is anchored on all 4 sides, the label is anchored on all except the bottom. At runtime I create this usercontrol and set it to dockstyle=fill and then I add it to my top right panel.
With everything set to "fill" I expect that when I add my usercontrol to the panel it will take on the appropriate width and height and pass that info to the child controls (labels) inside of my usercontrol. My problem is that this stretching of the size does not happen when I create my objects during the Load event on my usercontrol. Even though initializecomponent has ran for the usercontrol the panel inside of it (4 corners anchored) has not taken the x/y values of the available space. As a result my usercontrol shows up about 50% of the width I want.
[Code]...
i have coded as below but once the record deleted and when the application write to text file again it gives an error says index was outside the bounds of the array any solution?
Dim stream As New IO.StreamWriter("C:Documents and SettingsAdministratorDesktopBill PaymentBillPaymentRecords.txt", False)
stream.WriteLine("")
stream.Close()
I have a multiline textbox where I sometimes get the first and last line of data that is blank.
This is my code that populates the textbox:
txtOutput.Lines = lines.ToArray How can I remove these blank rows?
OK here is what it looks like when it saves
[Code]...
first why do I have a extra blank line between 2 lines of text
I have a mainform from which I display a second form with a few comboxes
[Code]...
remove blank lines from listbox?And remove specified text from listbox (text line that i can specify in form code(But if i specify to remove line something like [URL] it will remove the line [URL] but doesn't remove line [URL].
My code for adding items to listbox is:
Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
Dim PageElements As HtmlElementCollection = WebBrowser1.Document.GetElementsByTagName("img")
For Each CurElement As HtmlElement In PageElements
[code].....
Does anyone know if there is a command to remove extra whitespace (blank lines) when coding?
View 8 RepliesI use the following coding to replace a word in my textfile, would it be possible to add any coding that will remove all blank lines from the same text file?
Dim EditMyFile As String = IO.Path.Combine("D:Test.txt")
Dim inputFile = Regex.Replace(IO.File.ReadAllText(EditMyFile), "test", "test2")
IO.File.WriteAllText(EditMyFile, inputFile)
I have tried the following but it doesnt work.
Dim EditMyFile As String = IO.Path.Combine("D:Test.txt")
Dim inputFile = Regex.Replace(IO.File.ReadAllText(EditMyFile), "test", "test2")
IO.File.WriteAllText(EditMyFile, inputFile)
Dim sText As String = File.ReadAllText("D:Test.txt")
Dim sNewLines() As String = sText.Split(New Char() {ControlChars.Lf}, StringSplitOptions.RemoveEmptyEntries)
File.WriteAllLines("D:Test.txt", sNewLines)
I think we can just draw an image that resemble the grid using this article : drawing in a datagridview Currently creating a way to make the image drawn in tile mode. Each time I develop a datacentric application using VB.NET regardless of how much the data displayed in the datagrid, I always want the grid to display full row of empty data, not just blank panel. Can we achieve this using VB.NET design time property? And also, we must not trigger the display of vertical scrollbar this way..
View 1 RepliesI have a function that is reading a sequential file and storing it into an array by using the delimiters of
The first record appears correctly however, the second element in the array has two null lines at the beginning and at the end of the record. [code]...
I have a arraylist with plenty of lines. The array is populated from documents that have all kind of stuff in them, I got no control over what they contain. There's blank lines and double linebreaks so when I want everything in a textbox I clean it using this
[Code]...
I have a text file that I'm reading into a listbox. I want to skip a line if it's blank. The following code works if I leave out the check for the line being blank. It puts the file in the listbox with no errors. However, when I include the If statement that checks for the line being blank, I get an ArgumentNullException in the Items.Add line when It gets to the end of the file.
'Read Multiline File
Dim FILE_NAME As String = "C: empliz-etsy.txt"
'
If System.IO.File.Exists(FILE_NAME) = True Then
[Code].....
i have a listview box that lists working/bad proxys.
It all works but just found a bug with copying selected items from the listview.
Dim sb As New System.Text.StringBuilder
For Each item In ListView1.SelectedItems
sb.AppendLine(item.text)
Next
[Code].....
aside from the difference mentioned below, what are other difference the two events might have and how will affect the application as a whole? What is more preferred to use and why?
Form Load:
*Do stuff*
Form shows up on monitor
Form Shown:
Form shows up on monitor
*Do stuff*
I have two form in my application form1 and form2. Here, i want to show the form2 from form1 by using a button. And i want to reverse back to my form1 from form2 using same technique. But i want to close form1 (Not visible=false or hide) after loading form2 and same thing in reverse back also.
[code]...
how to load a picture box only and not the form and locate it near the tray icon.
View 1 Repliesload and unload form just like vb6 in vs 2005 using vb.net. I'm trying this code.
Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
Me.Close()
[Code]....
but when i click the button, nothing happened..
I was doing this [URL].. and i got the map to come up when i saved the notepad doc as a .HTML.I want it to come up on VB Form though, is it possible and how hard it would it be?
[Code]...
I have set my forms font as "Segoe UI, 14.25pt" and have just placed an single label on the form.
Upon placing the label by default it gets the forms font i.e Segoe UI, 14.25pt
i have placed the following code on the labels textchange event
Private Sub Label1_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Label1.TextChanged
Dim f As New Font(Me.Label1.Font, FontStyle.Italic)
Label1.Font = f
MessageBox.Show(Label1.Font.Name)
End Sub
Now when the form is loaded , i get a message box showing the labels font name as "Microsoft Sans Serif"
The labels font size also changes to 8 but it is italic.
Why is this happening? And why does the textchange event occur on the form load?
regarding the DataGridView Checkbox.. I have two Forms, The 1st one has a datagridview..but in order to load the data to form1 datagridview, i need to open another form w/c also has a datagridview w/checkboxes on it.. I need to select a data in the form2 datagridview w/the use of checkbox..when i select an item..then press the ok button, the checked checkbox with the info corresponds to the data i selected will appear in the form1 datagridview. I have done this and works fine, but when i select two data or when i checked two items on the form2 datagridview.. only one info is added on the form1 datagridview.. here is my
[Code]...
I added a few items in the combobox dropdown list at the form load event. [code] At the runtime I dont want to allow the user to write something in the combobox as a text.The user can only select an item from the dropdown list of the combobox.
View 13 RepliesThis is the code that i did to fetch data from the database and filling it to the combobox dropdown list at the form load event:
[Code]....
I've just debugged a program and it's revealed a rather strange problem:
If newWord.Contains(TextBox1.Text) Then
...
End If
The problem is if the User enters "" or does not enter a value into Textbox1, the If routine still runs. NewWord is always a string value of > 1 value. I'm sure this can't be right.
The load event goes through two different List(of T) in its own For Each loop. When the form is run for the first time, the first list is populated, the second one is not so the first loop runs but the second one does not. Then an integer that would normally be modified by the second loop remains at 2 and is assigned to a private variable integer, _handsRemaining.
Here is what it DOES. It runs through the first For Each loop and populates the appropriate field. It ignores the second loop because there are no weapon Class instances in that list. Then it goes wrong. It IGNORES the remaining lines (including the third MessageBox.Show) and somehow assigns a value of 0 to the private variable, _handsRemaining.
Private _handsRemaining As Integer
Private Sub Inventory_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
Dim hand As Integer = 2
[code]....
I need to detect shift + arrow key in blank form. But it's not working. I also tried overriding IsInputKey method but it only detects single key press (like arrow key) but when multiple key are pressed it simply doesn't work.
View 5 Replies