VS 2010 : DGV Formatting Lost On Form Load?
Feb 23, 2011
I have set up a form that will act as my parent (this hasnt been set up as an MDI).On this form I have a Panel that I will be loading forms into. I have a form that contains a DGV. On the load of the parent form, I then load this "child" form into the Panel. In the onLoad event of the "child" I go off to the database and populate my DGV. Then I run through the rows in the DGV and add in a logo image in the first column and change some cell colors based on values in those cells.
This all works great, however, when the child form finishes loading all the changes are lost. eg The logo images go back to the red cross and the cell coloring is gone.If I call Me.Refresh() in the child window as the last line in its Form_load event I can see the logo and cell colors update to what I want, but as soon as it has updated, its like it immediately refreshes again and all the changes are gone.
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Jun 7, 2011
I have some WORD files, which are formatted using bold, italic and colors etc. I want to copy entire content of word file into SQL Server table using Visual Basic.NET.I have a RichTextBox on my form and used datatype nvarchar(max) to store Unicode Hindi data. Everything is working fine... data insert and retrieve is OK, but formatting is GONE.
Below is the code to insert.
cmd.CommandText = "Update tbl_Camps SET CampName = '" & StrConv(Trim(txtCampName.Text), VbStrConv.ProperCase) & "', CampVenue = '" & StrConv(Trim(txtCampVenue.Text), VbStrConv.ProperCase) & "', CityID = '" & cboCity.SelectedValue & "', FromDate = '" & Format(dtpFromDate.Value.Date, "dd-MMM-yyyy") & "', ToDate = '" & Format(dtpToDate.Value.Date, "dd-MMM-yyyy") & "', LiveDVpkt = '" & txtDVpkt.Text & "', <strong>CampNotes = N'" & rtbCampNotes.Text & "'</strong> Where CampID = '" & frmMain.lblCampID.Text & "'"
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Jun 19, 2009
I have an APP that reads data from MS Access tables. It all works fine except that the numbers in Access table are formatted like 800001 so when the user puts "2" in the access table, it changes to 800002 and so on. I want to read the data AS THEY APPEAR in VB.Net but it reads them without the special format. So I get 1 or 2 etc.
I know how to format the data within VB but I don't want to hard code that as the format in MS Access might change. Is there anyway I can read the data format in MS Access ?
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Aug 11, 2009
i have a RTB in my application for notes. Ive put it in a panel with a toolstrip and buttons for bold, italic, underline etc.This works fine,
[Code]...
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Dec 23, 2009
[code] objExcelAppDataSheet is the excel application's object and strTemplatePath is the path of the excel file.This excel file is like a template that i am using in my application. In this file some cells are merged. After copying to the new sheet the formatting of the sheet does not remain same. Columns sizes are changing. Why this problems occurs? Is this MS office versions issue??
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Jan 23, 2011
I want to load a child form which is a login form by default when the parent form is loaded.Right now when I click new file on the toolbar of the parent form, then only the login form is loaded but i want it be loaded by default without clicking anything.
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Feb 26, 2012
I am after some code to load another form when the user closes the current form. I have tried this
[Code]...
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Aug 1, 2011
I have a code which when used, firstly application will run the Splash Screen application. Splash Screen will be active for several second, and then the main of application will show in full screen. Before the user use the application, user must Log in first. This works but the problem is that it loads the splash and login form twice. To worsen the situation, the second login form that appears gives access to the system even when the cancel button is clicked while the first login form just works fine. My codes for the three forms are as listed below:
[Code]...
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Dec 31, 2009
I have two forms. Form1 and Form2. The user is supposed to fill out some information in form2 which then will be used to compute some data in form1. However when I used the code, Form2.Show, within a function in form1, the form2 is diplayed but when the user fills the data and submits them using the ok button, the code does not return back to the function in Form1.
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Jul 21, 2010
During my project I have suddenly lost my form design, all the designer code is still there but when I try and view the design layout it gives me an error saying 'navigation to webpage has been cancelled', does anyone know how to get around this extremely annoying bug ??
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Apr 17, 2011
I have a form in design view and when the form loads, I want the TimeMaskedTextBox to show the time now. But allow the user to change the time for later time in the day.
Let's say the time now is: 09:00 and the user wishes to change time to: 22:00 and when the form is saved, And a new form is loaded then the TimeMaskedTextBox will go back to the time now. How would the code be written.
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Apr 30, 2011
so I have the following
Try
Dim username as String = My.Application.CommandLineArgs(0)
Dim password as String = My.Application.CommandLineArgs(1)
Catch
Msgbox("Cannot launch")
Application.Exit
Exit Sub
End Try
I placed this in the form's load event. What I want is for this check to run before the form even loads.If an error occurs, the msgbox comes up and the form is never seen. When I try the code now, the form comes up the msgbox shows. When the user clicks OK the form closes. I tried placing it in the form's designer but the designer tries loading the form any way. How do I get this check to run before the form shows?
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May 2, 2010
I am making the Transition to VB.Net (using VB.NET 2010 express) and I have a simple problem that is driving me crazy. I wish for my Form when it Loads, initialise and then call a sub and do some stuff eg perform a plot. If i place a button on the form and click it the sub works fine.This task was simple to do in VB6 but for the life of me I cannot get it to work in VB.NET. Has the Form-Load event changed in some way with .Net?
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Mar 6, 2012
I have a calculation project with 6 forms. The last form shows all the input and output data from the previous forms. This is accomplished in form6 load event. Form6 contains about 40 controls (mostly textboxes, labels and few pictureboxes), populated in this way:Textbox1.Text = Form2.Textbox3.Text, etc.I am not sure if this is a good practice. I know I can use the DGV, but it does not suit me because of the graphical reasons.
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Jun 12, 2012
I have an app where there's an edit form and it loads a bunch of stuff into comboboxes which takes half a minute to load the first time. Once it's loaded I keep the instance of the form and just hide it instead of disposing it until the app exits. What I would like to do is in the Sub Main of the app (there is no startup form) I would like to launch a new thread and load that form into memory, but I don't want the form to be displayed at that time, what's the best way to do this?
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Aug 18, 2011
I must be loosing my mind! I came back to working on a small project after not being able to work on it for some time and now the IDE layout is totally different. For instance, there used to be a toolbar that showed a run button, step into, step over and such but now its not there, and, for the life of me I can't find it! I went to reseting the layout options to default, VB and so forth but cannot find it. In addition, when I hit F5 nothing happens. I can't figure out how to run my project from the IDE. Have I lost my mind or what?
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Feb 25, 2012
What I was thinking of is load a webbrowser window somewhere in the form, but within the webbrowser size, by default, load only say the Half left (or right) part of the webbrowser window. In pseudocode it would be smth like webbrowser1.show(1*webbrowserWindow.Height, 0.5*webbrowserWindow.Width, webbrowserWindow.With.StartFromLeft/Right). Now I know it sounds pretty crazy, but it would be smth very handful for me. Look at the SS below if you didn't get what I'm trying to say because that's quite possibly as clear as I can be.
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Dec 29, 2011
I wanted to select the row the user was last working on in the datagridview. So I created a setting to contain the row index. But then I had trouble using the form load event to select that row in my datagridview. It would always select the first row. I then moved the code into the DataBindingComplete event and it worked like a charm Example:
Private Sub dgvTaskList_DataBindingComplete(sender As Object, e As System.Windows.Forms.DataGridViewBindingCompleteEventArgs) Handles dgvTaskList.DataBindingComplete
[code]....
PS, if you want to select the full row, make sure the DataGridView Selection Mode property is set to FullRowSelect.
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Jun 10, 2010
I have a project in MS Visual Studio 2008 - VB.NET. I have opened and closed my project which consists of two forms multiple times.Today when I open my project I cannot find one of my forms in designer mode.If I run my application the form displays correctly but I cannot view in designer mode to make changes.
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Feb 10, 2011
I have a very large program I would like to write but think starting with a smaller test program would be a good idea. What I want to know is: I have a base Form from which a user clicks a button to answer a question (Answer A, B, C, or D) which if the answer is correct will pop up a "Correct! answer response in a separate window. This is ok for now, however, when the "proceed to next question" button is clicked, I would like the next question to appear in the original base form window.
Right now it pops up in a separate window and I'd rather not have 20 windows open at the end of the quiz. How do I load the next form in the same window!? Obviously it's possible and could be something I'm completely overlooking, and I've also read that I could replace all data with the next Form. I have searched "Visual Basic load form in same window" and came up with results, but none of what I'm looking for.
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Jun 15, 2012
I have created a form in vb.net.Suddenly I lost three textboxes from the design view of the form.Can recover my original form?
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Jul 27, 2009
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.
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Jun 18, 2012
from yesterday night i have done a part of my practical and i saved to my pendrive... the folder name as <Chapter 3>and today i went to college computer lab continue to finish another part and i also saved to my pendrive, since i open the .sln file from pendrive.and i go rename those folder names and .sln name and others possible to rename as <Practical 3>when i back home want continue to do, the folder is still exist but inside folder's files are lost.
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Feb 12, 2011
Got a new one...
Private Sub Form3_KeyDown(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles MyBase.KeyDown
e.SuppressKeyPress = True 'makes it quit dinging when press enter
[code].....
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Feb 8, 2012
i just got visual studio pro 2 days ago and every time i create a project, close VS 2010 and when i come back to work on my project and i click on my Form.vb i got every time : Visual Studio has stopped working.Then i tried run as administrator it doesn't work. What i don't understand it's when i click on show code the form load but the moment i click on it ,it just crashing and it's make me wanna drop laptop cascade...I've look on forum and post here but i haven't saw what i was searching.Here the error that VS show me :(Those files doesn't exist i search)
Files that help describe the problem:
C:UsersUsagerAppDataLocalTempWER152.tmp.WERInternalMetadata.xml
C:UsersUsagerAppDataLocalTempWER18C9.tmp.appcompat.txt
C:UsersUsagerAppDataLocalTempWER3520.tmp.hdmp
[code]....
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Feb 25, 2012
I created a windows form which contains a datagridview. I named one of the columns in the grid 'location' which appears to have generated an error. The problem is I cannot load the form to remove the column as an error is generated and when I load the designer code it says do not modify with the code editor but use the windows form designer.
[Code]...
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Oct 16, 2011
This is the strangest thing, I can not figure out why this is happening. When I delete a radio button from my form which is used to filter data in a database Form_Load stops working.My project consists of a database and a web browser. The database has a search filter options.[code]For some reason it didnt load my settings on start up. I made a button which displayed True/False in a text box to check if it was saved in my settings, it was, it just didnt want to load. So I deleted it and everything broke! Nothing in the code is referenced to the RadioButton or its code.
Have I done something wrong or is VB just messing with me? There is obviously a bunch of more code, I just posted what I think is relevant to the issue. If you feel something is missing, tell me and Ill post it. ied to change the RadioButton with a CheckBox, and I changed the code from "Me.ExampleTableAdapter.FilterHide..." to "Me.Example TableAdapter. Fill...", which is the same as in Form_Load. It works if it starts checked. If I remove this code or delete the CheckBox nothing works even though the same code is in Form_Load. If I start off with the CheckBox in an Unchecked state nothing loads, if I check it everything except the Browser works for some reason.
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Jan 3, 2012
I am doing project in vb.net.When i click on button open I opened form with no control box(minimize,maximize etc).set borderStyle to FixedToolWindow.I want to change the opacity of form on got focus & lost focus event..I also used activated & deactivated event but doesnt working[code]...
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Dec 2, 2009
I have created an app which has a timer control which, when activated and meets a certain criteria, launches a second form with an alert for the user to review and action. this works just fine. Except.... when the main app is minimised and has lost focus, instead of launching the second form to a normal windows state it opens and sits in a minimized state itself and just flashes. How can I get the the second form to restore to a normal windows state?I have tried form2.focus and tried the windowsstate=normal etc but I'm still barking up the wrong tree.
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Aug 17, 2010
In VB 2010 after working on a form in design mode which has a menustrip and the form is taller than the IDE [Design] window and not returning to the top of the window before running in debug mode, the menu is eliminated from the menubar on the running form when the controlbox is set to False for the form and I could not access the menu.After returning to design mode and scrolling to the top of the form and running debug, the menu returned.Is this a bug in the IDE or what?
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