Datagridview Shows Cutted Part
May 19, 2012
I'm trying to prepare my first program (database). I'm creating it just according to my knowledge so it's a little bit cr. [Code] when I'm choosing the value from CB1 then values in CB2 and CB3 are changing to the same value. then in all DGV is selected row with value chosen in CB1 (if present). CB2.Text = CB1.Text
Now I would like to copy the text from specific column of chosen row in DGV1 to TB1... but only part of the text. [Code] unfortunately when I make simple data-binding without cutting the text it shows me value from actual selected row but wen I'm using Microsoft.VisualBasic.Right it shows me the cutted part from previous choose.
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Nov 5, 2009
I have written code to show records in a datagridview but it shows nothing. I have tried to debug & when it step into GetData function following codes
Catch ex As Exception
returnData = Nothing
If connection.State = ConnectionState.Open Then
[code]....
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Nov 23, 2010
I need a clarification about using datagridview and query statement. i created a sql express database. In the project has been created a dataset with inside a table. In my form i used a datagridview and in automatic have been created BindingSource, TableAdapter, TableAdapterManager and BindingNavigator.
Till here everything is ok because i can add, delete and save members of the table.
Now i wanted to use another datagridview for a research but i don't understand what to use for do that.
procedure to search in a table using a new query?
I know that have been already done this kind of questions but i don't understant if using bindingsource, sqltableadapter, tableadapter ecc..
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Apr 16, 2010
I have a gridview in asp.net using vb 2005. on " Protected Overrides Sub Render"some of the data in the columns gets modified. when i do a view source.. and look at a column1's values it says 0010. in the render i am taking a value of ab0010 and turning it into the 0010 that is seen in the view source.. later on, there is a button_click event that goes through each line of the gridview and grabs some values. Here I'm doing a CType(gvr.FindControl("column1"), Label).Text the value is coming back as ab0010. so the question is.. the view source shows something different than what is in the viewstate?
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Apr 1, 2011
I have a DataGridView1 where I have 6 columns and 0 rows (they are added additionaly in the application) and also have a TextBox1. How can I calculate all data from the second column to the TextBox1? For example, I'll run the application and add rows, where the text in the second column will be: (4, 8, 9, 1)... it means 4 rows...
So how can I make the value of those numbers (22) show in the TextBox1, so that it will calculate the numbers and show the sum in the TextBox1?
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Sep 11, 2009
Ok I have a datagridview that shows a bunch of data through a Database. So I have the script connect to the database and I have a while loop going so that it keeps searching through the database to make sure it "publishes" all of the data in there. My problem is, it doesn't show the first set of data. For example: I have 2 columns, one header is Name, and the other is Y/N. The data in the database:
Jim, N
Alex, Y
Pat, N
George, Y
When I run the program, and it populates the datagridview, the first set of data is removed, so it only shows Alex, Pat, and George. Does anyone know why this happens? Does it perhaps have something to do with the column headers writing over the first set of data?
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Feb 5, 2011
when i select a cell in datagridviewbuttoncell the rectangle should show on the selectedcell in datagridview but instead it shows two columns further and rectangle also shows on the last add value in the datagridviewcell..how can i make all the values in datagridview shows rectangle instead of only one? [code]
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Apr 5, 2011
I don't know why it is not saved to the table. Here is my code.
Private Sub btnSave_Click(ByVal sender As System.Object, ByVal e As _
System.EventArgs) Handles btnSave.Click
Try
[Code]....
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Oct 20, 2011
How can I remove this particular part of the datagridview?
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Nov 28, 2010
I want to remove the highlighted part from the datagridview how to do
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Feb 22, 2011
im making an application in vb.net (duh!) anyway i have created and coded the whole project and it performs exactly as i want it to (i dont need code help). my problem lies with the fact that my project is 2-3 parts
1.a setup form that gathers inital data about the enviroment stores this data encrypted in a config file. after inital setup this form is not displayed again. but needs to be run on both computers
2. the second form is the real application form im in the process of turning this part in to a background service anyway this form is the one that establishes the connection between two nodes it works correctly
3. the config files
anyway here is my problem i want to make this application distributional with just one file the (.exe) and have this .exe make everything else happen. it runs the setup form and creates the first config file which it does then it needs to produce a copy of just the second form and the config file to transfer to workstation #2 that will run independtly without the whole application which i cant make happen then it needs to turn both workstations application on by only starting one on either computer and invoke the other computer to start its corrosponding app also no idea how to make this happen any ideas or suggestions as to where to look to try to find my answers.im thinking i might need to make two seperate applications (a setup app, and the running app) and include them both in a project and use the setup.exe to to package them together this is a little side project that im making for my self to use to make programming a little easier so i plan on giving it out to some fellow students to test and tell me what they think so im not really worried about ease of use or complicated procedures yet but if it turns out to work and actually be of use to anyone else i would be willing to rewrite it to distribute to the masses but for now i just want it to work for me.
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Jan 12, 2012
my requirement is that i have to count occurrence of a certain date and between two months
suppose i have 10-jan-2012 now i have a date range 1-jan-2012 between 1-feb-2013 my requirement is that if i find 10-jan between 1-jan-2012 between 1-feb-2013 irrespective of year i know that 10-jan will come twice between 1-jan-2012 between 1-feb-2013 i am not understanding how to do this.i meanto say that i have to compare only day and month part of the date which will solve my problem
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May 21, 2009
in my text file i have two part. Called bottom and top. So i need to read the Top part first then and match the line with bottom part. Its like this
[Code]...
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Sep 14, 2011
One number is represented with four hex values.First two hex parts are my "whole number" part, third and fouth hex numbers are my "decimal" part. I just wanted to store my complete number (whole and decimal) in an excel table.My problem is following when I am storing whole part and decimal part of my number separately, then it works fine am getting f.e. 3017 and 0,9445123 in my excel table, but when I am concatenate them, then I am getting following expression in my excel table f.e. 30,179,445,123 but I want 3017,9445123.
rx_str_buf(str_cnt) = CStr(Convert.ToInt64((Hex(rx_str_buf(Factor + 7)) & Hex(rx_str_buf(Factor + 8))), 16) +
(Convert.ToInt64((Hex(rx_str_buf(Factor + 9)) & Hex(rx_str_buf(Factor + 10))), 16) / 65536))
[code].....
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Nov 13, 2011
After my code runs for a while (i.e., 1+ hours), a picture box that was being displayed properly switches to showing a red X. The surrounding code still runs, but the image is not shown. I was intermittently having an out of memory error, but recent changes may have addressed this issue.The application is capturing a webcam image of an 8 x 16 grid which can hold different color balls. It displays the live image in picturebox1 (this works). I then grab a still from the live image, process it to see if there is a colored ball in each of the grid holes, and draw a representation of the image in picturebox2 using a grid of colored circles. As the live image changes, so does the drawn image. The drawn image is updated about 4 times a second. In each cycle I trigger a redraw of the image with a PictureBox2.Refresh.
Everything works great for a while (about an hour), but then picturebox2 gets the red X. The code keeps running without throwing an error. The live image still works.Recently I was getting an OutOfMemory error (again after an hour), but memory usage should not be growing in the code, and I have 8 GB installed. To address this issue I
1) forced Garbage Collection every 30 cycles (this does not seem to help, but I left this in the code.)
2) Inserted a Picturebox2.dispose before the Picturebox2.Refresh, but the Dispose took the picturebox off my form. I removed the .Dispose.
3) Moved declaration of variables out of loops to top of subroutines. (that seemed to get rid of the OutOfMemory problem.)
4) Inserted various try ... catch statements, but the code does not throw an error when redrawing the image, so this did not help.
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Dec 28, 2009
I have a DateTimePicker in my form. When I set a message box to force user not to chose a date grater than today two message boxes shows up one after another. Below is my code -
[code]...
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Jul 17, 2009
I have a select statement, the code i have selects the item numbers from table(OrderItems) that is filtered with a combo box.[code]...
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Nov 27, 2011
Public Class frmLargestSmallest
'Declare public variables
Public intInput As Integer
Public intArray(9) As Integer
[code]....
I am trying to make an application where the user inputs 10 numbers in an array. The application then displays the highest and lowest values of the array. My code so far just display zero as the result.
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Apr 13, 2012
I have created a com dll in Visual Studio 2010, vb.net. The dll is supposed to compile in the framework 3.5 for X86 processor. Should run anywhere right? I reference this from an Access application using vba. All works well on my development machine. I must also say that the project references an eBay sdk dll called ebay.service.dll. This file supports converting the .net commands into the appropriate soap commands to communicate with eBay.
All this works well on the development machine when compiled. The files in the bin/debug folder are eBayListing.dll, eBayListing.tlb, and eBay.Service.dll. I can reference eBayListing.dll from Access and everything works well on the development machine. On the laptop I registered the eBayListing.dll and eBayService.dll using the visual studio regasm at: C:WindowsMicrosoft.NETFrameworkv2.0.50727RegAsm.exe. Both files appear to register as I get the registered message from regasm. I run this as administrator.
When I try to set the reference from the Access application in the VBA references I can only see the reference to the file as it was on my development machine. I can tell because it has the path the the bindebug file. I don't see the version of the dll supposedly registered on the laptop. The file obviously isn't there so I browse to the file on the laptop that is theoretically registered, but get an error.
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Jul 15, 2011
I am trying to create a basic tracker where and person clicks on button1 to display the start time in textbox1, button2 displays the stop time in textbox2 and texbox3 displays the difference between stop / start time. Textbox3 keeps showing 00:00:00 and not the difference between textbox2 / textbox1. I am having difficultly getting the format for the final textbox. I have look at Elasped Time and Parse, but without sucess. I have displayed the code below -
Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
[Code]......
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Feb 4, 2009
I have a ToolTip on a TextBox control. When I hover the cursor over the TextBox the ToolTip appears as expected. But if the ToolTip disappears after it's AutoPopDelay time has expired or if I click on the TextBox while the ToolTip is still showing, then the ToolTip will not appear again when I hover the cursor over the TextBox. Is there any way to cause the ToolTip to reset so it shows up again?
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Oct 12, 2011
just wanna ask for a code that make the WebBrowser only shows a certain place or an area of the webPage, like only the Google bar.
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Dec 1, 2010
I want to add 150 days to the DateRegisteredDateTimePicker.Value and then shows it in a text box. But the system adding wrong ..item? Let me show you the output
txtDateExpired.Text = DateRegisteredDateTimePicker.Value.AddDays(150)
output:
current date is 12/01/2010 (this should read as Dec. 1st 2010) after adding 150 days, system shows 6/11/2010
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Jun 3, 2011
I have created setup file of my program. I have tried to install it there in two pcs to test it that its working properly or not. One pc has visual studio & my program worked there after being installed but another pc doesnt have visual studio & my program doesnt work there after being installed. It shows error message that "WindowsApplication1 WindowsAoolication has encountered a problem and needs to close. We are sorry for the in-converience." What does it mean? Does it mean it that I couldnt create setup file properly?
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Aug 16, 2011
I'm having a weird problem with a custom Web Control in an ASP.NET forms application. For a web application, I figured that it would save me a lot of time to create a class which inherits from CompositeControl which combines a label with some other control such as a TextBox or DropDownList. This composite control has several properties that wrap properties of the underlying properties (e.g.: EnteredText wraps TextBox.Text). The controls can be used for databinding in the same way as the regular ones, but instead of txtBox.Text = someObject.someProperty you use compositeControl.EnteredText = someObject.someProperty. These controls are then used on ASPX pages and ASCX user controls.
[Code].....
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Jan 15, 2010
I am having some bizarre issues with getting focus on the child objects of some user controls that I am developing.The base control, DatePanel, consist of three radio buttons, a textbox, a combobox, and a datetimepicker.Depending on which radio button is selected depends on which of the other controls are visible.The default state of the control has the textbox and combobox visible.When I test the control in the VS test container, I click in the textbox, the cursor appears but I cannot type, if I click in the textbox again then I can type.I have tested enough to figure out that if I click on any other control and then click on the textbox I can type.I have tried adding a gotfocus event for the user control to both Focus and Select the textbox and neither does anything.This user control is on several other user controls that are in development because I didn't catch the behave at the beginning.To make things a little stranger in one of the other controls, I found that if I set the tabindex of DatePanel A to 0 then I was able to type in the textbox after selecting it the first time, however if instead I click in the textbox of DatePanel B the cursor appears in that textbox but when I type the text appears in the textbox in DatePanel.
In terms of code on the DatePanel there are 6 properties and 3 events.The 6 properties return values of the fields on the DatePanel and the three events are for watching the state of the radio buttons.Other than that I did try adding the GotFocus event to no avail.I can provide any code that is needed but between myself and my colleagues we couldn't see anything that would have any influence over the control focus.
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Oct 29, 2009
How to create a dll file that show an msg ?
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May 3, 2009
[code]...
it shows up correcntly on the datagrid view though with the same code above expect the bit in bold changed. How would I get the data to show on the listbox?
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Dec 3, 2009
I have a windows forms application that I wrote in VB express 2008. when i debug / run the program on my desktop, everything works as intended. but when the program runs on any other computer, ALL the date boxes seem to move the digits in the box 1 space to the left[code]...
I have checked the settings on both computers (display settings, font settings, desktop settings) I've made both computers identical and still get the same result.
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Nov 23, 2010
So when my application starts i'd like form1 to be displayed for 5-7 seconds and then form2 shows. How do I do this?
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