DataGridView - Automate Process To Put Exact Time When Row Added
Jul 2, 2009
I have a data bound DataGridView. The final column of this is for the last change date to see how new the data is. I also have a hidden label on my form that has the current system time and date. I am wondering how do I take the date that is on the label and insert it into the column for the last change date on the datagridview when ever a new row is added. This way it automates the process of putting the exact time that row was added.
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Jan 4, 2010
I have been attempting to automate a process in a webbrowser control. When I attempt to fill out the form and submit, I get a false negative response (meaning all the data in the fields are correct but I am getting an incorrect response back from what I should be getting). I have determined that this problem is due to the fact that when I manually type out the data in the input fields a javascript is being fired. I know that you are able to invoke the javascript, but as I have no real knowledge about javascript and the script is rather complex I am stuck.
A temporary solution for me has been to use SendKeys, but this is no real solution at all. If the window loses focus, the entire process goes out the window. I cannot just use the .SetAttribute or .InnerText methods for the elements in the window.
I'm not sure if any of you are familiar with WatiN but I have used it recently while looking for other means to do what I need to do here. Watin works, but instead of allowing me to use an embedded browser object it shells new browser windows. Anyhow, with WatiN I am able to minimize or hide the browser window and the code will still execute. This leads me to believe that there is a way to simulate keypress events in a browser window while making sure that the specific element is the active element.
I have searched all over the internet for this (but am sure I overlooked a few things in frustration) and have yet to find a solution that works for me.
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Jan 2, 2010
Is there any software to automate the process of creating vb.net windows softwares or asp.net websites. As i am new i want it to be created automatically. Or can anyone create the project for me? I will give the details and upload the files (if Present). I got this thought when i asked the following question:
My boss has given me a task to create an asp.net website. The website should take some data through text fields, combobox, etc.. and then generate a report and graph. Before they used to store the information in an excel sheet and then generate a report and graph. He showed me the excel sheet and the reports and chart (in pdf). I don't know how to do it.
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Aug 23, 2009
Is there anyway to get the exact time. I know 'Now' Commands get the system time but the system time is not exact to real time, is there way of returning a value from a webpage, even using a webbrowser.
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Jul 26, 2011
We are currently changing our Antivirus program which involves uninstalling our current one first. That isn't a problem but we have several laptop users not in the building who might have a problem uninstalling programs.
It should be possible to write a script/program to automate the uninstall process I guess, but don't know where to start. Can someone point me in the right direction?
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Jun 18, 2012
i have a piece of code that i wanna know that in how many miliseconds it would be run.
Public Sub TurnLeft(ByVal speed As Single)
Dim timer As Single
If Not IsNothing(Me._DriveActor) Then
[code].....
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Mar 11, 2011
I am developing an application that is very very time critical. I want to put a log writer in the code so that i can track the events and find out where the application is wasting the time.But the problem is that vb.net tells the time only at a interval of 15.25 milliseconds what to do. although msdn documentation says that we can get the time in millisecond.
To understand my problem better pls go through the following code. this code is written on a click event of a button and it writes down the time in a log file. The problem is that it writes time like 16,16,16 and after some time when the dx value reaches to say 5000 it jumps to 31 and then to 46 and so on.
dx = 1
While dx <= 100000
dx = dx + 1
SRLog1.WriteLine("dx vALUE > " & CStr(dx) & " Ticks -> " + CStr(Now.Millisecond))
End While
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Feb 2, 2009
I am trying to automate a process I do with a bank with vb.net. Basically I need to open a website and navigate through it (Automatically through the program obviously), enter a batch ID and enter a file path and name. For some reason when I get to the part where I need to enter the file name and path, it simply will not populate the text. I have attached a word document with screenshots and code. The only difference I can see, is that in the bank website's code the the input type for the file text is "FILE" rather than "TEXT" as it is for the batch id...
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Jul 22, 2011
I am trying to calculate the exact amount of time in Years, Months and Days between 2 date values. I'm getting stuck on the day calculation. I've returned the # of months and it's value is 8.77. The .77 needs to be rounded to 8 which should give me the days. I'm not exactly sure what MATH function to use to do this.
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Jun 22, 2010
The idea with this form is to add the futures which is calculated when the button is pushed but I need the list to update every time and show the values each time to which the previous value is added to the new calculation, e.g. of what it should look like in listbox:
Year 1: $1,290.93
Year 2: $2,724.32
Year 3: $4,350.76
etc....
I have been working on this a while and I am at a standstill, I was given a function to clear the form everytime it calculates but I don't know how to implement it, I am new to VB. Here is what I have so far:
Public Class frmFutureValue
Private Sub btnCalculate_Click(ByVal sender As System.Object, _
ByVal e As System.EventArgs) Handles btnCalculate.Click
[code]....
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Aug 14, 2009
I am new to vb 2008, but I know how to automate some html elements. The issuse that I running into is that I cannot get my webbrowser1 to auto-click the "Gmail" button at the top left of the page or the "Show me my account" button on the righthand side of the webpage. Here is the webpage that I'm trying to auto click: url...Can someone please view the html source and give a code sample to click either button so that the page can then go on to the following page?
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Jul 25, 2011
I have a oracle database. I use the OracleDataAdapter(Oracle.DataAccess.dll) for select, update, insert, delete operations. I don't set any (table) locks on my own(I only start a transaction). I have a oracle table named "test" with the entry "test1".
Now my question: Can Person A read the entry "test1" while Person B is updating/deleting the entry at the exact same time? What happens in the worst case? An old match/empty match or can it cause any kind of exception/error(e.g. "TableLocked-Exception")?
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Jul 30, 2009
I'm adding controls to a TableLayoutPanel in the form myTableLayoutPanel.Controls.Add(someControl, 5, 5), inserting the control in column 5, row 5. After that line of code has executed, I expect that the ColumnStyles and RowStyles properties of myTableLayoutPanel will contain ColumStyles for columns 0 through 5, and RowStyles for rows 0 through 5. This is not the case. where and when RowStyles and ColumnStyles are added to these properties and the best way to deal with adding styles when inserting new Controls?
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Jun 22, 2010
I have a DataGridView which I AllowUserToAddRows behavior enabled. I want to be able to force that only one row be added at time, then if the user clicks the save button the row is inserted into the database, and then another row may be added if the insert was successful.
The reason I want to do this is to get the last inserted id and insert that information into another table.
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Apr 17, 2010
I can finally filter my DataGridView every time a checkbox is checked or unchecked. However, I do not need it to filter out all of the messages each time a row is added, so I just need to check the current message. The following sub's demonstrate how I am doing this.
Public Sub FilterAllMessages()
'Show all rows
For Each showBand As DataGridViewBand In MessagesDataGridView.Rows
If showBand.Visible = False Then showBand.Visible = True
Next
[Code] .....
Great, they both work as intended...but I believe I am losing out on efficiency with the way I have this. I have tried adding another public sub CheckMessage() to run through the row, pretty much doing what each long list of If/ElseIf checks does.
IN the FilterLastMessage() I just call CheckMessage(), and in the FilterAllMessages() I call it like this:
For Each band As DataGridViewBand In MessagesDataGridView.Rows
CheckMessage()
Next
This isn't working as it is unable to get the index for each message when I have it FilterAllMessages(). I'm just wondering about making the 2 sub's above more efficient so I can have it CheckMessage() just once, instead of it doing basically the same thing twice. Also, the messages all go on to a DataGridView, and this will be constantly writing messages to the window. After a while I would imagine that this will bog down the program, so I am wanting to keep the number of messages that are displayed < 2000. How is the most efficient way to achieve this?
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Aug 5, 2011
I have a form in which I add 9 labels in Run Time with .add method inside a panel. When I try to remove those labels in Run Time using For Each Loop, only 5 labels get removed. My code is given below.Code to Add Labels
While rs1.Read()
channelid = rs1("s_id")
Dim channelLabel As New Label[code].....
When i run the loop without .remove and .dispose it alerts .Text of all Lables present inside that Panel and With .remove and .dispose it does not remove all Lables and does not alert all .Text. In other words it misses 1 after 1.
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Jun 9, 2011
i am using vb.net 2005 and i want to know the event name for a listview that happens every time an item is added.
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Oct 23, 2008
I found that there was the Settings.Properties collection as well as the Settings.PropertyValues collection, and hopefully i'm not doing extra work here, but i'm creating both, and then assigning a value to the Settings(PropName).
Defaultly, in my "static" settings (through the IDE designer window and such) I have 9 settings/properties, and at run time when I'm processing, the Settings.Properties.Count doeos indeed equal 9.
Now, in the process of my application I generate some "saved" control properties myself, and actively "add" them to the Settings:
For Each prop As String In Me.Keys
Try
name = Layout & "." & _control.Name & "." & prop
[Code]....
This seems to work fine, and after the repetitive code (cycling through a collection) is finished, the Setting.Properties.Count does indeed equal 79, for the 70 new properties added.
I not only execute a My.Settings.Save() when the application exits, but I know I also have the SaveMySettingsOnExit set to true, but the next time i load up the app, my settings.properties.count is back to 9.
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Sep 1, 2010
Imports System.Data
Imports System.Data.SqlClient
Public Class CSS
Dim objConnection As New SqlConnection _
("Data Source=.SQLEXPRESS;AttachDbFilename='D:My Documentsvisual studio 2010ProjectsCSSCSSCShireySanitation.mdf';Integrated Security=True;Connect Timeout=30;User Instance=True")
[Code] .....
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Mar 13, 2012
I'm having a problem with a MySQL query for returning the "last visit" field in a table.Originally I had:select fname, lname, last_visit from patient where isactive = 1 and uid = 1Which worked perfectly in MySQL, but as soon as the query is executed by my ASP.NET app, it adds in the time field also to the date area. So 2011-12-12 becomes 12/12/2011 12:00:00 AMI tried this also, with no improvement:
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Apr 8, 2011
I want to ask a question about adding controls in design time (controls may be any win form control or a user control) and adding the control in run time.
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Sep 13, 2011
I have two datagridview's both are databound. First one shows items for sale and the second stores all the items that were sold. I am trying too transfer selected rows from one to the other but no matter what I keep getting told "Rows cannot be programmatically added to the DataGridView's rows collection when the control is data-bound."
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Feb 9, 2010
I need to move and set focus on a newly added datagridview row. My grid is sorted is descending order and will have the new row at the top. My code is currently highlighting the new row in blue, but focus will be on the bottom row, on the first cell.
[Code]...
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Feb 18, 2009
Hi how's it going. In the middle of coding a banking application for a project. Part of it involves mortgage interest repayments. Was wondering if there was any way of logging the time a new record was created and added to the database and then adding interest to the balance owed periodically every 30 days..
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Sep 9, 2009
In a VB.Net application, how can I either: Find the dropDownList selectedIndex position of something just added to a database.Have a form restart with the most recently-added entry showing in the DropDownList, by way of modifying the inline SQL query to display by date/time added
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May 1, 2012
I am working on a project for a class, and am having trouble getting my program to automatically calculate the subtotal every time an item is added to the shopping cart list. I've tried sub procedures and functions, but I can't seem to get it to work.
[Code]...
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Sep 9, 2011
I'm using the following code to add a new record to a table in the database. However, the DataGridviewthat's binded to the DataTable, isn't getting refreshed /updated.[code]...
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Sep 16, 2010
With this project, I created a SQL Server DB with related Dataset and DataTable a while ago with about 10 columnsWith the code below, I fill those columns with values in a new row and add to the datatableThe datatable is bound in a datagridview and all has worked fine until I tried to add a new column to the dataset/table. After adding the new column and rebinding the datagridview to the updated table, the DGV now shows the new column, but the data for that column fails to show up in the DGV.
Dim dt As Date = DateAndTime.Now
If My.Forms.DataGenerator.TextBox4.Text <> "" Then
My.Forms.DataGenerator.TextBox8.Text = dt
[code].....
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Jan 14, 2011
i am using a Datagridview on my form. It get's it's datasource from a dataset: grd.datasource=set_temp After that I add ComboboxColumns manually. At the end I loop columns and set values into that cells from the comboboxcolumns. Works perfect so far. Now I click on a header and the sorting is changed, and then the cells from the comboboxcolumns all lose their values, they are all empty.
Why and what do I do to avoid that? Or must i refill those manual Values after sorting?
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Jan 7, 2012
I had a functioning datagridview that was created from VB2010's datasource by clicking on a table, picking datagridview and dragging to a form. I changed three of the columns of the grid to comboboxes bound to different tables. If I change a value in a column (not a combobox column which still shows the value from the original table), I receive InvalidOperationException was unhandled on Me.TableAdapterManager.UpdateAll(Me.MasterDataDataSet). What code do I need to add if I change columns to comboboxes?
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