Update BD By Internet?
Mar 9, 2011
I have to develope a new aaplication, but I don't know where to start, or what is the best way to do that.
Before start the design of the APP, I would like to read your opinions.
My APP must do this (and should be made in Vb.Net):
- 7 comercial employes, will using a laptop in the outside of the company, and in offline mode, will using the applicatiom for registering some data.
- Some times (one per day), each local DB must "sincronyze" with the central BD.
- Not all tables will be sincronized, and the update is only in one way (laptop to server).
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Apr 15, 2009
I am writing a program which I need to auto-update itself from then internet, must be internet not intranet. My first thoughts were to use a FTP server and do it using that however I have a website and unlimited of pratically everything. My question is. Which way is best? and also How would I set about doing it?
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Nov 7, 2011
I have a small webbrowser but when I try to navigate to a certain webpages the webpage show a warning to force me to upgrade my webbrowser also internet explorer:"Upgrade your browser for a better Myspace experience.We recommend one of the following browsers to provide the best and most reliable experience on Myspace. Some features, like Profile 2.0 and MyspaceIM for Web, may not have full functionality in other browsers.select and install one of the browsers below."I already have internet explorer 9 installed in my computer also the webpage show the message:"Microsoft Internet Explorer Available for Windows Already using Internet Explorer 9? Please visit �Settings�, and select �f12 Developer Tools�. In this window, make sure "Browser Mode" is set to �Internet Explorer 9� and "Document Mode" is set to �Internet Explorer 9 standards�"
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Aug 10, 2010
What is the difference between vb.net application and asp.net application? How can I publish an ASP.Net application with database residing in the server and user could update that through internet?
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Jan 31, 2011
I've been looking for a way to do this for like two days now, and no luck.
What I want to do is get into the temporary internet files, find a certain file....
(^^^ I can do that just fine (using specialfolders, etc) ^^^)
and get the internet address associated with it.
See the attachment if you don't get my meaning.
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Oct 15, 2011
we have our system running but our system needs to be modified because we did something wrong...we are doing an "Internet monitoring System" in our school library where the user can only access the internet 1hr a day, and he/she cannot use the internet within that day if he couldn't buy a time on a serve...every students should only have 20hrs time usage per semester...our problem is every day their 20hrs is being reduced in 1hr.. the rule is the time per semester which is 20hrs that is given to the students was reduced 1hr only if he uses the internet..but our system is reducing their 1hr every day.
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Jul 3, 2009
I have a gridview in which when I click edit, update, and cancel button comes. I have a variable named status. If status=false then update should change to insert and if status=true then update should be update itself.
<asp:TemplateField >
<ItemTemplate>
<asp:LinkButton ID="lnkEdit" runat="server" CommandName="Edit" Text="Edit">
</asp:LinkButton>
[code].....
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Sep 5, 2010
We have two update panels on our webpage. Now first update panel is having button cancel. While second update panel is having a file upload control.Now if the user uploads a file that is going to upload in about 2 mins, and in between, say after 30 seconds the user clicks the cancel button, the upload taking place in update panel 2 should stop.
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Nov 15, 2011
update statement, i am trying to update a row within a access 2007 database here is my code.
[Code]...
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Apr 15, 2012
I am using vb.net with access database. I am using sql. How can i update database with the value 40'6"(Feet and inches values)
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Sep 28, 2009
I have an issue with a data base updating it won't update for me in debgging mode it is stopping here on this bit of code which is highlighted in red. the error which comes up is .(update requires a valid update command when passed datarow collection with modified rows.)
Public Sub UpdateDataSource(ByVal ChangedRows As database.dataset1)
Try
'The data source only needs to be updated if there are changes pending.
If (Not (ChangedRows) Is Nothing) Then
[CODE]...
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Feb 18, 2011
I am using an update panel and when I click a button it will update all the panels. updapanel1.update() is very simple, but my data is not updating unless I hit the button twice. My gridviews shows data for a selected user, and then all the grids reflect that users data. works fine all the update panels work for the gridviews. Now for somereason when i try to do a row count and update the panel with the summary, it does not work, i get either the previous users summary or if i hit update again for the same user i get the correct data.
[Code]...
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Jun 26, 2009
What is wrong with this code. It does not update the access database and no error.
Dim conn As New OleDbConnection
Dim sqlQRY As String = "SELECT * FROM StdMaster WHERE StuNo = " & txtStudentNo.Text & " ORDER BY StuNo"
[CODE]...
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Jul 21, 2010
I have a gridview that is set to a sql datasource, it is generating the columns automatically. If I add a column to the table it is referencing, it will draw that column and display it, but it does not update the insert/update commands to include the new column. Is there any way have it rebuild those commands automatically?
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May 25, 2010
I have been on a database project for a while now. I wanted to be able to make changes to my database using the update command of a Datagridview control.However, I have been faced with a series of unsuccessful outcomes.I want to do this how do I go about it?
[Code]...
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Dec 2, 2010
How to use this query to update record [code]....
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Nov 5, 2010
Public Sub UpdateStaff(ByVal sr As StaffRecord)
Dim oldSr As StaffRecord
Dim q = From staff In db.StaffRecords Where staff.Employee_Number = sr.Employee_Number Select staff
oldSr = q.First
oldSr.Address_Line1 = sr.Address_Line1
[Code]...
The helper function I have written seems to do everything I want apart from update the db. Stepping through the code, the oldSr is updated by the new sr parameter but no update on submit changes.
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Oct 16, 2011
I have an update panel that has a table in it with 4 images. Every few seconds a new image is shown. All this works but when the image changes the whole page is refreshed. I am using Visual Studio 2008 and VB.Net 3.5.I only want the images in the updatepanel to refresh. How can I do that?
UpdatePanel Code:
<asp:UpdatePanel runat="server" ID="upImgSwitch" UpdateMode="Always">
<ContentTemplate>
<table height="200px" width="100%" border="0" cellpadding="0" cellspacing="0">
<tr>
[Code]...
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Jun 12, 2011
Here's my code
Dim suppQuery As String = "SELECT [Supplier ID],[Company],[Last Name],[First Name],[Email Address],[Mobile Phone],[Office Phone],[Address],[City],[ZIP/Postal Code],[Notes] FROM [Suppliers]"
Dim dsSupp As New DataSet
Dim daSupp As New OleDbDataAdapter(suppQuery, cnPharma)
[CODE]...
It errors on the da.Update line and by the way if it helps, the text fields are a product of datarowview. that is when you select an item on the listbox the details of that appears on the text fields. and my goal is i could edit those text fields and save them.
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Apr 22, 2011
Objective to clear the datagrid view after updating. This should happen when the user clicks the OK button when the update is confirmed. Below is what i have.I currently have
Private Sub SaveToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles SaveToolStripMenuItem.Click
'This updates datsource
Try
[code]....
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May 27, 2010
[code]The query executes fine but the problem is that when this query executes, it doesn't update the percentage field. What might be the problem?
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Jan 27, 2010
We know:"UPDATE tt SET Points=" & iPoints & " WHERE Ref='" & sRef & "'"Can we update several records using UPDATE command at one time?
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Apr 7, 2011
Why is it sometimes when I update a data using da.update(ds), the data sometimes didn't update or change... for example i want to change the name or number n a record, sometimes there is no changes..
[Code]....
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May 29, 2009
I am completly flummoxed!!! I have writen code for updating my table from a form but when I use the same code only changing the table names it wont work I get the following message: "Update requires a valid Update Command when passed DataRow collection with modified rows" My codes are as follows:
[Code]...
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Oct 20, 2009
I have a button inside of a gridview's template field. Onclick i want to the button to open up a modal popup while force updating the updatepanel and formview inside the modal popup because the formview's datasource depends on a hidden field in which i am setting after click also.
[Code]...
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Feb 13, 2011
I am beginning to work with .NET technology after several years of VB6 and C++ and I want to learn as fast as possible.
My problem is with a DGV. It shows the prices of several store items, and I intend to let the user modify those prices by entering a % in a textbox (radio button states if that % is positive or negative) or by editing cell by cell manually.
As editing prices is kind of sensitive, what I do is loop through the DGV, add or substract the % engtered in the corresponding column and ask for a confirmation after whole DGV loop is done. If user agrees, DB is updated with new values. No problem here.
If user denies (in case he/she made a mistake), I restore grid's DataSource to a copy I made before calculating new percentages and this automatically refreshes my grid to its original state.
The issue is that if a user denies the operation for a 2nd time, this 2nd execution of the code fails at showing the original values, disabling the pseudo-rollback function.
Here is the code:
.
.
.
If MessageBox.Show(mensaje, "Actualizo", MessageBoxButtons.YesNo, MessageBoxIcon.Warning) = DialogResult.Yes Then
[Code]...
remember this works OK if user denis once. What am I missing regarding DataSources or its Tables? Is there anything like .Redraw?
Btw, I tried update, refresh and I also used a sleep function (this helped me a few times back in VB6...).
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Mar 23, 2012
I create table using sql developer
create table tablenodes
(
nodeNo int ,
nodeName varchar2(50),
centerX int ,
centerY int,
][Code]...
I have a problem in updating statements, can't write it correctly, every time I try to edit it, gives me different error (ora-01036 illegal variable name/number, missing expression, invalid identifier).
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Mar 21, 2011
In one sequence i want to update 4 tables.if one update fails i want to roll back all updations.Data should be in starting state.how i can do that in vb.net
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Feb 11, 2010
is there a way to update a database row with the update command by first defining all parameters and then all values just like you can in the insert command? "insert into table1 (parameter1,parameter2,....) values (value1, value2,....)"something like "set table1 (parameter1, parameter2) values (value1,value 2,...) where ...."?because I only know the syntax to define each parameters value "set table parameter1=value, parameter2=value2... where"
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Jun 4, 2009
I'm using the following update method.. I'd like to be able to update the value of a checkbox into the existing query if possible. how to do this the correct way?
Public Shared Function SaveMemo() As String
Dim sConnectionString As String = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:Documents and Settingsdiw07My DocumentsDaily Backupsphone memo backend.mdb"
[Code]....
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