Update DataBase Using Impersonated User?
Jan 2, 2012
I have an application which need to interact with database and update it as required.Below i have 2 procedures AuthencateBufferLogin() - Used to impersonate the user (i.e., to work with other user, to perform some task
QueryDataBase() - Used to Query database i could able to copy files and create files as desired by using this Buffer login which has permissions in the destinated.
Note : permissions for other users were removed in these folders for security reasons
[Code]...
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Dec 26, 2011
Update user input into database? Public Class Form4[code]...
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May 24, 2012
My program connects to a Mysql Database. It allow registration and login. I Need this to update the "BankACCid" column(?) in Mysql for the current logged in user.This is the code that doesn't work
MySql Connection
Dim conn As MySqlConnection
conn = New MySqlConnection()
[code]....
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Nov 4, 2010
I've spent alot of time digging thru the forums to research this problem, and to get the right code. I'm wondering now if this is a system configuration problem, or something else with my code.
Firstly, i'll tell you that i've already put the service account on my machine local security policy that says 'allow to act with/as operating system'.
Running this code from an application, it works just fine:
[Code]...
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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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Jun 23, 2009
I am fresher in vb.net but I have experience in vb 6.0. But I want to connect database in sql server through sql connection. In that case how to create connection with window or sqlserver authintication mode and how to add or update new record in data base in batch transaction. Please help me with sample code.
So that I can understand eassily.
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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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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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Aug 7, 2009
Is there a way to make an update for your program that the 'user' can update the app without re installing the whole program?
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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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Apr 20, 2010
This program is very difficult for me, but I must get threw it or I cannot finish... What I am doing is making a Database of foreign Languages with the spelling of the words and the pronounciation inside the database... The USER enters a paragraph of words into the translator textbox and pushed translate. The program has a DATABANK of words with the phonetic spellings and matches the word, then translates to phonetics. The problem is that new words keep appearing inside the language. So I incorporated a Database of 2 fields
[Code]...
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Sep 25, 2009
writing user info such as user, computer name, date, and time to an acces database using a button click event. Then use a query to check if the user has accepted the aggreement. If the user has accepted the aggreement then call a vb.exe that display the aggrement. I have a login script that runs the vb.exe and uses a button click that records the user info to a csv file, but if the user has already agreed to the policies I do not want it run again.
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Jun 6, 2010
I created a dataset and i am using OleDbDataAdapter to insert new values to access database. But when i close the program and after open it, values are not in the database. How can i solve this problem? Also, i have another problem. When i write codes that
[Code]...
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Mar 3, 2010
I'm designing a PC-based app that has a little local database. I'm using VB.NET with SQL Server Compact Edition. The user will only ever have access to one database file, because it's all about storing a user specific data. However I'm thinking of the situation where there could be multiple users that access the PC, each with their own Windows account. So ideally I'd need separate database files for each User.
I'm not sure how to implement this. I was hoping to deploy the 'empty' database as a ClickOnce deployment, but I can't see how I can have a database per user doing this. Also I'm not sure where to store the database files anyway. perhaps in MyDocuments for each user? Or perhaps I need to stick to just one database, but add a 'User' column into every table, so it can hold data for every user. I didn't want to do this though - because I wanted to keep the nice separation between the data offered by physically separate files.
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Apr 18, 2012
I am designing an Windows application in Vb.net. When ever I run the application it needs to check the current time and remind me some tasks which I have defined. In what way can I do this.
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Jun 12, 2011
I have an application X version 1.0 in Visual Basic 2008 and forwarded through setup installed on a user's PC. In this application was in these settings:
Imports System
Imports MySql.Data.MySqlClient
Now you have a link to webshop and uses HttpWebRequest. There fore I added the following settings :
Imports System.Net
Imports System.Text
Imports System.IO
[code]....
Now I have application X version 2.0, Build with Visual Basic 2008 My question is how can I get the application X version 2.0 application on the user PC so that these settings will be available? This application X version 1.0 is for several months in use!
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Oct 3, 2010
I added a few radio button and 1 Panel in to form project.
radiobutton click :
Dim uc1 As New UserControl1
Panel1.Controls.Clear()
[code]....
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Aug 11, 2009
i want to update my inventory table in database from another database name. Example: In VB, i had a form named Orderform. User need to select e product that they want and key in the quantity. all these information are able to store inside my database named ORDERTAB. but now the problem is i wanted to update another field in my database named INVENTORY by minus the quantity tat the user had key previously. i totally had no idea how it going to works.
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Aug 7, 2011
does anyonne have a sample on how to update a local users account using directoryservices. (Winnt://)
need to update the following:
AccountExpirationDate
userAccountControl
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Dec 8, 2009
I'm writing a program in which I'll receive data using serial port using Comport.DataReceived event which I've written in seperate class. Once I receive data from my comport I need to display that data in my listbox in the form. What is the best way to do this?? I don have much knowledge on using delegates. An
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Feb 21, 2011
I am using asp.net membership and trying to update a users details but get the following error:
Error 2 Overload resolution failed because no accessible 'New' accepts this number of arguments.
Below is the full .vb code:
Partial Class FamilyAdmin_edit_user
Inherits System.Web.UI.Page
Private username As String
Dim user As MembershipUser
Private Sub Page_Load()
[Code] .....
Before I had:
Dim user As MembershipUser
And got the error:
Object reference not set to an instance of an object. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
Exception Details:
System.NullReferenceException: Object reference not set to an instance of an object.
Source Error:
Line 20: 'parameterless
constructor Line 21: Line 22: .....
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Aug 25, 2009
I have created a form that contains a DataGridView with data from a SQL Database. After viewing, the user will want to update checkbox fields in a single column of the DataGridView This action needs to update the SQL Database. I have set the "ReadOnly" to false on all the columns of the form and placed an "Edit" button on the form which changes the ReadOnly Property to True on the Column where changes would be allowed. How do I then set the binding to update the Sql with the changes made by the user?
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Apr 27, 2011
I'm trying to update a data user using vb.net2008 and sql server management studio express for my backend. the error says "must declare the scalar variable "@username" here's the code .[code]...
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Feb 25, 2010
basically i am doing a golf scoring project in vb.net express 2008 and im trying to update a specific row in the table depending on the user i am updating. however it doesnt work and the error message that appears says that there is a syntax error in the update statement but i have no idea where the error is. msgbox(sql) shows that all of the variables are what they should be so i dont think its that.
Imports System.Data.OleDb
Imports System.Console
Imports System.Data
[code]....
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Aug 27, 2009
Before performing an update, the application must search for that record in the database. Once it's found then it return to the Data access layer. Typicaly when i return rows i return them in a dataset. The i send it to the client to load on to the ListView Constrol or to textbooxes. therefore data was sent from the dataset object, therefore onces the user has made updates to the data, first i must update the dataset.
In the Data access layer i can write method that contains the command object for update DB and bind it with the current Dataset so that each time dataset updates it sychrinizes DB with it. Assume i have a method called update() in teh business layer that calls the updateDB in the DataAccess Layer, how can i call the Update() of the business layer each time the user updates the dataset?
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Jan 20, 2011
In vb.net I am using password protected database with following connection stringconnetionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:vaivaiDB.mdb;JetOLEDB:Database Password=secret;"Database access works fine on the development machine.
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May 29, 2009
I have created an access database which i want to search with vb.net, I tried a few thing but it didnt work as desired.
Firstly the program is suppose to display items in the database base on the criteria selected by the user. what i've succefssfully done so far is I've added a datagrid 2 combobox, 1 (searchcbo) with the columns in the database and the other (searchcbo1) will autoload the items under the column selected in and a button (searchbtn) but i have no clue of the code to put in the button. i also tried the fill method but that didnt work as i wanted to. ultimately i want a combobox with the list of columns and a textbox to enter criteria and of course a search button.
The searchbtn should act as the "WHERE" sql command, e.g. SELECT EmployeeNumber, Firstname, LastName, Phone, Location....etc FROM CallLog WHERE searchcbo.text = searchcbo1.text And display the results in the datagrid.
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
'TODO: This line of code loads data into the 'CallLogDataSet.CallLog' table. You can move, or remove it, as needed.
Me.CallLogTableAdapter.Fill(Me.CallLogDataSet.CallLog)
[CODE]....................
Attached image(s)
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Apr 23, 2009
I am building a simple form wicht allows the user to update the data on it.I use this
Imports System
Imports System.Data
Imports System.Data.OleDb[code].....
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Jul 5, 2010
I have repeater which shows a list of users and there roles. There is also a dropdown list to chnage there role see below
<td><asp:DropDownList ID="ddlChangeType" class="controlwidth100" runat="server" AutoPostBack="true" OnSelectedIndexChanged="change" /></td>
the change event works but what I need is the ID of the row so the user can be updated.
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