Check If Current ID Exits In That Table Or Not?
Sep 22, 2009
I am using VB.net and Sql server 2005.
I have GridView in Application where I have my CPUserID. There can be thousands records in GridView with different CPUserIDs.
Now I have a button "Allocate Token". But before allocating the token I want to check in my Token Table that if that CPUserID has already exists in table it should not allow user to allocate token and will return some message for that user.
For Each curRow As GridViewRow In GridView1.Rows
Dim cpuserid As Label = CType(curRow.Cells(1).FindControl("lblCPUserID"), Label)
Next
[Code].....
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Apr 9, 2010
Details: I want to compare these above two table1 and 2 . The unmatched records should be save in a new table .
objectives
1 Should take input the table and fields we want to match each other.
2 Then after searching or reading the record from table and selected fields save the unmatch records in a new table
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Mar 18, 2009
how to check if current row is new row in datatable?i'm trying to have some fields non-updataeble but can be inserted when it is a new record.
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Dec 21, 2009
I have created a control and have some code in constructor. This code should only run when application is running, but it also runs when i load form. Can I have some check if application is running or not?Faisal Saleem (Software Engineer)
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Jul 28, 2011
I am working for application register form and I would like to know when the user opens the register form I need to check if the current date is true or not and when the user tries to change the system date he should pop up message.So I would like to refresh the form for every second and find whether he has changed the date or not. How do I do that?
Here is my code:
btnRegister.Enabled = False
Dim oReg As Microsoft.Win32.RegistryKey
oReg = Microsoft.Win32.Registry.CurrentUser.OpenSubKey("Software", True)
[Code]....
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Jun 2, 2010
I would need a function that would check the current date and in the end return the date of Monday this week. So say we have 02/06/10 today so I'd like that date or rather week_starting function to show 01/06/10 for the whole week. The formatting isn't important.
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Jun 22, 2012
How can i check the system date format? Tried with the code below, but when i change my system's date format to another date format to test the code, it's still showing the date format before changed!
System.Globalization.CultureInfo.CurrentCulture.DateTimeFormat.ShortDatePattern()
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Jan 4, 2011
I have a function that gets information off a webpage and adds it to a datagridview that has a few columns.
Is there a way to make sure the item im about to add is not within the datagridview recordset already?
i tried this but it didnt work
If DataGridView1.Rows.Contains(element.GetAttribute("data-id")) = False Then
End If
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Dec 12, 2011
How can I write a loop to run for each day in the current month and then check to see if the Dataset has a record that matches one of those days and take an action?
For Day As Integer = 1 To DaysInTheMonth
For Each row In MyRows
If row.Date.Day = Day Then[code]....
This generates too many rows in the table I have it building. Basically, every day gets as many rows as there are that contain data.I'm building a HTML table that gets mapped into a chart using jquery so I need a for everyday of the month.
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Jun 19, 2012
I was working on a scenario where I have to add header to the Response Header.
I added a Response Header like this:- HttpContext.Current.Response.AddHeader("key1", "value1")
After some functional flow I required to add value to same "key1": HttpContext.Current.Reponse.AddHeader("key1, "value2")
thus value in Response Headers look like this:- key1 : value1, value2
I want to avoid the value2 addition to the same keyword key1.
I tried:-
If HttpContext.Current.Response.Headers("key1") Then
HttpContext.Current.Reponse.AddHeader("key1, "value2")
EndIf
But I got the error: This operation requires IIS integrated pipeline mode at HttpContext.Current.Response.Headers("key1")
I have IIS6 running. This [URL] says that it doestn't works if its not IIS7
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Jan 11, 2011
Is there a way to have a form event check the version of say Adobe Flash/Shockwave/Reader on the PC and then check what's available on the web?
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Sep 1, 2009
I've been looking around for a way to check if the current user has Administrator rights but the information seems to be quite disperse and not exactly
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Jun 1, 2012
If DateTimePicker1.Value.Year <= DateTimePicker2.Value.Year Then 'dtp2 = expiry date
If DateTimePicker1.Value.Month <= DateTimePicker2.Value.Month Then
MsgBox("Expiry Date Correct!")
Else
MsgBox("Expiry Date incorrect!")
End If
End If
How would I get it to check the date? Datetimepicker1 is the current date, while Datetimepicker2 is the expiry date.
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Aug 1, 2009
I have a datagridview and sql table.
I can previw data from sql using my vb.net app this way...
me.textbox1.text = form1.datagridview1.currentrow.cells("columnname").value.tostring
how to insert data into sql table like this....
Variable.CommandText = "insert into table (column) VALUES ('" & TextBox2.Text & "')"
But it inserts data into another row, i want to insert data to the next column of the current row i chose from datagridview...??
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Sep 12, 2010
i realise that currently there is not built-in class for the checking of the current user folder in visual basic .net. anyone can advised the workaround for this. E.g. if user123 login to the machine, the code will return "c:useruser123"
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Mar 16, 2012
Using the following code, a user inputs a date into a textbox control and then clicks a button. A new record is created in table [rms_Report] and then I retrieve the ID of the record that was just added. I pass this ID onto page "CreateReport.aspx" via a response.redirect and query string.
I need to retrieve the UserId of the currently logged in user and insert it into table [rms_Report]. I need this to occur after the new record is inserted, but obviously before the response.redirect. I know how to retrieve the UserId, but I'm not sure how to incorporate into the other code.
ASPX
<asp:SqlDataSource ID="ReportDataSource" runat="server"
OnInserted="ReportDataSource_Inserted"
ConflictDetection="CompareAllValues"
[Code].....
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Jun 7, 2010
I'm using the Details View control of VWD asp.net 2008
I have a users database table. One of the columns contain the "uniqueidentifier" user's profile ID, created by VWD (from the automatic profiles table).
From my table, I would like to select only the data pertaining to the logged in user.
How do I get the current unique user profileID in general and then how do I use that for my query?
In the configure data source option of the control, I select the check box for "Return Only Unique IDs" and the WHERE option. In this new window I select the Column to the profile userID ... "=" and then assumed I should select Source: "Profile".
Now what should the parameter properties or value be to select only the current logged userID?
OR how can I do this just in C#? There doesn't seem to be any code behind after instering a DB with the VWD controls?
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Aug 5, 2010
I want to allow my user to add urls to a database, much as a user might add file names. I have a form with a label, a textbox, and a browse button. I would like the browse button to load the user's default browser and then have the final url appear in the textbox when the browser closes. I have not been able to do that, but I have come close. I have not found a way to capture the url from an arbitray browser, so I instead load ie.exe and then capture the url with an OnQuit handler. That works (even verified by the debugger) but I am unable to get the url to appear in the textbox without actually clicking in the textbox once ie closes. I would like a suggestion as to how to avoid making my user click in the textbox and, if possible, to load the user's default browser and still capture the url. Here is my code for the Browse button (IE is defined at the class level as Dim WithEvents IE As SHDocVw.InternetExplorer):
theURL = ""
IE = New SHDocVw.InternetExplorer
AddHandler IE.OnQuit, AddressOf HandleIEQuit
[code].....
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Jan 2, 2012
I have been using the 'findby' method for sometime, but now it suddenly is failing me on a new data source I have added to the project. I have the data source bound to a form and I am trying to find values based upon a primary key. This evades me, I am able to look up rows using 'findby' with other tables, but not this one.
Dim AnsiX12Row As ansisupplementDataSet.ANSIX12Row = Me.AnsisupplementDataSet.ANSIX12.FindBySegmentElement(CurColName)
If AnsiX12Row IsNot Nothing Then
[Code].....
I have checked and re-checked, the CurColName is for a value in the table, but cant seem to find it... I always have AnsiX12Row = nothingBradford W Brown
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May 14, 2010
I have just converting my VB6 project to VB.NET 2008. I have set up start with Model. It start with Main() sub, in Main sub I have declare as below:
Dim frm as new Formpwd
frm.show()
In formpwd I have UserId, PWD as test box and Two command buttons. The system executes form_load code and then PWD and UserId_Gotfoucus handler and then closes the system. Why is not waiting to accept UserId and PWD?
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Nov 1, 2009
I've made an application in Visual Basics, But I Want A msgbox to appear when the form is closed would this work?
Private Sub Form1_OnExit(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.OnExit
MsgBox("Have You Saved, If Not Your Work WILL Be Discarded!", MsgBoxStyle.Critical, "Have You Saved?")
End Sub
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Mar 16, 2012
I created a game in visual basic. When the user answers correctly, a message box will appear and ask if they would like to play again. How would I get the program to exit when they push "No" . . .
Public Class Form1
Dim temp As String
Private Sub RadioButton7_CheckedChanged(ByVal sender As System.Object, ByVal e As
[Code]....
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Jul 23, 2009
I need to preserve a collection even after application exits. In ASP if i use application object this can be acheived. But in windows application what could i do to preserve collections?
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Jun 13, 2011
Im working on a silverlight application where a user can create, edit, delete objects. The changes they make are placed in a queue which is processed every 4 minutes. When it is processed, the updates are sent over an async web method call to be saved in a sql database, one at a time. When the first update finishes, the next starts.Im having a problem when a user makes a change and then exits the browser app before the 4 minute timer has expired.Currently the changes are getting lost.Ive built on what the guy working on this before me has done, and explored the Dispose and Finalize methods, trying to start the update process when the factory is being shut down, but that isnt working due to the async nature of the web service calls. I get errors saying needed objects have already been disposed of.
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Dec 15, 2010
I have developed a vb.net application which gets a folder as input with n number of .txt.When there are say 5 .txt files the application executes and produces the excel output.When there a n numpber of .txt files say 30, the application takes a long time and exits without producing the output.
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Sep 20, 2009
I had originally saved the project I was working on to my desktop, but now I have moved the folder to another location on my hard drive (didn't want it on my desktop anymore).
But since I've moved it I get the message:
The working directory does not exist: 'C:old folder locationResources'.
Is there a simple way to update my project to the new folder location?
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Nov 23, 2011
I'm running a bunch of automated tasks in a thread I'm creating via the Thread class. So I'm not using a BackgroundWorker.
During parts of the automation, the thread may exit. This is normal. But when the thread completes, I need to finish up some additional tasks. I can anticipate all of the conditions in which the thread closes, but I'd rather not to do the final tasks at each point, as this will create a lot of redundant code.
So instead, I wanted to write an event that is triggered when the thread exits. I looked through the Thread class, but all I could find was the ThreadState property, which has a Stopped property. But, when I try to add a handler to that property, it doesn't allow me.
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Jun 11, 2012
For some reason, the next code found on MSDN crashes or exits after 30 cycles or, in other words, after processing 30th Property, exits without explanation. As I said, I found it in MSDN
[Code]...
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Jan 12, 2012
How do I check if a table has contents? Honestly I still don't have any initial codes for it. Do I code it in VB or just use a query?
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Jun 22, 2011
i want to insert the data into the table only if the table is empty, so for that i need to check the condition to check whether data already exists in the table, if present then i want to empty the table before inserting the the fresh value.
i know how to insert and delete the data only prob is to check the condition. so please can any help me out in this.
TO INSERT
Dim comUserSelect As OleDbCommand
myDateTime(i) = DateTime.Parse(arr_dateTime(i))
' Console.WriteLine(r("P1"))
[Code].....
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