Sql Server - Check Whether A Customer Id Is Present Or Not?
Sep 8, 2011
I am making a booking system application for a sports club....In my sqlserver database I have two tables one is named as Memberships and the other is named as Bookings...Now what i want is to allow a new booking for only those customers who have a membership...In database i have joined both tables by cust_id attribute where Memberships table is parent and Bookings table is child....I want that when a new booking is tried then it should first check if the customer id is present in database or not..If it is present then the booking should be allow otherwise not...but my code either shows error first and then allows the booking Here is my code for this:
Dim i As Integer
Dim str2 As String ' defines string variable for taking select query
str2 = "select Memberships.cust_id, booking_date, booking_time, booking_duration, game, poolno, courtno, tableno from Bookings, Memberships where Memberships.cust_id = Bookings.cust_id"
[code]....
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Jun 4, 2011
im using a datagridview, and it is connected to ms access. every time i have an input same in the column where primary key is I already got an error. can you guys how to show a messagebox if the Customer Contact number is already in use? here is my code.
[Code]...
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Jan 26, 2012
I have a Check Box that the use checks to indicate that a specific situation is present. When the User checks the box he gets a Message Box reminding him that the condition must be fulfilled. This works fine and the database reflectthe fact that the Check Box is filled.
At a later date, if the user calls this record and fills the form, the Check Box is triggered and the message Box appears in the middle of the form fill operation.
Is there a way to prevent this from happening. I want the Check Box checked but don't want the message box if the change is triggered by the fill process.
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Dec 7, 2010
I want method which can check if microsoft office word spell checker is present. If version less than 2007 are there I check if ""C:Program FilesCommon FilesMicrosoftSharedProofMSSPELL3.DLL" this dll is present, but for officewe don't find this dllat this location. I'm looking for a method which will check for spell checker of the various version of Offices.
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Jun 15, 2009
But that same .exe blows up with this when I run it on their server
See the end of this message for details on invoking
just-in-time (JIT) debugging instead of this dialog box.
************** Exception Text **************
[code].....
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Jan 12, 2011
My Database field :
ID Name Age
1 Sumit 23
2 Manish 25
3 John 22
i have two textboxes and 1 button and label1 in my asp.net webform ...when i enter Sumit in textbox1 and 23 in textbox2 then it validates the database to check whether then value entered in textbox1 is present in Name column of database and 23 is present in Age column of database....then it redirect to ~.Default2.aspx else shows error message in label ...
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Oct 4, 2011
I have the following problem: I select a customer from a dropdownlist and then the gridview should load all items of all orders of that customer. I have the following query:
Dim allorders = From ord In db.Orders
Where ord.CustomerID = Convert.ToInt32(CustomerDropDownList.SelectedValue)
[CODE]..............
I also tried to modify the query as follows:
Dim orderitems = From oi In db.OrderItems
Where oi.OrderNumber = (From From ord In db.Orders
[CODE]...........
But this does not work. I just started using LINQ.
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Oct 5, 2011
A registeration sys using a Microsoft acres database I have a table named customer info to store customer details when registering and I need coding that will add the following to my table customer I'd , firstname, lastname , phonenumber and user also has to make selection between radio buttons male or female.
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Jan 5, 2010
I am trying to autocomplete customer surnames direct from the Customer Datatable, using the code below which I got from another thread, but nothing is happening.
[Code]...
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Oct 1, 2010
Ok I have a question about connection string in vb.net. Im using the string [Code] but here I am specifying the serverName by its name, now if I deploy my application and send it to another person to use it I see that server name is changing according to the name of the computer. Is there any way where by I can make my application to detect itself the Name of the server present in that computer and use it in connection string?
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Aug 20, 2009
I have a number of controls (Device1, Device2, etc.) that all inherit from BaseDeviceControl. In the DragEnter event handler I am trying to test for the correct type by using the BaseDevvceControl like this....
[Code]....
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Mar 4, 2010
Here is the code for the button click event;
Protected Sub CompetenciesButton_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles CompetenciesButton.Click
Dim con As String = WebConfigurationManager.ConnectionStrings("foo").ToString()
[code].....
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Oct 4, 2011
I want to check Server down with VB.net. but I don't understand about network please help me how to check server down with VB.net
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Apr 29, 2010
What is the efficient way to check if server is onlie? I used code to check one table in the server to see app can reach it or not. I do not think it is the best way.
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Jan 10, 2011
I'm running into an issue with my application. If the laptop is just turned on and a user opens the application, the application attempts to hit a SQL server to do some work. The issue is that sometimes the SQL Server process hasn't started yet (slow laptop).
What is the preferred method for checking if this is running.
Do I check for it like a normal process?
Do I attempt to make a connection via ADO.NET and catch the error?
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Jan 23, 2010
How can i check if the server is online or offline? I was thinking of using the Try and Catch method.
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Jan 23, 2009
I have a radio program.
I can play radio station in it. This is my question: How can I check for latest version on a FTP server?
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Nov 17, 2009
I have a database created and tables inserted into it. One of the tables is called UserLogin. It consists of two columns, BarcodeId and Technician. I have a barcode value, and what I am trying to do is check if any of the values in the BarcodeId column of this table is equal to the barcode that I have. Then when I get a match, I want to get the Technician that matches that BarcodeId and display the Technician in a text box.
I was using this code sample:
Private Sub HasRows(ByVal connection As SqlCeConnection)
Using connection
Dim command As SqlCeCommand = New SqlCeCommand( _
[Code]....
I'm not sure if I am on the rught track or not, when the code gets to the line connection.Open during debugging, nothing seems to happen.
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Apr 3, 2011
I have literally looked everywhere on the internet and i cannot find a way to check if a folder exists on an FTP server. I am using Visual Basic 2010 Express Edition.
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Jan 11, 2011
My app sends an email (see code snippet below) but I want to check first if the SMTP server is running in IIS7.
mySMTPClient.Host = "localhost"
mySMTPClient.DeliveryMethod = System.Net.Mail.SmtpDeliveryMethod.Network
mySMTPClient.Send(myMail)
results.Dispose()
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Feb 12, 2009
I have an automated program that batch prints PDF files to certain network printers. On occasion our print server will go down & screw up the automated printing process & lose prints. I am looking for a way to check the status of the print server before sending prints. If the status is not "OK" then I want to pause the automated process until the server is back to "normal". Can anyone tell me how I would check this status or where I should be looking?
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Mar 23, 2009
I want to check the connection of server path eg[ URL] whether exists or notI tried this System.IO.Directory.Exists("http://localhost/MyProject/ ")but it always return false.So does anybody know how to check it?
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Feb 8, 2011
How can I check if a file exists on a server? Let's supposed that I want to check if "[URL]" exists. How can I do that?
I tried to do this but it does not work:
Dim fso As New FileObject
If fso.FileExists("[URL]") Then
MsgBox("exists")
Else
MsgBox("File not found")
End If
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Jan 14, 2011
is anybody know how to make check MSSQL server status with port using VB.net? i'm newbie about this..
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Mar 26, 2010
<Visual Studio 2008(VB.Net) + SQL server 2005>
I have an application for HR and I am trying to give feedback to users on login window wheather it is connected network and database.
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Aug 15, 2011
using vb.net I need to access the regional settings on a remote server and check to see if they are en-gb
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Feb 10, 2011
how to check the server DateTime when the application launch. i want to make sure the user PC has the same DateTime as server when the user use the application. Reason being is some user may tend to change their DateTime backward and it causes a major confusion when it update in the server database. Below is my code....Both of the code giving problem and does not compare the date time to my pc datetime... how to check the the server datetime is same with the pc server time....
Public Sub GetServerDateTime()
Dim WMIScope As Management.ManagementScope
Dim WMIConnectionOptions As New Management.ConnectionOptions
[Code].....
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Nov 24, 2011
I need to check if a record exist in my sql server [code]...
I need to check if in "Br" exist a record for example "123098"
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Jun 21, 2010
How to Check whether the Exchange Server 2003 is installed on Target computer while making installer?
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Mar 19, 2010
I would like to check the free space of a server share (\servershare) Is this a simple task and how would I do it?I found the following for a mapped drive, but it does not seem to like server names.
Dim cdrive As System.IO.DriveInfo
cdrive = My.Computer.FileSystem.GetDriveInfo("C:")
MsgBox("Total free space: " & CStr(cdrive.TotalFreeSpace))
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