Working With CSV Field In SQL Server
Jan 19, 2011
I am working on an application that pulls a field from a SQL Server table that has numeric values separated by commas, for example (1, 3, 4, 6). I need to load this field and somehow load it into a numeric array. However, I can't seem to come up with a good solution. Here is what I have tried:
Dim PagetoSign as Integer()
PageArray = Split(_DataRowView("PagestoSign"), ",")
Dim _PagetoSign As String = ""
[Code]....
However, I receive an error message when it enters the for each loop. I'm not married to this method if there is a more elegant way.
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Nov 11, 2011
I have a textbox and a label, on the label it shows the current price and it in the text box im allowing the user to enter a price aslong as its higher then the current price,once they have entered there relevant bid and clicked the button "Bid" i wont to automatically show them the new bid and show a relevant message saying "Congratulations your the highest bidder" or something along them lines...
Can some one point me or tell what i should use to calculate the current bid value and the value they enter add them together and show the new amount?Just for additional information they can bid as little as 1p as long as it increases the current value....
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Dec 7, 2009
I am writing a program which allows me to log in to my favorite forum, and displays me my fav. threads, and automatically refreshes current thread every 30 seconds or so.For this, I first need to login to the forum page. Fortunately, the forum allows to login during posting a new message, and it's a public forum so browsing threads is possible without login. Therefore I can directly jump to the "edit article" page without login, fill in login information and write the post, and then send it altogether. Here is an example link for that:
[URL]
Here comes my problem. I have searched for autofilling values and my code is like this:
Dim mydoc As HtmlDocument = sender.Document
Dim mynickname As HtmlElementCollection = mydoc.Forms("f").GetElementsByTagName("input").GetElementsByName("nickname")
Dim mypass As HtmlElementCollection = mydoc.Forms("f").GetElementsByTagName("input").GetElementsByName("pass")
If mypass.Count > 0 Then
[code]....
I guess it doesn't set the value attribute, at least during debugging the 'outerHTML' property stays like this:
"<INPUT class=form_input type=password value="" name=pass>"
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Jun 15, 2011
Possible Duplicate: Retrieve identity value from inserted record's primary key.I have a field with a unique field (that I don't have to update automatically) called ID. I'm using this code to add a field to it:
DB.Snippets.AddSnippetsRow(10, 0, Leaves, Coins, Date.Now, Language, Username, Description)
What I need to be able to do is get the unique field it adds. It +1's to ID every time I add a field there, but how do I get that without hacky database looping?
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May 11, 2009
I know how to insert a new row into a table that has a binary column. But is there any way to update the binary column once that row has been added? So far an exhaustive google search has turned up nothing. Get the current row that I wish to update delete the row that I wish to update Create a new row with the information from the row I wish to update plus the new binary It just doesnt seem very elegant, and I was hoping I could do the same thing with an update statement. Here is the updated code I am using now for reference
[Code]...
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Sep 15, 2010
I have a column in a table that contains a message and I want this message to be displayed in a label. Here is my code which currently doesn't populate the label.
Protected conString As String = ConfigurationManager.AppSettings("sqldirectory")
Dim cnn As New SqlConnection(conString)
Dim cmd As New SqlCommand("select message from [database].[dbo].[table]")
[Code]....
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Feb 18, 2011
I am calling a Java-script function, in that i am passing the value of hidden field, that hidden field i want to use at server-side, but the value of hidden field is null.[code]...
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May 5, 2009
I am Delphi programmer and I am new in .Net VB code to get text from sql server image field to StringCollection, in Delphi I use code:
MemoryStream := TMemoryStream.Create;
BlobStream := SomeQuery.CreateBlobStream(SomeQuery.FieldByName('MY IMAGE FIELD NAME'),bmReadWrite) as TBlobStream;
BlobStream.Position:=0;
MemoryStream.LoadFromStream(BlobStream);
[Code]...
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Aug 12, 2011
I am not sure if this should be in the SQL or vb.net section.But, Basically I have a vb.net application from where I insert a datetime field into the SQL Server Database. Now for some reason the SQL server field(which is datetime) will not display AM/PM, I have referred this link where my code looks like this:
Dim dateToDisplay As DateTime = DateTime.Now dsNewRow.Item("date_created") = dateToDisplay.ToString("MM.dd.yyyy hh:mm:ss tt")
I tried stepping into the code by debugging and it seems to be inserting the PM but is not displayed in the table QuotedateToDisplay#8/12/2011 6:01:06 PM#Date
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Oct 13, 2010
I use a VARBINARY(MAX) column, because I have no idea what is going to be put into it. All I know is that as of this point in time, the data will be one of many traditional data types(Integer, String, DateTime, etc.)I also have another column that is meant to indicate the DataType so the .NET application can handle the data and validate input accordingly.Right now, for testing, I have a DataType table in my database that stores the "supported" datatypes for the VARBINARY column, and a foreign key linking to the column meant to indicate the DataType. This works perfectly, but it feels akward.
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Feb 27, 2012
I am developing an inventory system and I have developed the following function to convert between cartons and pieces.
Public Function convertQTY(ByVal units_case As Integer, ByVal quantity As QTY) As QTY
While quantity.pieces < 0 And quantity.cartons > 0
If quantity.pieces < 0 And quantity.cartons > 0 Then
[Code]....
For example if units/pieces per carton is 144 then the above code converts the pieces into cartons if the number exceeds 144 and if the pieces are less than 0 then the above code subtracts 1 from carton and adds units per carton into the number of pieces. So that the pieces never exceed total number of pieces in a carton and they are never shown to be less than 0.
I want the same effect in summary field in my crystal report. For showing sum of cartons and pieces at the end of each group.
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Apr 25, 2012
I have a field in a SQL Server 2005 DB of type 'image' that contains documents, mostly pdfs. When I view the field in the database, it looks as though the data is stored as a hex string. I have extensively googled and came up with the VB.net function below to convert the field to an actual file, but it only outputs a file containing the string of hex characters rather than the file that the field is supposed to represent.
This is a sample of the fields' data (I have truncated it for privacy purposes):
[Code]....
And is it possible to open the file straight from a query in SQL server?
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May 7, 2009
How can I achieve this. Insert Null Value into SQL Server DateTime Field?
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Aug 14, 2010
I am trying to update a SQL Server database Date field.When the user enters the date they enter 02 Oct 2010.When I pick up the DateTimePicker.Value it is 10/02/2010 00:00:00. I need to get the value to read 02/10/2010 00:00:00 How do I get the value to be in this format?
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Jul 14, 2010
I'm trying to zip a file that is stored on SQL Server as a blob image field and when downloading the zip file it says the file is corrupted.. or the file will open but contains some crazy characters. I've tried WinRAR and 7zip and no luck. I checked out [URL] and tried to kind of combine the browser attachment code and the memorystream/byte array code and no luck.
Here is my code snippet:
Try
BinData = DirectCast(dt.Rows(0)("ImageField"), Byte())
Catch ex As Exception
End Try
Dim blen As Integer = BinData.Length
[Code] .....
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Oct 6, 2011
I using vb.net 2010 and sql server management express 2008. bu I little confused what is wrong with the code for connect sql and vb.net
[Code]...
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Apr 28, 2009
I have established code that calls GetShortPathName to convert, say, "r: estlongname" to "r: estlo~1". It works fine with our old server, and at various user sites. We've just got a new 64-bit server and the code no longer works, ie it does nothing so my program carries on trying to use the long name (later on in the code this causes problems because it's trying to write a batch file to perform an unzip & other functions). Any ideas why GetShortPathName isn't working? We're a small software company with no specialised network admin.
The code uses this declaration: Declare Function GetShortPathName& Lib "kernel32" Alias "GetShortPathNameA" (ByVal lpszLongPath As String, ByVal lpszShortPath As String, ByVal cchBuffer As Long)
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Jul 16, 2009
I'm not very good at deployment and I'm facing a problem: First Off, I'm using Vista. i have created a windows application in vb.net which has a database file named Customerdb.mdf in it. I have selected the database and in the property, I have selected Embedded Resource option. I have used the following connection:
[Code]...
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May 9, 2011
I have a query that is working fine on my local but when placed on the server it comes back with this error,
Server Error in 'Page' Application.
ERROR [IM002] [Microsoft][ODBC Driver Manager] Data source name not found and no default driver specified
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.Data.Odbc.OdbcException: ERROR [IM002] [Microsoft][ODBC Driver Manager] Data source name not found and no default driver specified
Source Error: An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below. [Code]
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Jun 4, 2009
In mt project im calling data from sql server to display in labels. Howerver when there is no data for a paticular customer im getting an error saying "There is no row at position 0." How can I set the row so that it doesn throw an error but just returns a blank lbl?
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Aug 19, 2011
I am debug a code in server 2008 but it showing an error like vshost.exe has stopped working. I am unable to debug the code.
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Oct 7, 2009
This desktop app written in VB.Net within VStudio 2008 fails when one of our "power users" tries to run the program: Select permission denied on object 'AcctLogon', database 'MDS', owner 'dbo'. The author of the app is out for a few weeks and I am the "fixer" while she's out. Both of our logins for SQL have permissions for db_owner in the MDS database but our user does not. The user has a Windows user login for this instance of SQL. This login has permissions for the public role only in the MDS database.
[Code]...
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Apr 28, 2010
saving data from a text field and multiple combo boxes to a file on a server in visual basic 2008
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May 3, 2012
I have a stored procedure (I cannot edit) that I am calling via linq.
The stored procedure returns values (more complex but important data below):
Customer Stock Item Date Price Priority Qty
--------------------------------------------------------
CUST1 TAP 01-04-2012 £30 30 1 - 30
CUST1 TAP 05-04-2012 £33 30 1 - 30
CUST1 TAP 01-04-2012 £29 20 31 - 99
CUST1 TAP 01-04-2012 £28 10 1 - 30
I am trying to limit this list to rows which have unique Dates and unique quantities in LINQ. I want to remove items with the HIGHER priority leaving rows with unique dates and qty's.
I have tried several group by's using Max and order by's but have not been able to get a result.
Is there any way to do this via linq?
EDIT:
Managed to convert brad-rem's answer into VB.net.
Syntax below if anyone needs it:
returnlist = (From p In returnlist
Order By p.Qty Ascending, p.Priority
Group By AllGrp = p.Date, p.Qty Into g = Group
Select g.First).ToList
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Jun 3, 2010
If you try to access a password protected page it does a security check and redirects you if you are not logged in, retaining the URL (ie. Members/MemberLogin.aspx?oc=/PodCast/Default.aspx)The vb script places the "/PodCast/Default.aspx" in a variable and holds it until the login process is complete.Once the user types in their username and password it is suppose to do a Response.Redirect(strRedirectURL) and go to the "/PodCast/Default.aspx" but instead it goes to the default.aspx page for logging in successfully
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Nov 19, 2009
how to working with Sphorium WebDAV Server Framework?[URL]
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Sep 13, 2010
Anyway, I wrote a view with a union query in SQL Server that grabs data from a linked SQL server.
Anytime I try to add this object as a dataset in VB.NET it completely bombs out on me with this ugly error message...
ERROR [42000] [Microsoft] [ODBC SQL Server Driver] [SQL Server] The operation could not be performed because the OLE DB Provider 'SQLOLEDB' was unable to begin a distributed transaction. ERROR [01000] [Microsoft] [ODBC SQL Server Driver] [SQL Server] [OLE/DB provider returned message : new transaction cannot enlist in the specified transaction coordinator] ERROR [01000] [Microsoft] [ODBC SQL Server Driver] [SQL Server] OLE DB Error Trace [OLE/DB Provider 'SQLOLEDB' lTransactionJoin::JoinTransaction returned 0x8004d00a]
I'm completely stumped as to why I can't create a dataset from a view that references a linked SQL server. It's not this specific view either, all views that reference this linked server bomb out.
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Jul 21, 2010
I am having a hard time figuring this out. It's about ExecuteNonQuery() method and sql server database. I done several testing and still getting the desired result which is data captured from application window and saved into sql server database table.
Some results i gotten from my testing:Query - Senario 1:From application window, data was captured into variable memory but didnt save into database and end up with blank database. (Tested many rounds still end up in this senario)Senario 2:Used the command console in the data explorer frame, with the insert query along with required value, an entry was made. (Test a couple of rounds and i know it worked)
ExecuteNonQuery() - Tested using if/else method as shown below and the result was pass that show the method is working. This testing method was found from this link: [URL]Below is my create Method(sentence with ' are comments):
Dim DatabaseConnection As String = My.Settings.QuotationDatabase [color="#00FF00"]'Connection to Database[/color]
Dim SqlConnection As New System.Data.SqlClient.SqlConnection(DatabaseConnection) [color="#00FF00"]'Linking Database Connection via SqlClient to Application[/color]
Dim Query As String = "Insert Into Clients2 (Title, Name, Email, Designation, ResidentialNumber, MobileNumber, CompanyName,
[code]....
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Mar 25, 2012
I have a code that binds the data from the database to textboxes. The problem is I want to make one of the textboxes Payment use a dollar sign.I tried formatting it as shown in the code below but only the first record gets formatted, the rest do not. When I click the next button, the dollar sign disappeared.
Here is a portion of the code:
bs = New BindingSource(ds, ds.Tables(0).TableName)
Me.txtPayment.DataBindings.Add("Text", bs, "Payment")
Me.txtPayment.Text = Format(CType(txtPayment.Text, Decimal), ("c"))
I have tried everything else I know, FormatCurrency but no luck.Payment is the name of the column in the database, the data type in SQL Server is Small Money.
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Oct 26, 2009
I have been trying to get a test 'developer use' authenticode certificate working on our server. We dont really want to pay for one until we have tested internally so we are using a test cert generated by tech-pro. So far i have:
- Installed certificate services sucessfully.
- Created a test certificate using tech-pro codesign.
- used signtool.exe wizard to sign the application.
- imported the test certifcate as a server root certificate.
All appears to have gone ok and without error but when i run the exe on a virtual VISTA machine logged onto the domain the program still prompts for the administrator to logon to elevate its priviliges. Is there another step im missing that requires me to specifically register the certificate directly on the virtual machine too? Or something else i need to do on the server to make that certificate valid for our domain?
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