IDE :: Project Currently Has No Data Source Associated With It?
Feb 11, 2010
I have purchased and installed the EBook "Visual Basic 2008 Step By Step". The package comes with a companion CD on which are practice projects that correspond to the book. I have installed Visual Basic Express 2008 and also installed the "Practice Files" exactly as required. When I enter the VB 2008 Express IDE and attempt to load the project or solution files, the program loads and I get no error. The problem is that I get no data when this happens. The "Data Source" box displays a message that reads, "Your project currently has no data sources associated with it. Add a new data source, then data-bind items by dragging from this window onto forms or existing controls." The files did load properly for me once, but have not ever since. Does anybody have any clue as to what needs to be done here?
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Jul 14, 2011
How do I delete a data source from a vb.net project. There is no delete/remove in the data sources window and if I delete the corresponding xsd file I end up with errors in the designer file. 'm having to do this because when I change a data
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Jan 7, 2011
im trying to add a new data source to my visual studio 2010 project. As it stands my project consists of a few windows forms. I plan on making it access a database (made in access, unless this is a problem), and be able to perform pre-set queries, search/sort, and basic delete,add,edit functions. I will hopefully be later adding the function to print reports according to the database entries.However, the problem i am having is that when i go on to data sources, and click add new source, the following happens:3, it asks me which connection i will be using, i click new connection, then in the new connection dialog i choose the following : Microsoft Access Database File (OLE DB), then i browse for the database i made in the 'database file name' box, Then i delete the default username in the log in to database bit, as my database has no protection.
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Feb 1, 2011
After trawling around the net for a good few days, i decided to post something here.
Basically, i've got a problem linking a data source (Access 2007 database) to a VB 2008 project.
I've broken it down to having a problem dragging a table onto my form, when it generates the nav bar, it says "0 of {0}", and the table is empty (despite the actual database containing values)
However, this happens only at home, at college it works totally fine. The only difference that's obvious is that i'm using Windows 7 at home, and Windows XP at college.
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Feb 10, 2012
I refreshed my data sources to include additional items from the SQL Server databases and it appears that my entire data source from my VB.NET project disappeared.I am using Entity Framework. I may have clicked on something wrong, not quite sure. Unfortunately I can't recreate the Data Source without creating a new Entity and Data Model.I can delete the entry in the App.Config file and recreated it, however things aren't quite right.Is there a way that I can recreate my Data Source from the entry that is in my App.Config file...since that appears to have remained intact.BTW, I can go to my Data Model and successfully refresh from there, however my project isn't connecting to the database so I have quite a number of errors until I can get reconnected.
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Oct 11, 2010
I have an Access database and I want to view on a datagridview specific rows. For that I used the following :
CasesBindingSource.Filter =
"OfferDate Between #1/1/1997# And #12/31/1997#"
Cases is the table, OfferDate a field of the table wich is DateTime type.
When I use Between operator I get the following error :The expression contains unsupported operator 'Between'.
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Jun 4, 2010
What does it mean for a project to be under source control?
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Feb 1, 2008
send me source code for any billing project
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Sep 22, 2009
I know VB.NET and i want to develop a program. Which i think later will be open-source if i fail to keep updating it. My question is : Is it possible to build open-source project by using .NET languages ? Or do i have to build open-source projects only using open source languages like Java,Ruby, Python etc ? ( I mean is there any restriction from microsoft on building open-source projects using their langauge and tools ?)
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Apr 5, 2010
how can I remove a source file from a Visual Basic 2008 express project withtout deleting it??
I tried Build Action None and I get plenty of errors concerning .Dessigner file.
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May 8, 2010
Source code for setup of vb.net project application?
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Feb 23, 2009
I'm looking for a place where I can share my open source code and contribute to other projects. Can anyone recommend me a site/community where there is lots of support and enthusiasm for open source?
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Nov 4, 2009
and Send me some codings for a restaurant management system project using any programming language preferably VB6,VB.NET,PHP&MYSQL,HTML with Javascripts[i][color=#000099][size=3][font=Times New Roman]
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May 7, 2009
I created a small application and an installer project for it. I can install and also run it, only thing htat i dont like is that during setup, it downloads .NET Framework 3.5 SP1 and this takes long sometimes. I want to have it on the installation CD later.
I have seen in the installer's detected dependencies, that there is the 3.5 framework contained and it has a InstallURL property = [URL]..I am a little confused about all the Framework stuff on this site - so just 3 simple questions:
1) which file exactly do i have to download,
2) where to put it and
3) what to write into the property InstallURL then? (Maybe needed to change also other properties)?
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Mar 27, 2011
I have a vb.net windows form app that I am deploying as using the visual studio deployment project. The app needs to write event logs to the application log in the event viewer. For reasons explained here I need to create the event source during the installation process. Something like this to run as part of the installer
If Not EventLog.SourceExists(My.Application.Info.ProductName) Then
EventLog.CreateEventSource(My.Application.Info.ProductName, "Application")
End If
That code needs to be run during the installer with elevated privileges. So my questions are:
How do I execute that code above as part of the installer? How do I get the installer to do the UAC prompt to allow that code to run as part of the installation?
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Feb 22, 2011
Modifying data with the ListView's EditItemTemplate by programmatically settings its DataSource property and calling its DataBind method. I don't have option to use data source control for ListView. All ListViews are bound with data from code-behind. So, I have to handle the Edit/Update mode of ListView manually. [Code]
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Jul 7, 2011
I'm trying to connect a VB application (2010) to an MS Access DB by adding a data source from the data menu but I receive this error message "The connection you selected uses a local data file that is not in the current project.Would you like to copy the file to your project and modify the connection ?
If you copy the data file to your project, it will be copied to the project's output directory each time you run the application" and the options are (yes , No , Help)
If I choose Yes I will not be able to make the application 'device independent ' since it will not be copied under the bin , and if I choose No , changes won't be applied to the DB
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Apr 23, 2010
how to use the VS 2010 IDE tools in a way the Microsofties didn't specifically intend. But since this is something I immediately tried without success.
I have defined a .NET 4.0 WPF Application project with a simple class that looks like this:
Public Class Class1
Public Property One As String = "OneString"
Public Property Two As String = "TwoString"
[Code]....
The expected result was that "OneString" would appear next to "One" and "TwoString" next to "Two" in the running window.
The question is: Why didn't this work? What will work instead? If I put bindings in a DataTemplate, it works. Blend, with its sample data stuff, implied that this should work, but it doesn't.
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May 10, 2010
I have 5 combo boxes that need to show the same list of items that come from a single dataset table. I have managed to bind the datatable to the combo boxes no problem at all.. but when I run the application and select an item from one of the combo boxes all the others change to the item I selected. After some research I believe that this problem is something to do with using the one datasource so I have tried assigning the dataset datatable to 2 different variables and used them as datasources for 2 of the comboboxes but the same still happens.
A work around to this I can see is to call the same methods and SQL select statements 5 times over to get individual datasources for each combo box but this doing that sounds crazy to me. how I can get around this easily? Code snippet below shows 2 combox boxes and their datasources. I'm using VS2005, .Net 2
ComboBox1.DropDownStyle = ComboBoxStyle.DropDownList
ComboBox1.DataSource = AllergyListDataSet.Tables("ListOfAllergies")
ComboBox1.DisplayMember = "Condition"
[Code]....
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Mar 21, 2010
can data reader be used as a data source for a grid control?
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Nov 4, 2009
I have a combo box with a data source. This box shows one column of a table and allows me to select one item.Next, I have an ordinary text LABEL that I need to put text from another column of the item selected above.I tried to set the data binding field of the label, but this grabs only the first row or data and shows the selected column. That is nice, but I can not figure out how to update the selected selected ROW when the combo box item is changed.In this case the combo box lists a bunch of inventory parts. When I select a specific part, I need the change the text in a label to show the manufacturer. (like a sub-form). This same behavior will be used in several other places, but the relationships can cascade.
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Jun 2, 2010
i'm got this sql query code in dataset designer
SELECT pkt.fldPackageID, pkt.fldPSID, pkt.fldQuantity, pkt.fldQuantityUsed, pkt.fldRetail, pkt.fldPK, ps.fldName
FROM tblPaketRow AS pkt INNER JOIN
tblProdukDanService AS ps ON ps.fldID = pkt.fldPSID
WHERE (pkt.fldPSID = @param)
I'm trying to display the results in datagridview,i drag from the data source in vs 2008..I can't figure out to do that.I use this code to set the @param on form_load event.
Me.TblPaketRowTableAdapter.JoinTable(SalonDataSet.tblPaketRow, modCommon.s)
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Aug 14, 2009
I have a bit of code that reaches out and grabs a series of rows from SQL Server DB. I perform an inner join to get some related table data. In the process I get returned the user id of the creator of the data. I then want to pass this into a query to get back a full name. I am having no luck figuring out how to do just that. If I use the data visualizer I can see the name I am after, I cannot figure out the call to extract it
Bindingsource1.DataSource = GetData("Select * From PURCHASE_ORDERS WHERE PURCHASE_ORDER_NUMBER =" & REQ_NUM.Text)
.DataSource = Bindingsource1
[code].....
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Jun 1, 2011
I have been trying for days now how to create a process to the user to easily create a connection to any installed data types they have installed. I have found an example right inside vb2008. I never use this because I code my own connections, but this would be real nice if I could include it or duplicate it.
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Sep 25, 2009
I am creating a database for Employees. In that I have some issues. I am trying to bind my data using data source. In the list box properties I set
lstemp.Datasource = Employeedatabase
lstemp.Displaymember = "EmplyeeName"
lstemp.Valuemember = "EmplyeeId"
I want to get my employee Id for displaying data in text boxes. How can get the data of the highlighted employee name in the list box to text boxes
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Sep 25, 2009
I am creating a database for Employees. In that I have some issues.I am trying to bind my data using data source. In the list box properties I set
lstemp.Datasource = Employeedatabase
lstemp.Displaymember = "EmplyeeName"
lstemp.Valuemember = "EmplyeeId"
I want to get my employee Id for displaying data in text boxes. How can get the data of the highlighted employee name in the list box to text boxes
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Jun 2, 2011
I am doing project in 2010...I am trying to add new data source.
[code]...
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Mar 18, 2012
Iam try addingnew data source by using the Wizard but it gives me massage error (unexpected error has occured)
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May 9, 2011
I'm creating a gridview using an objectdatasource and it works fine when pulling all records. But when I want to use the selectCountMethod the grid shows no values. I Step through the code and my getInvoices (gets the requested data) returns data and the getInvoicesCount (gets the total record count). But then when I go through the rowdatabound of the gridview there's nothing in there and no data displays. Here is my code to set the objectdatasource. Any reasons why it wouldn't work or something special that needs to be done for getting the selectcount to work? [code]
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Apr 28, 2009
Trying to add a new data source, I create a new connection string and attach an Access DB to it, pick which tables I want, and it either gives me an error saying it can't create the data source or it creates it and puts this garbage in the data set designer:[code]
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