| Thread | Last Post | Replies |
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| Datasets vs. OOP | 17 Jun 2004 23:45 GMT | 45 |
I've seen an Introduction on ADO.NET with its Datasets on .NET TV and Iam now wondering how it is realized/used in real world applications. I don't believe that one would create a dataset and add relations to it and so on for every table in the application, this would be a real mess ...
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| Getting data from a dataset one field at a time | 17 Jun 2004 22:17 GMT | 1 |
I have create a dataset that contains only the data that I want. Now I want to display the data a field at a time. How do I retreive the data in order to display it? I have included a code sample below: Private Sub GetDataByEventType(ByVal AlertType) Dim AlertTypeData As ...
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| Dataset constraint violoation with null foreign key value | 17 Jun 2004 21:11 GMT | 6 |
I'm loading a dataset from a cached viewstate version of the dataset created on a previous http request. When I read the call ReadXml on the typed dataset, I get: "Failed to enable constraints. One or more rows contain values violating
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| Deadlock Handling | 17 Jun 2004 20:00 GMT | 3 |
I have written an application that recently, under heavy load, encountered the deadlock. After considering the time issue, I decided to live with them. However, I have trouble reproducing them in order to trap and handle them properly. Could someone please tell me what's
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| Program crashes when network goes down and back up | 17 Jun 2004 19:59 GMT | 2 |
I could definitely use some help with this error! My VB.NET 2003 program only connects to the database when the user saves, retrieves, etc. If they retrieve a file from the database to work on, and the network goes down for more than about ten seconds and comes back up,
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| Add sorting to SQLDataAdapter at runtime. How? | 17 Jun 2004 16:01 GMT | 2 |
I have a SQLDataAdapter that I have configured. Since I want to tie this to a DataGrid and add sorting to the datagrid, I do not want to configure the adapter with sorting. I want to be able to add the sorting at runtime depending on the column that the user clicked on the datagrid. ...
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| Persistance UPDATE problem - revised Q for clarity | 17 Jun 2004 15:50 GMT | 2 |
I'd like to clear up a very long-standing problem I have had only because I have done a little more testing, but the problem is still there. On Page_Load event, the textfields on my page fills with the personal data stored in a SQL DB, as follows: Dim cn As SqlConnection ...
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| Query Analyzer speed vs. SqlCommand.ExecuteReader speed | 17 Jun 2004 14:13 GMT | 5 |
All, I have an SP that takes about 5 seconds to run before any caching performed by SQL server (I run DBCC DROPCLEANBUFFERS to make sure in my tests). When I hook the SP into a SqlCommand object, the SP Cmd.ExecuteReader line takes about 5 seconds every time I reload the page. ...
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| Persistent UPDATE Problem | 17 Jun 2004 13:41 GMT | 3 |
I have had an application where I have not been able to successully add an 'update details page' for my clients logged in to the website. I have posted a query on this before and the result was that the WHERE clause was probably wrong; without success....but I have added a test ...
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| Please see statement encloded about postal and lottery laws | 17 Jun 2004 11:40 GMT | 3 |
A chain letter is a "get rich quick" scheme that promises that your mail box will soon be stuffed full of cash if you decide to participate. You're told you can make thousands of dollars every month if you follow the detailed instructions in the letter.
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| DataTable column question | 17 Jun 2004 11:37 GMT | 3 |
It's easy to add Columns into DataSet DataTable for example like this way ... ds.Tables("MyTable").Columns.Add("MyColumn", GetType(Integer)) ... but how can I remove this column of the DataSet which was created
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| How to know total records selected? | 17 Jun 2004 08:03 GMT | 4 |
Hello Group, How can i obtain the total no of records selected with the help of Datareader class. rowsaffected does not seem to work. Thanks
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| Trouble trying to insert Excel file as BLOB into SQL2000 database | 17 Jun 2004 07:50 GMT | 4 |
I'm having trouble programatically inserting an Excel file into an Image column in our CRM package's SQL 2000 database. The function appears to work ok, but when I attempt to access the file through the application's front end the file appears to be corrupt. The front-end ...
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| reflexive relation in dataset | 17 Jun 2004 07:13 GMT | 1 |
I've got the following problem: I need to describe a tree structure, the table in the dataset consists of the columns structID, parentStructID, description with structID as primary key.
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| databinding textboxes | 17 Jun 2004 06:01 GMT | 4 |
ive bound textboxes in design and in code. changes to the textboxes are reflected in the dataset, however, such changes do not get updated in the database. i have no problem with updating datagrids etc.. please advise... thanks
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