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all groups > dotnet ado.net > july 2004 > threads for thursday july 29

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ExecuteScalar alternative
Posted by Frank Rizzo at 7/29/2004 10:26:28 PM
ExecuteScalar is great - it returns the first field of the first row. Is there a command that returns just the return value from the stored proc? I can't seem to find it. Thanks...more >>

TimeOut Expired. Using Temporary tables
Posted by DotNetJunkies User at 7/29/2004 10:11:17 PM
Hi, I have a temporary table which contains around 2.7 million records. I am iterating through these records in a WHILE Loop and performing certain business rules on these records. Within the loop too i am using a large number of temporary tables. This entire processing is being done in a store...more >>

DataView Question
Posted by Paul J. Lay at 7/29/2004 5:09:13 PM
I have a form that is passed byRef a dataView which is can updated many times in the form. If the user decides to Cancel all the updates, I would like to be able to restore the dataView to its contents at entry to the contructor. Reject changes works fine in my form but causes other problems f...more >>

Customized errors from Oracle
Posted by rbscheer NO[at]SPAM my-deja.com at 7/29/2004 2:39:14 PM
Hi. I need to raise a customized error message from a stored procedure in Oracle 8i and catch this error in my Try...Catches in VB.NET. Can anyone point me to an article or something that teaches how to do it? OTN site is terrible to find anything!!! Thanks, Robert Scheer...more >>

Tool for scripting out the database
Posted by Frank Rizzo at 7/29/2004 2:38:28 PM
Hello, I am looking for a tool that will connect to the database and script the entire thing out (i.e. tables structured, stored procs, views, etc... including the data in the tables) to a file. I would then run this script elsewhere to restore the database. I'd prefer something that comm...more >>

DataRowView Trouble
Posted by Roshawn at 7/29/2004 2:28:43 PM
Hi, I am using a DataRowView object that contains exactly one row. Here's my code: Dim dv as New DataView(ds.Tables(0), "City = 'Hammond'", "", DataViewRowState.CurrentRows) Dim row as DataRowView = dv(0) The row contains a column that can contain empty data. How can you tell if the s...more >>

Command and parameters
Posted by Frédéric Mayot at 7/29/2004 12:34:01 PM
Hi, I'm trying to make a little wrapper to execute sql commands with parameters. Execute("SELECT * FROM Table WHERE Stuff=@p1", somevar) Public Shared Function Execute(ByVal sSQL As String, _ ByVal ParamArray params() As Object) As Object [...] ...more >>

SqlDataReader.Close() bug?
Posted by Chris Gallucci at 7/29/2004 12:18:42 PM
I have a program that creates an instance of a SqlDataReader via the Microsoft Application Blocks Data Access code. I use a typical try{} catch{} finally{} pattern for using it... <codesnippet> SqlDataReader rdr = SqlManager.ExecuteReader(/* yada, yada, yada */); try { while ( rdr.Read...more >>



Output Parameter Help!
Posted by Ben Smith at 7/29/2004 9:51:36 AM
First off, I think there is a bug in the Data ApplicationBlocks when it = comes to Output parameters. Even when I specify the direction the = SQLHelper.ExecuteReader method still treats the parameter as an input = parameter. But on to my questions... I am having trouble returning a values ba...more >>

XML Attributes in a DataSet
Posted by Ryan Rogers at 7/29/2004 9:22:22 AM
How can one extract the Attribute values from a Dataset that has been loaded with an XML file like the following at the bottom of the document. I have to use a dataset and the XML file must remain the same? Regards, Ryan <?xml version="1.0" encoding="utf-8" ?> <Groups> <Group Name="...more >>

Inserting rows in dataset bound to XmlDataDocument - Framework bug?
Posted by Troy McLure at 7/29/2004 12:01:39 AM
I have a C# Windows form with a datagrid. The datagrid displays a dataset. The dataset is created by reading an xml file. The dataset is read into an XmlDataDocument. The datagrid and the xml data will not sync when inserting new rows: When I insert a new row to the dataset by using Syste...more >>


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