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all groups > dotnet ado.net > april 2004 > threads for thursday april 15

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Reading Excel into a dataset
Posted by sutphinwb NO[at]SPAM npt.nuwc.navy.mil at 4/15/2004 9:31:00 PM
I've been reading excel worksheets into a dataset using the following prose OleDbDataAdapter myCommand = new OleDbDataAdapter( "SELECT * FROM [MySheet$]", @"Provider=Microsoft.Jet.OLEDB.4.0;" + @"Data Source=" + input_file + @";Extended Properties=""Excel 8.0;IMEX=1"""); The ...more >>


Implementing a DataReader : where to store the result from DB ?
Posted by Craig Kenisston at 4/15/2004 9:04:40 PM
Hi, I'm working in the implementation of a little .net provider for a propietary database format. I've studied the .Net provider sample that is in the vs.net help, as well as other providers a bit. There is a class in the sample to store the result from the database : public c...more >>

Advanced Dataset Merge Question
Posted by TomC at 4/15/2004 6:36:03 PM
I have two datasets from different databases that I would like to perform a left outer join on and bind the result to a datagrid. I am attempting this buy merging the datasets into one dataset. I would like the shemas to merge but what is happening is that the table from dataset "b" is copied into d...more >>

Cannot find Oracle data client
Posted by bclegg at 4/15/2004 4:41:37 PM
Hi, I am running Dot Net 7.1.3088 on top of framework 1.1.4322 I cannot find the system.data.oracleclient namespace. I tried running the 'Managed Provider for Oracle ' oracle_net.msi. This ran OK but still no client namespace. Any ideas? thanks Bob ...more >>

Images into SQL Server
Posted by Steve Peterson at 4/15/2004 12:11:52 PM
Hi I was hoping that someone could point me in the direction of some articles on how to get images into a SQL Server database. I have an ASP.NET app where I need to let the users upload images to the server (that's no problem), but then I need to get the uploaded image into a table in SQL ...more >>

Newbie asks about DataSet HasChanges
Posted by Mika M at 4/15/2004 12:04:00 PM
Hello! My application has MainMenu containing MenuItem 'mnuSave' and ToolBar containing ToolBarButton 'tbbSave'. When users has edited DataGrid or any of the TextBoxes on the windows form, then ds.HasChanges (ds=DataSet) will be 'True', then I want set ... mnuSave.Enabled = ds.HasChanges ...more >>

Generate Dataset Error: 'string' does not contain a definition for 'Convert'
Posted by tropical_jam NO[at]SPAM yahoo.com at 4/15/2004 11:08:43 AM
I have a strongly typed dataset that contains a table that links to a complex type in another dataset. One, and only one of the fields, in the complex type has a minOccurs = 0. When I go to the dataset that has the datatable that references the complex type, click generate dataset, and compile I...more >>

dumb previous question - repost
Posted by Rich at 4/15/2004 10:26:32 AM
After thinking about it a bit, my previous question was kinda lame (can I fill an Access table with sql adapter - of course not). I meant to ask if I could bulk copy data from a sql adapter table to an oledbAdapter table. Where I am not clear however is if one dataset can contain a sql t...more >>



Dates added to times in Access database
Posted by Steve via .NET 247 at 4/15/2004 9:37:51 AM
I have been trying to update dates and times in an access database using VB .NET. I use the parse and format events of a data binding to set the required format for the field. This works fine for dates but when I store times I get the current date inserted as well. The parse and format events ...more >>

How to Reset RAISEERROR in nested sps
Posted by Mart via .NET 247 at 4/15/2004 9:37:39 AM
(Type your message here) I am calling an sp from ADO=2ENET, and almost everything is fine= :-)=2E The ADO=2ENet code has a try catch block for SqlException=2E= The sp calls another sp, which may call RAISERROR under a= certain condition=2E When this happens the top level sp reads the= cod...more >>

can I fill an Access tbl with sqlsrv Adapter?
Posted by Rich at 4/15/2004 8:17:01 AM
Hello, Is it possible to have 2 tables in a dataset where each table is from a different source? tbl1 is from sql server and tbl2 is from Access? Then is it possible to fill the Access table with the data from the sqlserver table? Like if I use an adapter to fill the sql table can I us...more >>

Filling a DataSet from a positionally delimited flat file
Posted by billym at 4/15/2004 8:13:19 AM
An article in the The Code Project entitled "A simple architecture to read arbitrarily formatted flat files into ADO DataSets" had the following comment: "There are Ole Providers to read formatted flat files into DataSets, but ever wondered about importing data from files which are not simply ...more >>

Getting a list of SQL servers on a network
Posted by M K at 4/15/2004 7:21:07 AM
I want to have a lookup window in my app so that users can select the SQL server the app is going to connect to. What's the best way to do this?...more >>

Connection Problems
Posted by Sunil Sabir at 4/15/2004 4:51:04 AM
Dear All I am having a problem trying to establish a connection with SQL Server using ASP.net page. I am using Server Explore to establish a connection. The connection is perfectly established if I use Northwind or pubs Database. But I am unabl to establish a connection if I make my own d...more >>

Parent-Child relations in a dataset
Posted by Mark G at 4/15/2004 3:26:04 AM
I'm facing the following problem The dataset contains two tables (parent-child), and both tables have auto-incrementing column (SID) I succeed to insert a row into the parent table (in the dataset and in the db), but when I try to get the value of the SID (from the dataset, before updating the dat...more >>


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