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all groups > dotnet ado.net > november 2004 > threads for friday november 5

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Declarative Data Access
Posted by Angelos Karantzalis at 11/5/2004 9:04:04 PM
Hi guys, for a while now, we've been flirting with the idea of having a single component in our app that handles all the plumbing for our Db calls ( creating connections, Commands & Parametes etc. ) through an xml definition of each Db call. For instance, a call to a Stored Procedure would ...more >>

Where is MS-SQL Equivalent to AspNetDB?
Posted by clintonG at 11/5/2004 8:41:53 PM
I'm interested in the ASP.NET 2.0 Member Services and have a copy of AspNetDB which is created by default when using VS.NET 2005. The problem is I don't have a MS-SQL version and Microsoft has apparently dropped support for the default creation of AspNetDB. I'm hoping somebody knows if there i...more >>

More on Connection Exception with Windows Service...!
Posted by Evan Camilleri at 11/5/2004 7:15:08 PM
I am getting a connection exception when trying to access an SQL Server which is NOT localhost through a Windows SERVICE. Following are the situations: (1) DOES NOT WORK: Windows SERVICE Windows Service Sql Connection = Data Source=ENTERPRISE;DataBase=CRM;Integrated Security=SSPI; S...more >>

Paging
Posted by hoz at 11/5/2004 5:35:11 PM
Hi , I use a procedure to get list of all users and show them in a datagrid/datalist/etc.. with SqlDataReader . How can i list X item (lets say 50) on the first page , 2. 50 on second page and so on ...more >>

How do I bind a multi-table query to a grid or repeater and make it updatable/editable
Posted by merrittr NO[at]SPAM gmail.com at 11/5/2004 3:30:07 PM
here is the sort of query I want to use to bind data to some control: SELECT employee.lastName, employee.firstName, account_supervisor_int.acctCode_ID_FK, account_supervisor_int.employee_ID_FK, employee.employeeID, account.acctCode, account.acctnum FROM employee, account, account_supervisor_i...more >>

Newbie ADO.Net Question.
Posted by Nathan at 11/5/2004 3:18:02 PM
Hi, I am trying to do the following in ADO.net using C#. I need to do an update, select, update statement as a single unit using the same DB connection. Is that possible? The database doesn’t support stored procedures/functions. I also want to make sure that it is locked while doing all t...more >>

Class Inheritance
Posted by RS at 11/5/2004 2:56:05 PM
I have a class that inherits from Dataset. I have couple of methods that extend functionality of the dataset to fit my specific need. I also have a SQL helper class that has method Execute dataset. Its brings back filled dataset. When i do : MyDataset ds = new MyDataset(); ds = (MyDatase...more >>

Can Sql Server Fire an event to ado.net?
Posted by mekim at 11/5/2004 2:20:02 PM
Hi all, Can Sql Server Fire an event to ado.net? Meaning...can I have a "trigger" raise an event that I can pick up via ado.net? What I'm trying to do is when a certain datafield is changed...my asp.net app can respond to it Best Regards, Mekim...more >>



Newbie: Undo DataSet change?
Posted by Sal Bompensaro at 11/5/2004 1:40:35 PM
Hi, I have a super-basic question for you: I have a typed DataSet which contains several tables. Throughout my WinForms app, the user has a chance to modify this dataset and submit these changes to the server. Prior to submission, the user will be given the option to "Save Changes" ...more >>

CrossTab Query/Report Help
Posted by jebba97 NO[at]SPAM aol.com at 11/5/2004 1:01:17 PM
Hey. I'm new to Access, and need help creating a report, and I thought using a crosstab query would be the best way...now I'm not sure...here's the simplified report I'm trying to create: Year 1 Year2 YTY Margin Vendor Cost | #Units Cost | ...more >>

Using an Access Database in ADO.NET w/o MS Access
Posted by mh1mark at 11/5/2004 12:03:01 PM
If I am using ADO.NET in a VB.NET screen to do inquires, updates, deletes etc on an MS Access database, does the client or the server that the application resides on have to have MS Access installed? Or are the MS JET access routines inherent in the ODBC access methods I'm using?...more >>

Connection Exection frim Windows SERVICE
Posted by Evan Camilleri at 11/5/2004 11:26:27 AM
I am getting an exeception when I access an SQL database (on another machine) from a 'Windows Service'. The same code works if the SQL Server is local or code is in a Windows Application. Following is exception from Event Viewer: Event Type: Error Event Source: TestServ Event Category...more >>

ADO.NET and ODBC { CALL ..... } Syntax
Posted by Nilesh at 11/5/2004 11:23:03 AM
Environment: Web server IIS 5 running on Windows 2000 (SP2) Oracle Client 8.1.7 Coonecting to Oracle 8i DB running on Unix ADO is used as connecting mechanism (MSDAORA) Synopsis: Curently we are using ADO (MDAC 2.5) to connect to Oracle 8i (Oracle client 8.1.7). We are using ...more >>

no raised exception on : error ORA-01403: No data found ??
Posted by toto NO[at]SPAM titi.com at 11/5/2004 10:38:05 AM
Hello, I use oracle 9.2, I have a trigger on a table. When I update my table the trigger generate the error: error ORA-01403: No data found But no exception is generated with my System.Data.OracleClient so in my c# code I don't know that an error occured!! Why ? What can I do to detect the ...more >>

RowChanged w/ DataRowState.Added still not working...
Posted by Mike Edenfield at 11/5/2004 10:36:58 AM
I'm still having problems with the RowChanged event on the DataTable. I need to find an event which runs after a new DataRow has been added to the DataTable's Rows[] collection. Clearly, RowChanged() is not that event, since the "e.Row" event argument is not in it's own DataTable's Rows[] ...more >>

A severe error occurred on the current command
Posted by HHoulston at 11/5/2004 10:10:02 AM
I'm getting this error message: A severe error occurred on the current command. The results, if any, should be discarded. I am using 2 SQL Servers A and B. Server B is a linked server on Server A. I am using ADO.NET to run a stored proc on Server A that calls another stored proc on Ser...more >>

trouble with DataBinding (Master/Details)
Posted by christoph.burgdorf NO[at]SPAM bvsn-dot-net.no-spam.invalid at 11/5/2004 9:58:50 AM
Hi, I've got a problem with the DataBindings. I've got a form with 3 textboxes and also one DataGrid which shows the details for the the current record. I've got a DataSet with two tables in it (Master/Details). I created primary keys and set a relation between those two tables. In Addition...more >>

One DataTable out of two DataTables
Posted by Lalit at 11/5/2004 7:23:03 AM
Hi, I have a DataSet with two DataTables. Both tables have the same primary key, say "ID". I am binding Table[0] to a Grid Control. Now I would like to create a DataTable that contains all the rows from both the tables, so that I can bind it to a Grid and see all the rows from both tables. Ho...more >>

SqlConnection.open takes 26 seconds to complete on first run
Posted by mngilbert NO[at]SPAM gmail.com at 11/5/2004 7:19:58 AM
I've been coding asp.net sites for a while now and this is beginning to really annoy me. SqlConnection.open takes roughly 26 seconds to complete the first time the site is run after a new compile, whether in debug or release. After its happened once i can render pages in no time at all, its ...more >>

Dynamic SQL with XML schema?
Posted by dotnw NO[at]SPAM hotmail.com at 11/5/2004 4:19:44 AM
I am using dynamic SQL inside my stored procedure because I need to use a variable with the TOP keyword. When I drag this stored proc on to my XML schema file inside VS.NET, the schema is not generated, which I think is understandable. Is there something that I can do to have a dynamic SQL b...more >>

How to handle large result sets in Windows Forms
Posted by faensen NO[at]SPAM inf.fu-berlin.de at 11/5/2004 2:27:01 AM
A typical szenario in a database-centered application is that a user (accidentally or on purpose) requests data that would result in a very large result set, may be millions of rows. I really like the way how MS Access handles that problem. The first records are displayed as soon as they are ava...more >>


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