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all groups > dotnet ado.net > december 2003 > threads for monday december 15

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virtual connection string?
Posted by Martin Williams at 12/15/2003 11:55:43 PM
How do you create a virtual connection string, so that the application will always look in the local folder where it's stored? This is for vb.net. Thanks for all replies. Regards, Martin Williams ...more >>


NEWBIE: Data Grid Formatting
Posted by Alexander Fowler at 12/15/2003 9:01:50 PM
Hello and thanks for taking a minute. I am just getting into ado.net and still at the "experiment with wizard generated code" phase of self-teaching, so please bear with any stupid mistakes. I am trying to write a simple contact manager with an interface similar to Act's opening contact screen...more >>

Adding information to a dropdownlist from a dataset
Posted by Lennie at 12/15/2003 7:25:37 PM
Hello. i have tree dropdownlist that i want to add some information from a databas. The sql questions is like this for the tree dropdownlist´s SELECT distinct eventuser FROM syslog..tblsecurityEvents where eventuser like 'PHONERA%' and eventuser not like '%$' SELECT distinct eventuser ...more >>

Concurrency via SqlCommand.ExecuteNonQuery
Posted by anonymous NO[at]SPAM discussions.microsoft.com at 12/15/2003 6:36:44 PM
When using a SqlDataAdapter generated Update StoredProc, the DataAdapter.UpdateCommend (correctly) returns a DBConcurrency error. Using the same stored proc, instead of using the dataAdapter, I create a SqlCommand object and add all of the required parameters filled with the appropriate ...more >>

SqlConnection in WinApp
Posted by Marco Liedekerken at 12/15/2003 4:26:09 PM
Hi, Are there some "Good practices" in how to use a SqlConnection object in a windows application? Because I always use the same DB I don't want to give the SqlConnection object as a parameter to all of my methods who use the SqlConnection. I want it to be like a global variable to my whole a...more >>

SQL Connections
Posted by Laurent D. at 12/15/2003 3:53:51 PM
Hi After using a sql database, I want to detach it . But some connection are still openned from the application. My question: How can I stop those connections ? ...more >>

Programming Excel Effiviently - HELP!
Posted by ibeetb at 12/15/2003 3:21:21 PM
My head is exploding with the 500 different ways shown on Microsoft's site to program Excel (Office) Can anyone offer the best solution to the following: I want to program a couple of Excel reports for both Mac Users and PC users and have them access from a web site. These users not only have di...more >>

Sorting an XML file
Posted by Leszek at 12/15/2003 3:09:55 PM
Hello, I need to sort an XML file and then display the result in a drop-down list on an ASP.NET WebForm. What should I use? DataSet, DataReader, something else? Right now I have the following code: DataSet ds = new DataSet(); ds.ReadXml(Server.MapPath("categories.xml"), XmlReadMode.InferS...more >>



time entry in date field in ado .net, problem
Posted by ray well at 12/15/2003 1:28:37 PM
i have an access 2000 database, in which i log incoming calls by their date and time, so they can be retreived according to the order they were called in. in the date-time field, i can store a date-time by typing "1/1/2002 1:13:00 PM" directly into the table when i open it in Access. if i then...more >>

Select based on multiple child records (SQL)
Posted by Chris Perry at 12/15/2003 1:09:56 PM
Hello all, I want to select certain child records from a table based on the values of other unrelated child records. For the select Im using three tables from a Questionnaire database. Respondant, Response, and txtOption. Each respondant, has multiple responses and each response can...more >>

Non fatal SP error causes ADO recordset to be nulled?
Posted by TJ Stirn at 12/15/2003 11:56:13 AM
Greetings, Here is the problem: We have a stored procedure that selects a set of candidate rows. It then attempts to lock the candidate rows via inserts into a lock table. If a row is already locked we handle the pk insert error within the stored procedure and remove the candidate from...more >>

DataTable.Clear() throws System.ArgumentOutOfRangeException
Posted by TALDeveloper at 12/15/2003 11:31:07 AM
Clearing a datatable of all data, I would think be a simple task. Does anyone have an idea why the DataTable.Clear() method could throw a System.ArgumentOutOfRangeException. Also, this problem doesn't seem to be consistent or 100% reproducable. Perhaps it depends on the data in the table. Any su...more >>

Inserting a new row in merged dataSets
Posted by deshimam NO[at]SPAM yahoo.com at 12/15/2003 10:48:02 AM
Has anybody come across this? I have a dataset with records of items and depending on itemID, I get price of each item from another table. I am merging two datasets with the primaryKey constraint. I have read all articles on this group to see how to insert a new row in the item and then add a...more >>

sproc DataTable question
Posted by neverstill at 12/15/2003 10:37:55 AM
Hi- I was just preparing to use some of the Stored Procedures that I've been working on for my asp.net application. it appears that you can't get a DataTable or DataSet back from SqlCommand.Execute(). Why? I can get a DataReader, but I don't want to have the connection still open. How ...more >>

newby question about connection strings
Posted by mkiger at 12/15/2003 9:41:20 AM
Hi Here is a sample connection string from one of my study guides "data source=bean; initial catalog=Northwind;integrated security=SSPI; persist security info=false What exactly does the 'SSPI' mean? I can't seem to find out anywhere...more >>

Timestamp Datatype issues
Posted by IntraRELY at 12/15/2003 9:38:11 AM
I am having difficulties with a SQL 2000 TimeStamp column and my vb.net application. I am getting various Cast errors. It isnt clear to me what datatype to use when assigning the TimeStamp return value to a variable. Here is my code when recieving the return value from a stored procedure. I d...more >>

Reading data from Oracle with Microsoft Managed Data Provider For Oracle
Posted by Andrei at 12/15/2003 8:51:07 AM
Hi all! I have a strange problem with reading the data from Oracle 8.1.7 sever with Oracle 9.2.0.1 client using Microsoft Managed Data Provider For Oracle ver. 1.0, build 1.0.3300.0 (I'm using Framework 1.0). Furthermore I have experienced that problem on Win2003 Enterprise station but not on Win...more >>

Windows Form and Datagrid style functionality regarding adding new rows
Posted by Mike Quernemoen at 12/15/2003 8:50:04 AM
Hello, I've got a form with fields bound to a datatable in a dataset. I'm using the bindingcontext.position to determine which record in the datatable is displayed. To display the next record in the table I have a button click event perform the following. form1.bindincontext(dataset,datatab...more >>

Exception when closing SqlClient connection in a distributed transaction
Posted by smo_news NO[at]SPAM hotmail.com at 12/15/2003 6:12:59 AM
I am using distributed transactions without using COM+. My code works with OracleClient and our home grown ODBC wrapper, but not with SqlClient. I get a type cast exception when closing a SqlClient Connection that participates in a distributed transaction: Exception: System.Reflection.TargetIn...more >>


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