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all groups > dotnet ado.net > june 2003

ADO & Binding
Posted by Victor Rodriguez at 6/30/2003 12:47:20 PM
Is there a way to have a windows form binded to a dataset having textboxes,combos and grids all binded to a different datatable and do search on a dataset, clear dataset and reload or add records from a similar dataset and keep the binding? Victor ...more >>

MS Access database on Windows 2003 web server
Posted by Art Levin at 6/30/2003 12:42:43 PM
Hi Kevin, Thanks for getting back to me. I am using C# with asp.net to access the database. Below is the code that I am using to access the two tables. string DataBaseName; string SelectCommand; NameValueCollection coll; coll = Request.ServerVariables; DataBaseName = coll.Get...more >>

Problems running full-text
Posted by Antonio Maciel at 6/30/2003 10:58:37 AM
Hi. I have a stored procedure that runs a query using full-text. In my code, I create a string variable with the full-text expression ans pass this variable to a paramter in my procedure, in order to avoid dynamic sql in my stored procedure. My variable is created this way: strSearchParam =...more >>

Multiple writers / rowlocking
Posted by dc NO[at]SPAM upsize.de at 6/30/2003 9:30:03 AM
Hi, I am implementing an app that will do massive updating on a DataTable with multiple threads. Typically I first look up the row: DataRow row = mydatatable.Rows.Find(key); and then do some updating: row.BeginEdit(); // here is where I get the exception foreach (string colname in c...more >>

Dataset and table names.....
Posted by Jim at 6/30/2003 9:30:03 AM
I have a stored procedure that queries a sql server database and returns the multiple data tables ( 7 to be precise) these tables are the results of many joins. When I use the System.Data.SqlClient namespace objects to access this data it is returned intoa dataset, this dataset has the tables a...more >>

Help setting up ADO.NET connection in VB.NET
Posted by cagonzalez NO[at]SPAM yahoo.com at 6/30/2003 8:35:42 AM
Need help with setting up data connection in ADO.NET. Checked message boards but have not found solution. Any help would be appreciated. Here is my situation: BACKGROUND: I'm using Visual Basic.NET Standard 2002 on XP Pro running MSDE (the one that came w/ Visual Studio). Here is the pro...more >>

Merging a data table, what has changed?
Posted by Tim Marsden at 6/30/2003 8:35:10 AM
Hello, I have a data table ,create from a data adapter. Changes are made to the original data source. I obtain a fresh copy of the data table. I need to establish what has changed between the two copies. If I merge the the resulting table shows all rows to be unchanged. If I handle the ...more >>

How to copy DataRows between DataTables?
Posted by Fabrício de Novaes Kucinskis at 6/30/2003 7:38:42 AM
Hi all, I want to copy or move an existing DataRow wich belongs to a DataTable to another DataTable, but I got the exception "This row already belongs to another table". I tried to use the ImportRow method, but this method inserts the row at the end of the DataTable, and I need to put it at...more >>



SQLDataAdapater Class
Posted by Shakthi at 6/30/2003 7:33:54 AM
Hi Friends, What will be the effects when more number of SQLDataAdapters used in an application. Do they the slow down the application speed? If any other effects pls let me know. Regards, Shakthi ...more >>

Don't use ADO.Net !
Posted by arkam NO[at]SPAM caramail.com at 6/30/2003 4:46:58 AM
Hi, I was just investigating into ADO.Net when I suddenly realized what Microsoft had done ! As long as you are only dealing with one database type and that you are sure that you will keep it for the rest of your application life everything is ok ! Now what about having one odbc database...more >>

not getting stored procedure Output Parameter value in VB.net
Posted by chinns at 6/30/2003 4:00:09 AM
i am not getting the output parameter value in vB.net after executing the storedprocedure. CREATE PROCEDURE Search_Assets_By_String @Search varchar(50), @Descriptive bit, @RC int Output AS IF @Descriptive = 1 BEGIN Select * from Assets where (Name LIKE '%' + @Search + '%' OR De...more >>

Does DataSetHelper support grouping by MULTIPLE columns?
Posted by Brian at 6/29/2003 11:50:59 PM
When I have attempted to use the InsertGroupByInto() method to group by multiple columns, the DataSetHelper class throws a NullReferenceException unless I select the Rollup option (which I don't want). I'm trying to group by 5 columns with only a single aggregate column (count()). When I select ...more >>

DataView Sort
Posted by Bill Burris at 6/29/2003 9:36:52 PM
In the following piece of code from my control, the Sort doesn't work. The foreach processes the data in the order that it appears in the XML file. protected override void Render(HtmlTextWriter output) { _XmlPath = Page.Request.MapPath( @"content\" + _XmlFileName ); _ds.ReadXml( ...more >>

procedures in .NET not working?
Posted by Dev Singh at 6/29/2003 5:24:13 PM
I've got a whole bunch of dim statements which need to be repeated at various stages. I tried to create a public sub, put the statements in there and then add the sub name into the code where the dim statements are needed, but it still says that the whole bunch of stuff that needs to be dimensio...more >>

How to add Attributes in <asp:CheckBox> ?
Posted by Liu Xuesong at 6/29/2003 11:54:21 AM
I want to add Attributes into CheckBox in .aspx page <html> <asp:CheckBox id=3D"ChapterCheck" runat=3D"server" /> </html> How to add Attributes in <asp:CheckBox> ?...more >>

migrating subs and procedures to classes and modules
Posted by dennist at 6/28/2003 10:51:35 PM
please excuse my last post on this which was improperly formatted due to a utility(text cleaner) that I had active. My problem is that I read ado.net step by step, including working out all the examples. In the end, I still can't create generic procedures in classes and modules. I'm...more >>

Best ado.net book?
Posted by Gary B at 6/28/2003 6:13:50 PM
What is the best ado.net book illustrated in vb.net? Thanks, Gary ...more >>

ADO.NET data provider for OODB
Posted by janetupela NO[at]SPAM hotmail.com at 6/28/2003 6:12:31 PM
Hi I'm looking for ADO.NET data providers for object database (not via ODBC). I've found only Matisse (www.matisse.com) so far. Does anyone know anything else? Thanks, --Jane...more >>

How to connect strings in HTML?
Posted by Liu Xuesong at 6/26/2003 1:21:48 PM
<asp:HyperLink ID=3D"DeleteLink" = NavigateUrl=3D"ChapterManger.aspx?CourseID=3D" + '<%# = DataBinder.Eval(Container, "DataItem.course_id") %>' = Runat=3Dserver>Delete</asp:HyperLink> I want to connect the strings with blue, but failed, How to do?...more >>

<HTML> ÖÐ ÈçºÎÁ¬½Ó×Ö·û´®ºÍ±äÁ¿£¿
Posted by Liu Xuesong at 6/26/2003 1:17:16 PM
<asp:HyperLink ID=3D"DeleteLink" NavigateUrl=3D'<%# = DataBinder.Eval(Container, "DataItem.course_id") %>' = Runat=3Dserver>Delete</asp:HyperLink> =D2=D4=C9=CF=D5=E2=CC=F5=D3=EF=BE=E4=B5=C4 NavigateUrl = =D6=BB=C4=DC=CF=D6=CA=B5=CB=F9=B0=F3=B6=A8=B5=C4 course_id = =D7=D6=B6=CE=B5=C4=D6=B5=A1=...more >>


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