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all groups > dotnet windows forms databinding > june 2004

Binding to a dotnet Winforms Treeview Control
Posted by Vaughn Haybittle at 6/30/2004 5:52:38 PM
Hi I am trying to populate a Treeview Conrol dynamically. Is it possible to create a Treeview control that is populated by binding it to some sort of Data Source, preferably an XML file, or alternatively a Dataset. If so can the binding be done to reflect the relationship between different...more >>


Combobox and databinding
Posted by ktuel NO[at]SPAM streck.com at 6/29/2004 10:58:10 AM
I am getting what I consider an odd error when using a databound combobox. I use 1 dataset with 4 tables, each filled with a different data adapter. 3 of them are lookup tables which are bound to 3 different combo boxes. The 4th table is the main table (Equipment) of data. I then bind many d...more >>

When is a dataview refreshed?
Posted by patrice NO[at]SPAM cnghotels.com at 6/29/2004 10:13:52 AM
Hi all, I created a DataView of a DataTable from a DataSet. I am using the view as the source for a datagrid. The sorting of the view is based on two of the datatable fields. Now, if I modify the values of these fields programmatically for some of the records contained in my datatable, does t...more >>

grid data building
Posted by jay widman at 6/27/2004 1:07:57 PM
We have a data table bound to a datagrid. In the data table, there is a column of type decimal. Since any decimal in this column will always be a whole number, we want this bound decimal to be displayed in the grid as an integer. We know that we must modify the Format definition for that co...more >>

delete row from datagrid
Posted by zerrifi NO[at]SPAM yahoo.fr at 6/25/2004 4:06:09 AM
please i really need your help.actually i'm working with a datagrid in visual C++.net and i know how to update and add a row within the datagrid and into the database(access in this case) using getupdatecommand() and getinsertcommand(). however, i've tried several codes for deleting a specific r...more >>

DataBinding question
Posted by Mika M at 6/24/2004 1:55:58 PM
Hi! Is it possible to add automatically certain text bound context in object if object is 'readonly' type like Labels? I mean when I bound Label like ... lblRecordID.DataBindings.Add("Text", dv, "ID") .... it shows me number for example 5 - ok - but add automatically word 'Record' with...more >>

Custom 2 Level Data Binding
Posted by David Hoffer at 6/24/2004 10:31:26 AM
Hello, I do not want to bind my DataSets to my UI controls because my database schema will change often. I want to have another layer of Business Object between my UI and my database (datasets). As my db schema changes I can localize all code changes to the mapping between the dataset and th...more >>

dataset exception
Posted by alexk NO[at]SPAM mailinator.com at 6/24/2004 7:06:58 AM
Hi, We have the following situation: The application has many forms and one dataset which is shared by all forms. When forms are initialized, the form controls bind to the dataset. At some point, we need to do a dataset.Clear() - and exceptions are thrown. (ObjectDisposedException for "Co...more >>



ANN: Intersoft Lab Starts Sales of Contour Products Version 2.0
Posted by info NO[at]SPAM contourcomponents.com at 6/24/2004 4:47:17 AM
June 23, 2004 Dear developers, Intersoft Lab announces the immediate commercial availability of the new product versions: - ContourCube 2.0 ActiveX - Contour CubeMaker 2.0 In this announce, you'll find top features added to the new versions of Contour components and tools, as well as of t...more >>

Setting encoding type for parser Microsoft.XMLDOM
Posted by Lamberti Fabrizio at 6/23/2004 7:00:54 PM
Hi all, I've got this problem. I must setting the encoding type for the parser Microsoft.XMLDOM by = JScript or VBScript coding before loading some datas xml formatted. I've tried to use method createProcessingInstruction that is perfect to = set the version of xml Dim xmlList, objPI, ob...more >>

dataSet.HasChanges and TextChanged event
Posted by Steve at 6/23/2004 1:18:17 PM
Hi all I have been trying to find out what the problem is with the dataSet.HasChanges property. It only seems to be updating the second time I change something. I have done some tests and have seen that, if you call the EndCurrentEdit for the data-binding and then call the HasChanges, it will ...more >>

DataGrid & IBindingList Binding Problem
Posted by David Hoffer at 6/23/2004 9:08:06 AM
Hello, can someone help me? I have a DataGrid of which I assign its DataSource property to my custom list object that implements the IBindingList interface and inherits CollectionBase (I followed the CustomerList example in the msdn docs). Everything seems fine when I run my application exce...more >>

Expand/Collapse Datagrids in VB.NET
Posted by pnmm NO[at]SPAM portugalmail.pt at 6/22/2004 2:02:30 AM
Can someone help me out with datagrids in vb.net that can expand and collapse, show and hide rows? Can i code it by myself or should i use another downloaded component? And by the way, how can i put a combobox control (and others) into a datagrid, besides textboxes and checkboxes? Point me ...more >>

Limitation to combobox items
Posted by DCraig at 6/21/2004 10:52:06 AM
I'm working on a database interface that will use comboboxes and datagrids extensively and I keep running into problems. Doing a test with the combo box I have a query that selects about 150,000 records from a table but the binding fails. Limiting the results (select 10,000) or going to a sma...more >>


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