VS.net 2005 designer question: I have a collection of business objects (Customers) bound to a datagridview. I want to bind a column in the datagridview to the property of an object (HomeAddress) contained in the Customer business object. For example: Customer.HomeAddress.State I have set th...more >>

Problem: I have two DataTables linked as parent and child via BindingSources, where the child BindingSource uses the parent BindingSource as DataSource and the foreign key relation as DataMember in order to provide for proper observation of parent child relations in the form. When I want...more >>

Hi I had a working vs 2003 application with access backend. I added a couple fields in a table in access db and then to allow user to have access to these fields via app I did the following; 1. Regenerated the data adapter sqls by running the data adapter wizard and pasting the resulting...more >>

I have a form which is bound to a datatable via a bindingsource. i want to have a combo box that as the first item in the ComboBox has a display value of "Pick One" for new records. Because I have a lot of ComboBox's I made some helpers. public static void ComboBox_Load(ComboBox comboB...more >>

I have a Datagridview with a dataTable as DataSouce. The Datagridview automatically show all the columns in the datatable. Is it possible just to show one or two columns out of says, all 5 columns in the datatable? Thanks. -- Message posted via DotNetMonster.com http://www.dotnetmonster.c...more >>

Hello, What I'm trying to do is simple, I'm trying to force a dataview to = refresh its data from a dataset. Here's the overall situation, I have 2 = tabs on my form, one for inserting new placements and one for modifying = existing placements. After I add in a new placement on tab 1 I want ...more >>

Hi I have two data adapters bound to two separate tables. How can I; 1. Loop through all records one by one in one of them while reading column values, and 2. Insert a record from data adapter A into data adapter B via code? Thanks Regards ...more >>

i have a DataGridView control that is being used to enable users to edit a list of patient demographics. it has 2 columns and several rows, each mapping to a different patient demographic. because each row maps to a different patient demographic, you can think of column1 as 'PropertyName' an...more >>

Hello All, I am developing a Windows Form to allow master/child records to be viewed and edited in a SQL Server 2005 Database. I am developing in Visual Basic 2005, and am running into a bit of a problem. Simply put, I can not get the value from a hidden textbox control on the form. Thi...more >>

How to binding the ListDictionary to combobox? I have a simple ListDictionary named as "myRecStatusList" and contains values as: Key Value ---------------- Active A Inactive I I tried to binding with combobox as: How to binding with combobox? ...more >>

Hello, Im quite new to c# windows application. i need to write a application which stays on the systray and listens to the SQL Table. (when the value is inserted as 0 - done thru Dataset and check it every2 seconds?) i need to open another application thru command prompt and pass the parame...more >>

Hello Please help me... I have created an object and implemented the IBindingList. The object is as follows: 1 project has many Sections 1 section has many items, 1 item has many lines. I have bound this object to four datagridviews to display the master-detail reationships. (Thanks ...more >>

I see the BindingSource has properties for AllowNew and AllowEdit. I couldn't figure out how to set these properties. In my Form Load event I did the following but it had no affect, The BindingSource still had AllowEdit as True. private void Form1_Load(object sender, EventArgs e) ...more >>

Hi, I have a db field that contains a password i would like to run a function to decrypt the value before its returned to a bound textbox and before the field is updated encrypt the contents. Is there an easy way to bind a field but modify the contents as its being passed to/returned fro...more >>

I have created a new Control that has a property called "Value". I am data binding to this and have set the binding update mode to "OnPropertyChanged". The problem is that the binding does not get updated as soon as there are changes. How does the binding know that a property has changed?...more >>

Hi, I'm looking to find an efficient way to make our business layer be bi-directional Bindable to our UI layer. I'm familiar with the "INotifyPropertyChanged" interface, but working with this interface will force me to call the "OnPropertychange" in each one of our existing classes properti...more >>

Hello. I have been doing quite a bit of research to try and find out the best way for me to bind my object to 3 datagrid views (and other items on my form). My object is as follows, 1 project has many sections, each section has many items, and each item has many lines. The first datagrid ...more >>

Hi I have a check box list box on a windows form. How can I data bind it to an access table. I don't need a multi-tier solution. Just a solution. Thanks Regards ...more >>

Hi For my db app, I need to save the location of the db (really a windows path) which normally only needs to be set at the first app start (I can check if the setting is missing and ask user for a value). Occasionally (once in a blue moon) I may need to change this setting in case db is mov...more >>

Hi All, I'm looking for a gridcontrol like in Access with a plus sign (+) to drilltrough datarelations. Anyone knows where to find such a grid? I thought it was a standard MS-Grid control but can't find it anymore in VS2005 (.NET 2.0) I can reference the old gridcontrol(.NET 1.0/1.1) but...more >>

When you bind a data source to a control the binding data source update mode defaults to "OnValidation". I find this a pain and I would prefer the default to be "OnPropertyChanged". Does anyone know if this default could be changed or how I could go about overriding this behaviour. e.g. usi...more >>

Hi All, Hope you all fine? Can I ask you all a quick question? I`ve been trying to get concurrency to work for my project in VB2005. I have the following code, which to be fair i`ve got so lost with but here it is: Private Sub BTADSL_Load(ByVal sender As System.Object, ByVal e As System....more >>

Hi all I've created a control dereiving from another control. This controls has data binding ability. Is it possible to be notified in code when the databinding actually is completed? I need this in order to perform some action based on the value that the control contains when loaded. My...more >>

Hello there, I have some TextBox objects with CauseValidation = true and bidirectional DataBinding to some data source. Textboxes are properly updated from data source also after data source changes. The problem is, as soon as a TextBox Text is edited, it is not possible to leave the Textb...more >>

Hi, I have a web page with an SqlDataSource and a GridView. The SqlDataSource has a parameter "WebId" which is the current members unique id (from MembershipUser.ProviderUserKey). My question is how do I bind the SqlDataSource parameter to the current members ProviderUserKey? At the m...more >>

I have a TextBox bound to a dataset that is generated from an SQLServer table that contains a "uniqueidentifier" column The DataSet column type is "GUID" - it isn't a primary key or unique value. The TextBox will display the GUID, but when I try to modify it, it lets me type in the new GUI...more >>

I have the following problem with the BindingNavigator Control in .NET 2.0: I first fill a DataTable with data from my database, inclusively database schema. After that i bind it over a BindingSource to the BindingNavigator. When I now add an new record (by using the desired button of the Na...more >>

This should be simple but I'm running into a problem somewhere along the lines. Here's an example: public class Test { private string caption; public string Caption { get { return caption; } set { caption...more >>

VS2005 data binding wizard will recognize and list the extended control property 'MyProperty', which is defined and exposed via IExtenderProvider component on the form. The databinding wizard allows you to choose this control property and select a binding object property to bind to. In other...more >>

Dragging the entire table from the Data Sources tool window onto a blank form, I've created a standard "Detail" form (not DataGrid) with TextBoxes bound to a Binding Source and a Binding Navigator at the top. How can I determine if the user has changed the data in the current record in orde...more >>

This fails with the dreaded "DataGridViewComboboxCell value is not valid" Why?? namespace wintest { public partial class Form1 : Form { public Form1() { InitializeComponent(); BindingList<foo> foos = new BindingList<foo>(); foos.AllowE...more >>

Hey there everyone, I am new to .Net 2.0 and rusty at wondows programming. I have been doing web development for the last 5 years. Anyway, I am working on a windows forms project and can't figure out how to access the data in a cell within a datagridview. Can someone show me the steps to d...more >>

How do I get rid of the row indicator column on the left hand side of a DataGridView? -- Thanks... Mark ...more >>

I have been building my first app where I really rely on databinding. So now if I go to change my databindings, or try to assign a binding source, VS.Net says "Object reference not set to an instance of an object" To get this error, I did this: 1) Add a new form to my project 2) Drag one...more >>