hello when I enter data into a bound control, but the datasource has no items, the data is not saved anywhere and lost. How can I avoid someone can enter some data into an bound control, what is not positioned to an vaild current field in the datasource. thnaks ...more >>

I have a comboBox bound to the particular field in datatable, I also can have many other controls. CurrencyManager's Position property holds the current position. I want to change it manually based on SelectedValue selected in comboBox. How can I know the position of currently selected value?...more >>

Hello everyone, I want to set a business object to readonly status, let me explain my point : I want to edit a business object, so I use a BindingSource to put this object as a datasource. Depending cases, I want to show on the same Usercontrol the same data, but in read only. Properties ...more >>

If I had some XML that was structured something like this... <data> <selectedValue id="1235"/> <valueOptions> <valueOption id="1234" name="Option 1"/> <valueOption id="1235" name="Option 2"/> <valueOption id="1236" name="Option 3"/> </valueOptions> </dat...more >>

Hi there, maybe this issue has come up before, however, I didn't find a similar post... I am building an example app to check out the databinding to objects, in combination with an object db and using VS 2005. I have a typical inheritance structure in my domain model as follows: abstract...more >>

I'm stuck on this in two places of my code, and after struggling and searching, I haven't figured it out yet. I have two linked tables; a field in my master table becomes a linked field in my second table (e.g. customerID, second table for customer orders uses customerID in each entry). Wha...more >>

Through the help of this newsgroup I've added capability to have my forms update if the bound data source is updated from a different thread. Fantastic! However, not all my controls are bound to the data, particularly the RadioButtons. As an example, I have an enumerated value that is set ...more >>

Using VB.net express 2005 One of the fields I will need in my database is a duration (length of short AVI video clips, ranging from 10s to maybe 10min). I figured I should use a date/time format and just format the view to "hh - mm - ss", but in initial tests, I'm getting the full date show...more >>

Very new to dotnet, using VB.net express 2005. I created two tables, starting with only a few fields to get the tables started and key fields (foreign key fields, etc.) linked. I went back to add a few more fields, and added them just fine to the table definition view (allowing nulls for th...more >>

Hi all, can anyone tell me whether it is possible to use simple binding between the selected value of a DataGridViewComboBoxColumn and a DataTable column? My specific scenario is something like this: I have a strongly typed DataTable (MTGUIData), which contains various columns of type...more >>

Hi there! I just can't find the problem and therfore solution. The issue is very important!!! In .net 2005 I've built a windows application with form . Inside the project i've attached the .mdb file , wich afterwords i've connected threw server explorer and pulled it to an .xsd file i've create...more >>

Hi, Env: VB 2005 Prof, SQL Server 2005 In our application we have to import data from a textfile using transaction scope. This textfile only contains valid SQL Statements (Inserts, Updates) generated from another application. This works fine as long as the SQL Statements are in a single l...more >>

I am having trouble with not being able to Check the Generate Insert, Update, and Delete Sql Statements; in the Advanced SQL Generation Options Dialog Box. If there is some configuration settings in the visual studio Web express editions that allows me to turn it off or on then could you answer...more >>

Hi, I have several business objects I'm needing to run reports against. I haven't had any problems creating simple reports going against one or two objects, but I have a summary report I need to generate and it's driving me nuts. At the top level, I have an Estimate object which contains ...more >>

hi, i have a simple table, and want to display two views of it. one all the records, one a selected subset. i have created 2 stored procedures that return the correct rows. on my form, i have two datagridviews, each based on the table's binding source. I want the first dgv to display all ro...more >>

I've got a datagridview bound to Sql2k database. When the image columns return null, I get the goofy looking [X] in the column instead of a blank. Anyone know how to make that just appear as empty instead of the default [X]? I would also like that to appear as empty when I insert a new row i...more >>

When you hit a toolbar button from a databound control, its Validating event doesn't fire. The original control retains focus. Is there a workaround for this?...more >>

Having a problem with the initial display of a datagrid control in my c# app created with vstudio 2003. The control comes up with only a header containing an arrow and a 'plus' box, clicking the plus drops down the name of the stored procedure the select command is bound to. Clicking the sto...more >>

Hi There All, I wonder if somebody could possible help me a little with my "Very Simple" project that i just can get to work. I`ve been searching Google for about 2 weeks now but can`t find anything that seems to help me:( My Project is a simple Address book. I have 3 Tables, with a Data-Re...more >>

..Net v1.1 Hello, Not sure what the best way to go about this is. I have a datagrid bound to a datatable. One of the columns is a 2 char code. This is how it comes from the database. In the datagrid, rather then show the code I would like to show a description string that can come from a lo...more >>

Is it possible to bind a listbox to a child table so that it will only display the child records based on the current parent record? ...more >>

Hi all :) I've got a strange binding problem that I can't seem to solve. I've got the following structure: Customer.ContactData.EmailAddress where Customer and ContactData are classes and EmailAddress is a string. When I bind a simple textbox to ContactData.EmailAddress and I click new on ...more >>

I have designed a custom type : public abstract class Numeric { private decimal value; public Numeric(decimal value) { this.value = value; } public decimal Value { get { return value; } } public virtual uint Size { get {...more >>

My problem... I have a grid in which I'd like to highlight the contents of cells which have been altered. Sounds easy enough, you say... I've got a DataGridVeiw which has a BindingSource as its datasource. This BindingSource has a Filter applied. The BindingSource has a DataTable as it's datas...more >>

I have a form with controls that bind to an object declared in the form. I have a communications class that is receiver driven. (to get data I have to send a command). How can I have the receiver thread manipulate the object my form controls are bound to? Eg. namespace myApp { ...more >>

I am binding a combo box to an array list and the combo box is showing the name of the class objects in the ArrayList rather than the ValueMember and the DisplayMember. The code is below. I use this same code for 15 other combo boxes and it works fine but for this one combo box seems to have a ...more >>

i am using textbox for entering name and other for entering pincode. i can do the javascript validations for checking that entered values are characters or numeric only. but it will be perfomed as soon as i presses any button. but i want to performe the validation in such amanner that it mu...more >>

i am using dataGridView in my project,this datagridview is unbound means it is not populated with the data from the table on load function, i am self entering the data in different cells of the datagridview. Entering data is not the problem,like i am writing the numeric value in 'qunatity' cel...more >>

I have a a DGV with data populated from a data source DataTable. The DGV also has the edit row at the bottom of the data. What I want to do is make sure that if the user pastes data into the edit row, that the edit row is no longer the edit row, I want the data pasted to that row committed to ...more >>

Hi, I am using DataGridView for displaying data I want to some idea about the following 1. How to split and merge cells in DataGridView 2. How to place column header in the bottom of the cell because by default it is coming as top of the cell, how to change the behaviour of the datagridvie...more >>

I am trying to create a custom DataGridView control that displays data from a DataSet, but with the additional functionality that it shows "headlines" in the data. Example (pardon my lack of ASCII art skills): --------------------------------- | Name | Age | Oranges | ---------------...more >>

Hi, I can't find a way to catch something like a "start edit" event on a bindingsource. This class has a EndEdit() method, that means it "knows" that editing has been started... But how to be aware of this ? bindingsource events doesn't seem to make the job. Any idea ? thanks. -- /...more >>

Hi. I'm experiencing some strangeness with the SelectedIndexChanged event firing on one of my listboxes. Here's the scenario: I have a listbox that is bound to a bindingsource, which in turn is bound to a dataset's datatable. I also have a checkbox that is unbound. In the Checkbox_Che...more >>