Hello I have a lookup table in my database like this: tblLookup LookupType LookupValue Suppose that lookup type is Language Spoken; Country; Gender etc.. and I want the individual combo box to list only the values of one type. So I can have a combo for each: LanguageSpoken...more >>

What is the easiest way to bind a dataset to a listbox control and assign the selectedValue & selectedText to the fields associated with my dataset. Any ideas or examples? i.e.: lstUsers.SelectedValue = ds.Tables[0].Rows[i]["userID"] lstUsers.SelectedValue = ds.Tables[0].Rows[i]["username...more >>

BlankI have a WinForm app that uses a datagrid which is bound to a .Net = dataset. After data is entered incorrectly into one of the datagrid = cells and the update button on the form is selected, I get an embedded = message box displaying the error, e.g. "Error when committing row to the = ori...more >>

Greetings I want to display a listbox on the form which will include two columns from the data table" FirstName" & "LastName" What I've done now, is modify the DataAdapter to include two additional colums as: [FirstName] + " " +[LastName] As NameFN [LastName] + " " +[FirstName] AS Name...more >>

Hi, I would like to bind the following data structure to a datagrid: List of RowObjects = DataSource | |* RowObject | |* ColObject (Fields = Name, Value) I would like the elements of ColObject to display as the columns of the grid, ...more >>

Hi All, Is there really a way of binding a DataReader to a Datagrid in a Windows Forms Application?.I know that in ASP.NET ,you just simply set the datasource and call DataBind() method. Thanks ...more >>

I set the Text Property of a databound textbox programatically but the value is not getting transferred to the underlying dataset. Is there is a way to force databinding to kick-in ? please... ...more >>

I have a problem synchronizing a DataGrid with my other form controls, ie textboxes, using the VS 2003 IDE. I have a typed DataSet based on Customers in Northwind. I drop my DataSet component on the form. I then connect my DataGrid to the DataSet (in Design). In code I fill the DataSet. Every ...more >>

I have a label on a small form. I need to determine if the text in the label fits in the label. My end goal is to reduce the font size of the text in the label until it fits. How can I do this via code? Thanks, -Dave ...more >>

Hi All, I know this has been discussed (and answered) in other threads, but I'm still not getting the functionality I need. My app is a C# Windows App, with a MS Access DB. My app communicates using TCP/IP to a black box we are developing. What I want to happen is the user changes a reco...more >>

I have a custom strongly-type collection that is inherited from NameObjectBaseCollection and implements ISerializable, IEnumerable, IListSource and IList. I can databind this object to a data grid just fine, however, when I make when I add or remove an object or Clear() all of the objects in th...more >>

Hi. I am binding a collection of objects to a combo box and have set the DisplayMember to a property of the child objects. This is working fine. However if the property is changed in code the text in the combo box is not updated to reflect the change. I have added a property changed event to ...more >>

Hi. I have a type that I am binding to a form. One of the properties is an enum and I want the user to be able to select the value from a ComboBox. I am trying to do this using inbuilt data binding rather than coding up the plumbing to change the property value myself. Basically, I want to bin...more >>

Hi, I have some simple dataentry screens, textboxes are bound into a datasource. I connect to Sql Server 2000. When the user wants to add a new record, I call "AddNew()" method of bindingcontext but it gives me an error saying "CustomerId cannot be null value". This field is int and does n...more >>

I have a form which is the result of using the Data Form Wizard. I have added a text box which allows the user to search for a record and go for the nearest record. For example if the user where searching for product name and typed "W" it would go to the first record that starts with W. Whe...more >>

Using VB.NET, I have a TextBox bound to a Dataset's DateTime Column. I've added Parse and Format handlers to the binding, and have added code to the TextBox Validating Event. During validating, the Date entered is checked for its Year and, if too old, e.Cancel is set to True. However, even when ...more >>

we have a form with a lot of controls ( 30 controls ) which are bound to a dataset. to reduce network traffic we load the data from the database line by line. Example: dataSet.dataTable.Clear(); dataAdpater.SelectCommand.Parameters["ID"].Value = CurrentID; dataAdapter.Fill( dataset ); aft...more >>

Hi, Is it possible to check the data just before it is bound to a datagrid? I.e. I have a large table of numbers which I bind to a datagrid. What I want to do is to check for each cell what the value of the number is and do something to the color of that cell if that value is lower, inbetwee...more >>

Hello everybody I using an dataview rowfilter expression to filter some record from one dataset, is I only working with the date portion no problem, but how do I use the date and the time for filter some records ? the code that I have is like this one: crit1 = "fecha >= #"+dtpDesde.Value.To...more >>

Hi! I have 2 texboxes with binded Text property to my class property. When my textboxes are placed on one tab page everything is OK. But when i place each of them on another tab page, and I try to set my binded class property to some value - and this property is binded to textbox placed on...more >>

Hi again, I have another question... I have some business classes that contains some fields, and I know only at run time which fields of those business classes I have to display on my grid (it depends on user choices, and I can have fields coming from different business classes to display in ...more >>

Hi group, I have a class which inherits from CollectionBase and implements IBindingList. I have bound this class to a data grid using the 'datasource' property. My class is named 'PersonneCollection' and is a list of 'Personne'. My 'Personne' class has several fields like name, age... W...more >>

perhaps someone could help a newbie with his big problem. i have an arraylist with objects (class i made with two properties). and i'd like to bind it to a datagrid. there are 3 buttons on the form which should works as add, edit and delete. the problem i have is everytime i use these buttons,...more >>

In ASP.NET 2.0 how can a textbox be bound to a SQLDataSource? I have tried using DataBind and Eval, but the results are always empty....more >>

Hi, I am binding a property back to a class as... this.checkBox1.DataBindings.Add( "Checked", m_myBindings, "Check1" );=20 When I change the class Check1 value I want my checkBox1 to refect that = change. How do I "tell" the checkBox1 that the underlying property that = it is bound to ha...more >>

I have a textbox with binded 'Text' property. (to Value property of my class) How can i recognize (in TextChanged event) text change source - i want to know when user changes text, and when text change is caused by binding? Pawel...more >>

I am using Visual C++.Net. I have connected the textboxes to sqlDataAdapter and Dataset dsOwnerAnimal1. the Winform has several textbox's to enter data. I can display the data in the sql database, but I cannot figure out how move the data to the database. I first clear the fields in the 'Textb...more >>

I have a form that provides UI for searching a table. Rather than re-implement essentially the same form for each of various tables, I have implemented a class to represent each search domain, eg to search the Region table you instantiate the RegionFilter class and pass a regionFilter object ...more >>