Hello, I have two classes A & B public class A : B { private string lastname; public string LastName { get{}; } } public class B { private string firstname; public string FirstName { get{}; } } Class A inherits from B. Whe...more >>

Ok so i've added a ddl to a datagrid in vs.net using the template controls provide in the ide. How then do I bind that ddl to a field in an access database. Incidently, by binding the control, that means it should drop-down all values stored in each record or can I limit the values say by a ...more >>

Hi I have a collection that inherits from collectonbase, implements IBindingList. and is serlizable. I am binding the collection to a Datagrid using a tablestyle to limit the data the datagrid displays. I can bind to the collection successfully. If my collection has one object. When I click on...more >>

I have a collection of users that i want to bind to a grid. This works fine if i just set the datasource property of the grid to my collection. But, the columns are not in the order i want them and i dont want to display some of the columns, so for example, if i had the object 'User' as: id ...more >>

Without to many boring details. What I am trying to do is return a dataset object from a funtion called asynchronously. Then use that dataset as the datasource for a datagrid. Alright here is the boring details anyway just in case you want them. What I have currently is the function (MergeDa...more >>

Hi, I have a DataGrid with a DataGridBoolColumn(checkbox) column bind to a DataSet, mapping source type is a SQL bit data type. I want to save the changes(checked or unchecked) to the database. My problem is the DataGridBoolColumn does not seem to save the "1" or "0" value to the DataSet...more >>

I've done the example in "Microsoft Knowledge Base Article - 312045" exactly as printed - except for changing the connection string - and the code in the handler for the ItemChanged event never runs. The code connects to the database, binds to the controls, and navigates properly. Everything...more >>

I have a windows forms which has 2 editor controls.. A text box and a Combo MyTextBox.Databindings.Add New Binding("value", "dsOrders", "Orders.ContactName") MyCombo.Databindings.Add New Binding("value", "dsOrders", "Orders.CompanyId") The Textbox is bound to the Contact Name and the Co...more >>

Hi guys, I tryied to bind a dataview to a combobox, but at design time I couldn't. The combo box has a complex binding so, how can i bind to a dataview!! Any help is very apreciated ...more >>

my combobox(cbo_Bezeichnung) is displaying data from tbl_NCC_Gegenstaende. Now if i insert a new record in this table and i want to refresh my combobox with this new added record is displaying with the other records, too. How can i do it. It is very urgent. My source code as follows: SqlCeC...more >>

I have a winform app using strongly typed datasets, and I'm trying to display errors in a column or single row without using a DataGrid, while writing a minimum of code. I am using TextBox and ComboBox controls to display one row at a time rather than a grid, and I already have code that sets C...more >>

Hi All, I have a set of textboxes bound to a typed dataset (ds1). This dataset contains one table which contains only one record. This is an example on how I do the binding for the textboxes: txtDescription.DataBindings.Add(new Binding("Text", ds1.ShareClass, "Name")); When I am about ...more >>

I have a form with a TabControl with two TabPages and a TextBox control = on each TabPage. Each of the TextBoxes are bound to a datasource like = TextBox1.DataBindings.Add("Text", MyObject, "FirstName"). The problem is = that the binding of the TextBox on the *second* TabPage is not active = imm...more >>

Hi. I have a simple datagrid on a form, bound to a database. The dataset that the datagrid is bound to is initialized as follows: dsBankVerbindungen1.Clear(); oleDbDataAdapter7.SelectCommand.Parameters["KTADNO"].Value = currentRecord; //oleDbDataAdapter7.DeleteCommand.Parameters["KTADNO"].V...more >>

Hi all I have created an assembly that I want to install in the GAC. I have created a Strong-Name for the assembly and then used the AssemblyKeyFileAttribute to point to the snk file. I then dragged the assembly from explorer into the GAC and it was placed in the GAC ok. I then go into my p...more >>

Hi Gurus, While binding a control to a datatable I have to create a Binding object and can specify only three properties, namely: the Property Name, data source and data memeber. I have many controls on my form and each of this control should be binded to the same column in the table but should ...more >>

Sorry for the cross posting, but I wasn't sure the best group to answer this question. I've been running my head into this bug for a while now, and I'm hoping that someone out there has a good fix for it. It's a fairly simple bug that really should have been caught previously, although I h...more >>

I developed a small application that could be very useful for Component One. It generates the code to create a windows form from a SQL Script automatically and very beautiful. All the controls are Component One Studio Input, (Input date, Textbox, NemricEdit, etc), all are formatted and create...more >>

Hi Everyone Is it possible to bind an object that contains other objects to a datagrid. For example if I have a person object which exposes as a property an address object, is it possible to bind this to a datagrid, say the name property of the person object and the city property within the ...more >>

I have made my control and I want to show data from base. How can I do that? Thanks, Dada...more >>

Hi I have a set of fields which I have bound to properties from a class. I am not using any context manager or anything like that, simply fields bound to the datasource. How can I add a new record on this form via code? Thanks Regards ...more >>

Hi, I'm bounding a DataNavigator to a DataSet (through DataConnector). The SQL database is stored in the app folder, and referenced to there. But at run-time the App trys to link the DB from VStudio folder and I get this message: "An attempt to attach an auto-named database for file C:\Archivo...more >>

Hi all I have a form with 2 datagrids (master-detail) and a combobox to create a filter for the masterdatagrid. The master-detail worked fine when i used a dataset like this : drelRelation = New DataRelation _ ("drelMasterDetail", dsMasterDetail.Tables("tblMaster").Columns("ID"), _ dsMas...more >>

Hi all; I have created an Windows Forms user control in C# and need to enable it for data binding. How do I implement properties such as DataSource, DataMember and DataField? Can someone be so kind to provide some sample code? Thanks, Djordje...more >>

Every time my form is opened, it is given a brand new DataSet object. This means that I need to realign all of my data bindings to a new object each time the form is opened. Unfortunately the ControlBindingsCollection indexer is readonly, as is all the Binding object's properties. This means I ...more >>

Hi All - I'm using C# and Visual Studio to create an app. My app has a UserControl (self-built) which exposes a byte[] property. I would like to bind this property of the control to an Access database. Currently, the database has only two fields, a text field and a memo field. I am tryi...more >>

Hi All -=20 I'm using C# and Visual Studio to create an app. My app has a = UserControl (self-built) which exposes a byte[] property. I would like = to bind this property of the control to an Access database. Currently, = the database has only two fields, a text field and a memo field. I a...more >>

Hello: I can sort the header column when the grid is display, but how could I programmatically sort a header column in my datagrid? Thanks! ...more >>

Hello I'm filling a combo box (DropDownStyle = DropDownList) by setting the datasource to a object list. When the user selects an object from the list I want a related object to be updated with the selected value. This is almost working, code shown below; _cmbMargin.DataSource = _post.Marg...more >>

Hi, i would have some bound and unbound columns in my DataTable, means the rows with bound column values should be updated to the database and rows with unbound column values are calculated and should not be updated to the database; the update mechanism runs by the dataadapter, so all rows of...more >>

How do I prevent mutiple CurrencyManagers being created? I have a user control which contains a TextBox and a DataGrid, I am binding these programtically to a dataset passed as a property. My user control work fine but other bound TextBoxes (bound with the designer) on the same form are not sy...more >>

Hi, I'm stuck trying to syncronise the BindingContext with a row I have just found in the Dataset that I bind to. I.E. ' This will position the form to a row in the dataset Me.BindingContext(DataSourceRef, DataTableRef).Position = pos ' This will return a row in the dataset row = Data...more >>

Hi, I'm trying to pass a multiline string to a textbox control using databinding, but what I end up with is a string with "\r\n" in it. Using this.textbox.Text = "line1\r\nline2" works, but the same string using databinding doesn't. Any ideas ? Thanks, Etai ...more >>

Hi, a question about bound controls on the form: I'm having a form with bound controls, i.e. Data1, Data2, Data3. When the user changes the value in Data1 the values in Data2 and Data3 need to be calculated and entered automaticaly. I tried to use code like this: me.Data2.text = clng(...more >>

Hi, I'm using an Access DB with a table that has a primary autonumber field, i.e. [OrderID]. I created a form with bound controls on it. When I add a new record in the datatable row(1) gets an OrderID which is the same as in row(0). The problem is that when I'm adding this new record I ...more >>

I'd like to display top level properties and also second level properties in my datagrid. This is easier to explain with an example. Given these two classes: class Animal { public string Name { return "Rex"; } } class Person { public Animal Pet { return new Pe...more >>