Hello, I have a small Windows Forms application that has a DataGrid object bound (through the DataSource property) to a DataView that is linked to a DataTable from a local instance of a typed DataSet. The DataSet is updated dynamically, by another thread in the same process (that creates ne...more >>

If I define my own classes for an object "Test" and a collection of those objects "TestCollection", what do I need to add to the class to let me set the collection as a datasource for a listbox and have it automatically update whenever an item is added/edited or removed from the collection? He...more >>

I have a column in my table called "Default". There can only be one row where Default = True. My datagrid is bound to a DataAdapter representing the table, I have the Default column represented by a DataGridBoolColumn. The DataAdapter is filling the table properly, and I can navigate, addnew ...more >>

When binding our dataset to our datagrid we want to first put the data through a routine. For example, a certain DB2 field is a code like 127. When it's 127 I want to display "All day". Any suggestions on how to format data in a grid by running it through a custom "if" statement? Thanks ...more >>

Is it possible to access an ACCESS DB with password protected? I have the user/password information of an access db, how can I access it by System.Data.OleDb ? Another question is, is it possible to compact a access db by a System.Data.OleDb ? Thank you very much! ZhangZQ ...more >>

Hello, I have a dataset populated using an XML file. The schema has hierarchical components. I have created a datagrid and I have assigned a datastyle and then gridcolumnstyle for all columns at the parent level. I have created a datastyle for every child level and I have assigned also gri...more >>

Hi all, I tried to create and fill a listbox in Delphi specifying DataSource, DisplayMember and ValueMember properties. But I got a error "Could not bind to the new display member". Then I found an example in Delphi help (only for VB or C++ for some reason!), translated it to Pascal and got th...more >>

BindingContext, CurrencyManager, PropertyManager, IBindingList, ... Is there a good tutorial that covers data binding from the basic = concepts to advanced operation? Thanks, Alex. --=20 Address email to user "response" at domain "alexoren" with suffix "com"...more >>

Hi, I have implemented a class hierarchy similar to the DataTable - DataView structure, I have an ObjectCollection (implements IList, ICollection, IEnumerable) and a Object, then an ObjectView (implements IList, ICollection, IEnumerable, _IBindingList_, _ITypedList_) and an ObjectViewItem...more >>

I have a form that uses databinding to update a database table. One of the fields in the table corresponds to multiple checkbox controls in the form (Flags Attributes). How can I perform the databinding in this case? Thanks, Jeronimo Bertran...more >>

The documentation says that the return is an int. (C#). I assume that this is 0 based, so what does one do if the find fails. Throw an exception? Is there a standard exception to throw or do I make one up? Thanks ------------------------------------------- Roy Chastain KMSystems, Inc....more >>

Hi, All I have a datagrid binded to a datasource. I want to display a combo box having list of values from a parent table as a lookup field in the same grid. How is it possible. ?? TIA ...more >>

Hi, I have a dataset that may contain DBNulls, how would i go about binding these to a checkbox so that if the value is DBNull it is interpreted as false?? Thanks Chris...more >>

Hi All, As still rely with ADODC and ADODB since VB6's track. Anyway for us to do databinding by using ADODC rather then DataSet, Adapter ....etc? Thank you. ...more >>

I have an ArrayList that contains multiple instances of one type of object. These objects have public properties that can be read and written. How do I get these properties to display in columns in the datagrid? I have bound the arraylist to the datagrid and I have tried defining a tablestyle...more >>

Hi, On my form The user enters data into a textbox and then clicks on the button this opens form2 with only a datagrid. The datagrid contains data from a sql database. The first bit of data I pass is on form1 which is the textbox1, this is to perform the search on the db and put the results into...more >>

I have a simple winform. On the form, I have a DataGrid and a Textbox, along with a typed (and filled) dataset. First, I add a databinding to the textbox, binding it to a field in say... Northwind's Customers table. Then I databind the datagrid by setting the Datasource property to "dsNorthwin...more >>

Hi, To start, I need to explain the way information is setup within my tables. I have three tables linked as parent/child relations. The first, or parent, is my Properties table, and the Property's table child is the Units table, and the Unit's table child is the Requests table. Now, within th...more >>

Hi, Below is my code for setting up a parent/child relation. It seems to work as far setting up the relation is concerned. For instance, I'm using a DataGrid with navigation and I can move from the parent to the child tables and back etc. However, when I delete a row in the parent table, it do...more >>

Hi, I have a situation where I've Databound the SelectedValue property of a ComboBox to a property of another object. Works fine except that the value of the property that I'm updating doesn't really get updated until I exit the ComboBox. So... I hooked the SelectedIndexChanged event fr...more >>

Greeting, I have my forms that have a connection to an Access db with all the connections created by the wizard. No problems with the operations of the forms in the design environment / machine. However, when I deploy the program I will not control over the connection string. I have used ...more >>

I appologize if this is not the correct group for this question. If it isn't please direct me to the proper place. Ok, I'm on the steep part of the .NET learning curve, so when you see my stupid mistake, please forgive me, but I'm truly stuck. I've created a form with a datagrid that displa...more >>

Hi, i have a databound checkbox to a boolean field of a datatable. When i uncheck it i need to modify also another field of my row. This is the code i use: .... this.checkBox1.DataBindings.Add(new System.Windows.Forms.Binding("Checked", this.dataSet11, "myTable.myBool")); .... private vo...more >>

I'm new to VS. I'm using C# so far. I would like to know the preferred way to set up a data connection and grid that allows for editting. So far I've got data showing in a grid using an odbcDataConnection, an odbcDataAdapter, a DataSet, and a dataGrid. I've noticed that the DataAdapter has...more >>

Hello, I have created form with data form wizard in VB .Net 2003. I have bind some text box and combo box and it runs properly, but when I am binding DateTimePicker Control with following property it doesn't work : Value Property :- <dataset name>.<Field Name> Any suggession will be appr...more >>

Hello you all, I'm running a network with Win2000 Server (SP3) and Win XP workstations (SP1). I created an application in VB.Net where I use an Access-database. To access the database I use an ODBC-Connection, an ODBC-DataAdapter and a dataset. The data is displayed in a datagrid. The fo...more >>

I'm having a hard time finding the answer to this question. I've done my best to Google for news group articles or blog entries about this but all of the ones I can find simply have the question and not the answer. I have faith though that someone knows the answer, as I can't see this as a min...more >>