I am creating app in windows form. Below mentioned is structure of my list that I am going to bind to DataGridView. I have main list(Student) and inside main list, I have child list(Book) that is to be bind to DataGrid View. So, main list will have Id(int), Name(string) and lstBk(list which is child list).
public class Student
{
public int ID { get; set; }
public string Name { get; set; }
public List<Book> lstBk { get; set; }
}
public class Book
{
public int ID { get; set; }
public string Name{ get; set; }
}
Whenever I bind list to datagrid view, I am getting Id and Name only but not lstBk in grid view row. How do I get lstBk after ID and Name in datagrid view?
List<Book> lst = new List<Book>();
lst.Add(new Book() { ID= 1, Name ="Book 1" } );
lst.Add(new Book() { ID = 2, Name = "Book 2" });
lst.Add(new Book() { ID = 3, Name = "Book 3" });
List<Student> lstUD = new List<Student>();
lstUD.Add(new Student() { ID = 1, Name = "First Name1", lstBk = lst });
lstUD.Add(new Student() { ID = 2, Name = "First Name2", lstBk = lst });
dataGridView1.DataSource = lstUD;
One possible solution is to “flatten” the Book list. If we override the Books ToString method to output the books ID and Name... then we could then add a property to the Student class that creates a single string from all the Books in the list. Something like…
Book Class…
public class Book {
public int ID { get; set; }
public string Name { get; set; }
public override string ToString() {
return ID + " - " + Name;
}
}
Then create a new string property ListOfBooks in the Student Class. This will get shown in the grid. Something like...
public class Student {
public int ID { get; set; }
public string Name { get; set; }
public List<Book> lstBk { get; set; }
public string ListOfBooks {
get {
return string.Join(", ", lstBk);
}
}
}
This will put all the books from the list into a single cell in the grid. If there is too much data in the cell, then I would suggest using a master-detail with two grids. One for the student and another to display the books from the “selected” student in the “student/Master” grid.
Using a Master-Detail with two grids.
Create a new winforms project, drop a couple of DataGridViews onto the form and the code below should demonstrate one way to implement a Master-Detail using the classes you have posted.
In this case, the Book ToString override is obviously not needed in addition to the added ListOfBooks property in the Student class. They may look like the original post…
public class Book {
public int ID { get; set; }
public string Name { get; set; }
}
public class Student {
public int ID { get; set; }
public string Name { get; set; }
public List<Book> lstBk { get; set; }
}
We will need some mechanism to “signal” when the user “selects” a different cell in the “Student/Master” grid. For this, we will wire up the grids SelectionChanged event. In that event, the code "cast" the selected Student in the grid to a Student object, then uses the Students lstBk list to display into the “Book/Details” grid. This event may look something like below…
private void dataGridView1_SelectionChanged(object sender, EventArgs e) {
Student student = (Student)dataGridView1.CurrentRow.DataBoundItem;
dataGridView2.DataSource = student.lstBk;
}
When the grids are loaded, the details grid is filled using the first row in the master grid as in most cases, this is the default selected cell.
To complete this example, 10 Students are added to the “Student/Master” grid such that each student has a random number of books between 1 and 6.
List<Student> AllStudents;
Random rand;
public Form1() {
InitializeComponent();
dataGridView1.SelectionChanged += new EventHandler(dataGridView1_SelectionChanged);
AllStudents = new List<Student>();
rand = new Random();
}
private void Form1_Load(object sender, EventArgs e) {
for (int i = 1; i < 11; i++) {
AllStudents.Add(GetStudent(i, "Student_" + i + 1));
}
dataGridView1.DataSource = AllStudents;
dataGridView2.DataSource = AllStudents[0].lstBk;
}
private Student GetStudent(int studentID, string name) {
int numberOfBooks = rand.Next(1, 7);
int bookNumber;
List<Book> books = new List<Book>();
for (int i = 0; i < numberOfBooks; i++) {
bookNumber = rand.Next(1, 10000);
books.Add(new Book { ID = bookNumber, Name = "Book" + bookNumber });
}
return new Student { ID = studentID, Name = name, lstBk = books };
}
I hope this makes sense.
I have an object like so
public class Person{
public int ID { get; set; }
public string Name{ get; set; }
public string Surname{ get; set; }
public List<int> AltIDs { get; set; }
public List<string> AltNames{ get; set; }
}
I am setting data into the DataGridView like
dataGridView1.DataSource = null;
dataGridView1.DataSource = persons; // persons is List<Person>
However I only see 3 columns in the DataGridView that is of ID, Name and Surname, the properties with List<int> and List<string> seem to be ignored.
Is there a way to get theses properties showing up in the DataGridView? Probably like comma seperated values.
most probably the persons is null
you just change your code like this code
first Solution :
your model :
public class Person
{
public int ID { get; set; }
public string Name { get; set; }
public string Surname { get; set; }
public List<int> AltIDs { get; set; }
public List<string> AltNames { get; set; }
}
PersonViewModel :
public class PersonViewModel
{
public int ID { get; set; }
public string Name { get; set; }
public string Surname { get; set; }
public int AltID { get; set; }
public string AltName { get; set; }
}
formLoad :
private void Form1_Load(object sender, EventArgs e)
{
List<Person> people = new List<Person>()
{new Person(){ ID=1,Name="a",Surname="a",AltIDs=new List<int>(){1,2,3,4 },AltNames=new List<string>(){"a","b","c" } },
new Person(){ ID=2,Name="b",Surname="b",AltIDs=new List<int>(){10,20,30,40 },AltNames=new List<string>(){"a","b","c" }},
new Person(){ ID=3,Name="c",Surname="c",AltIDs=new List<int>(){100,200,300,400 },AltNames=new List<string>(){"a","b","c" }},
new Person(){ ID=4,Name="d",Surname="d",AltIDs=new List<int>(){1000,2000,3000,4000 },AltNames=new List<string>(){"a","b","c" }},
new Person(){ ID=3,Name="e",Surname="e",AltIDs=new List<int>(){10000,20000,30000,40000 },AltNames=new List<string>(){"a","b","c" }}
};
List<PersonViewModel> pwm = new List<PersonViewModel>();
foreach (var person in people)
{
foreach(var id in person.AltIDs)
{
foreach (var name in person.AltNames)
pwm.Add(new PersonViewModel() { ID = person.ID, Name = person.Name, Surname = person.Surname, AltID = id, AltName = name });
}
}
dgv.DataSource = pwm;
}
Result :
Second Solution :
your model :
public class Person
{
public int ID { get; set; }
public string Name { get; set; }
public string Surname { get; set; }
public List<int> AltIDs { get; set; }
public List<string> AltNames { get; set; }
}
PersonViewModel :
public class PersonViewModel
{
public int ID { get; set; }
public string Name { get; set; }
public string Surname { get; set; }
public string AltID { get; set; }
public string AltName { get; set; }
}
FormLoad :
private void Form1_Load(object sender, EventArgs e)
{
List<Person> people = new List<Person>()
{new Person(){ ID=1,Name="a",Surname="a",AltIDs=new List<int>(){1,2,3,4 },AltNames=new List<string>(){"a","b","c" } },
new Person(){ ID=2,Name="b",Surname="b",AltIDs=new List<int>(){10,20,30,40 },AltNames=new List<string>(){"a","b","c" }},
new Person(){ ID=3,Name="c",Surname="c",AltIDs=new List<int>(){100,200,300,400 },AltNames=new List<string>(){"a","b","c" }},
new Person(){ ID=4,Name="d",Surname="d",AltIDs=new List<int>(){1000,2000,3000,4000 },AltNames=new List<string>(){"a","b","c" }},
new Person(){ ID=3,Name="e",Surname="e",AltIDs=new List<int>(){10000,20000,30000,40000 },AltNames=new List<string>(){"a","b","c" }}
};
List<PersonViewModel> pwm = new List<PersonViewModel>();
StringBuilder sbIds;
StringBuilder sbNames;
foreach (var person in people)
{
sbIds = new StringBuilder();
sbNames = new StringBuilder();
person.AltIDs.ForEach(c=> sbIds.Append(c.ToString()).Append(","));
person.AltNames.ForEach(c=> sbNames.Append(c).Append(","));
pwm.Add(new PersonViewModel() { ID = person.ID, Name = person.Name, Surname = person.Surname, AltID = sbIds.ToString().TrimEnd(','), AltName = sbNames.ToString().TrimEnd(',') });
}
dgv.DataSource = pwm;
}
Result :
When DataGridView is bound to DataSource, it auto generates columns for it for the properties with primitive datatypes such as int, string, double etc.
For the datatypes which are collections, DataGridViewComboBoxColumn is used. This type of column is not autogenerated. You need to add such columns manually in the GridView columns collection.
For your use case following is the solution.
Add DataGridView to the form and add columns to it manually from the Form's designer view by click on Add Column. You will have to add 3 DataGridViewTextBoxColumn and 2 DataGridViewComboBoxColumn.
After adding columns, the columns would look as following.
Now while assigning DataSource to the DataGridView you need to write following code. Here IdColumn, NameColumn, and SurnameColumn are the names give to columns when they were created in above steps.
dataGridView1.AutoGenerateColumns = false;
IdColumn.DataPropertyName = "ID";
NameColumn.DataPropertyName = "Name";
SurnameColumn.DataPropertyName = "Surname";
dataGridView1.DataSource = persons;
With the above code you will see Id, Name and Surname columns populated for persons in the collection but the dropdown lists in last two columns are empty.
To populate the dropdown list columns you need to add event handler for CellClick event of the DataGridView. And write following code there.
Here AltIdsColumn and AltNamesColumn are the names given to column when they created manually in earlier steps.
private void dataGridView1_CellClick(object sender, DataGridViewCellEventArgs e)
{
var altIdIndex = dataGridView1.Columns["AltIdsColumn"].Index;
var altNameIndex = dataGridView1.Columns["AltNamesColumn"].Index;
if (altIdIndex == e.ColumnIndex || altNameIndex == e.ColumnIndex)
{
var altIdsCell = (DataGridViewComboBoxCell)dataGridView1.Rows[e.RowIndex].Cells[altIdIndex];
var altNamesCell = (DataGridViewComboBoxCell)dataGridView1.Rows[e.RowIndex].Cells[altNameIndex];
if (altIdsCell.DataSource == null || altNamesCell.DataSource == null)
{
var person = dataGridView1.Rows[e.RowIndex].DataBoundItem as Person;
if (person != null)
{
altIdsCell.DataSource = person.AltIDs;
altNamesCell.DataSource = person.AltNames;
}
}
}
}
With this code, the dropdown list of AldIDs and AltNames columns will be populated when you click on those dropdown lists on individual rows.
I hope this will help you resolve your issue.
From what I can tell, this appears as a fairly basic “Master/Slave” type UI. In the grid, there is a “Person” object with the ID, Name and Surname. Obviously from your question, the AltIDs and AltNames Lists are NOT displayed in the grid.
This is due to the fact that the grid has a problem trying to add a “list of multiple” values into a “single” cell. As suggested, it is possible for you to “combine” the values into a “single” string and use that. However, this is extra work on your part and may create more work if the cell is edited.
One issue in this example is that, the AltIDs list for each Person could and will have a different number of elements. One possible solution is to simply ADD theses as new rows where the Person info (ID, Name and Surname) are duplicated. This will work but IMHO not very user friendly. The combo box option will also work, however again it may be confusing to users since a combo box “usually” indicates that the users selects a “single” value from many.
It is also possible to “flatten” each person object and have a column for each AltID in the list. This will work but the possibility of large gaps in the grid are likely. Again, not very user friendly. This is all doubled by the fact that there is another list AltNames that we have to take into account.
Given this, it appears clear that YOU are going to have to do extra work UNLESS you use an advanced third-party grid OR add more grids to the picture… in this case three (3) total. One for the person, another for the IDs and a third for the Names. Proper arrangement of the grids may be a little work, however, with three grids, it will make all the issues described above… go away. In addition the coding will be much easier.
It would be such that the user “selects” a Person from the first grid, then the second grid list all the AltID values and the third grid lists all the AltName values. If the “same” data source is used for each grid then… when the user selects a different Person in the person grid, the AltID grid and AltName grid will “automatically” update/refresh with the proper values. This will also make CRUD operations on any grid/value much easier.
The only problem I seen in the current Person class is that the two Lists are of “primitive” types. Used this way, the lists won’t display properly, the grid wants a CLASS. Therefore, you need to make a wrapper class for the AltID and AltName lists. Then change the list values in the Person class. Something like…
public class AltID_C {
public int AltID { get; set; }
}
public class AltName_C {
public string AltName { get; set; }
}
public class Person {
public int ID { get; set; }
public string Name { get; set; }
public string Surname { get; set; }
public List<AltID_C> AltIDs { get; set; }
public List<AltName_C> AltNames { get; set; }
}
With this, all that is needed is to set each grid to the “same” data source, then set the AltID grids DataMember to the “AltIDs” property and set the AltNames grids DataMember to the “AltNames` property. Something like…
List<Person> AllPersons;
public Form1() {
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e) {
AllPersons = GetRandomData(25);
dgvPerson.DataSource = AllPersons;
dgvAltID.DataSource = AllPersons;
dgvAltID.DataMember = "AltIDs";
dgvAltNames.DataSource = AllPersons;
dgvAltNames.DataMember = "AltNames";
}
Additional code below to complete the example.
private List<Person> GetRandomData(int numberOfPersons) {
List<Person> listOPeople = new List<Person>();
Person curPerson;
Random rand = new Random();
for (int i = 0; i < numberOfPersons - 1; i++) {
curPerson = new Person() {
ID = rand.Next(1, 1000),
Name = "Name_" + i + 1,
Surname = "Sname_" + i + 1,
AltIDs = GetRandomNumberOfInts(rand),
AltNames = GetRandomNumberOfStrings(rand)
};
listOPeople.Add(curPerson);
}
return listOPeople;
}
private List<AltID_C> GetRandomNumberOfInts(Random rand) {
List<AltID_C> listOInts = new List<AltID_C>();
int numberOfInts = rand.Next(0, 10);
for (int i = 0; i < numberOfInts - 1; i++) {
listOInts.Add(new AltID_C { AltID = rand.Next(1, 10000) });
}
return listOInts;
}
private List<AltName_C> GetRandomNumberOfStrings(Random rand) {
List<AltName_C> listOStrings = new List<AltName_C>();
int numberOfStrings = rand.Next(0, 10);
for (int i = 0; i < numberOfStrings - 1; i++) {
listOStrings.Add(new AltName_C { AltName = "RandString: " + rand.Next(1, 1000) });
}
return listOStrings;
}
Hope that helps.
on WPF on c# i have combobox
<ComboBox x:Name="listCombobox" />
and i add it item like
var list = new[]
{
new { Number = 1, Name = "Smith" },
new { Number = 12, Name = "John" } ,
new { Number = 14, Name = "Bon" }
}.ToList();
foreach (var item in list)
{
listCombobox.Items.Add(item.Name);
}
what i want that on the combobox i will see the Name(like now)
but when i selected , on the code behind i will see not the name i selected
i want to see the Number that selected
thanks!
Define a class like this
public class dataObject
{
public int Number { get; set; }
public string Name { get; set; }
}
And fill the data,
List<dataObject> bindingList = new List<dataObject>();
bindingList.Add(new dataObject()
{
Name = "Smith",
Number = 1
});
bindingList.Add(new dataObject()
{
Name = "John",
Number = 12
});
bindingList.Add(new dataObject()
{
Name = "Bon",
Number = 14
});
listCombobox.ItemsSource = bindingList;
listCombobox.DisplayMemberPath = "Name";
On selectionChanged event of the combobox, do this,
private void listCombobox_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
dataObject result = (dataObject)listCombobox.SelectedItem;
var selectedNumber = result.Number;
}
I would use a custom ListItem class and assign objects of this type to the ItemSource property of the combobox control like this:
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
var list = new List<ListItem>
{
new ListItem{ Value = 1, Text = "Smith" },
new ListItem{ Value = 12, Text = "John" } ,
new ListItem{ Value = 14, Text = "Bon" }
}.ToList();
listCombobox.ItemsSource = list;
listCombobox.DisplayMemberPath = "Text";
listCombobox.SelectedValuePath = "Value";
}
private void listCombobox_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
var selectedItem = (sender as ComboBox).SelectedItem as ListItem;
if (selectedItem != null)
{
// do something with the selected item
}
}
}
public class ListItem
{
public string Text { get; set; }
public int Value { get; set; }
}
I would solve it as follows:
...
foreach (var item in list)
listCombobox.Items.Add(new ComboBoxItem() {
Content = item.Name,
Tag = item.Number
});
You can of course retrieve your Data by using
int mytag = listCombobox.Items[3].Tag;
or
int seletected = listCombobox.SelectedItem.Tag;
MSDN Reference for PresentationFramework.dll::System.Windows.Frameworkelement.Tag
Easiest way, I think, is to put these numbers as Tag of every listCombobox item:
foreach (var item in list) {
listCombobox.Items.Add(new ComboBoxItem { Content = item.Name, Tag = item.Number });
}
And access your number (OnSelectedItemchanged, for example):
void Cb_SelectionChanged(object sender, SelectionChangedEventArgs e) {
int number = (int)((ComboBoxItem) listCombobox.SelectedItem).Tag;
}
I want to populate my ListBox by a list of objects with properties , and I want to know how to define the listbox to display a certain property within this object which is some text,
and the other is the name of methods to be invoked while the listBox Items are clicked (SelectIndexChanged)
Hope this helps.
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
//Create a listbox, with given height/width and top/left
var lstBox = new ListBox
{
Width = 300,
Height = 300,
Top = 10,
Left = 10
};
//Add the listbox to your form
this.Controls.Add(lstBox);
//Create a list of your customclass
var listCustomClass = new List<CustomClass>();
//Populate the list with values
for (int i = 0; i < 50; i++)
{
//create an instanze of your customclass
var customClass = new CustomClass();
//set properties of your class
customClass.Name = "Name " + i;
customClass.Description = "Description " + i;
if (i % 2 == 0)
customClass.MethodName = "CallMeBaby";
else
customClass.MethodName = "CallMeBabyWithParameter";
customClass.RandomProperty1 = "RandomProperty1 " + i;
//add the newly created customclass into your list
listCustomClass.Add(customClass);
}
//set the listbox to display or value what you need
lstBox.DisplayMember = "Description"; //Name of a property inside the class CustomClass
lstBox.ValueMember = "Name"; //Name of a property inside the class CustomClass
//set the datasource
lstBox.DataSource = listCustomClass;
//register the selectedindexchanged event
lstBox.SelectedIndexChanged += lstBox_SelectedIndexChanged;
}
private void lstBox_SelectedIndexChanged(object sender, EventArgs e)
{
//get the listbox from the sender
var lstBox = (sender as ListBox);
if (lstBox != null)
{
//safe cast the selecteditem to your customclass to get full access to any public property with the class definition
var customClass = lstBox.SelectedItem as CustomClass;
if (customClass != null)
{
//do what ever you want with the object and its properties
var name = customClass.Name;
var desription = customClass.Description;
var methodName = customClass.MethodName;
var randomProperty1 = customClass.RandomProperty1;
//call a certain method based on a string within the object
if (methodName == "CallMeBaby")
CallMeBaby();
else if (methodName == "CallMeBabyWithParameter")
CallMeBaby(name);
}
}
}
//declare the methods that are being called
private void CallMeBaby(string value)
{
//Access the parameter and do something
if (value == "HelloWorld!")
{
//Do something...
}
}
//parameterless method to show the possibilities...
private void CallMeBaby()
{
//Do something...
}
//define a public class
public class CustomClass
{
//random properties, can be extended to have what ever your need
public string Name { get; set; }
public string Description { get; set; }
public string MethodName { get; set; }
public string RandomProperty1 { get; set; }
}
}
Suppose i have
class Person
{
public int Id {get;set;}
public string Name {get;set;}
public List<Person> All {get;set;}
public Person()
{
}
public List<Person> GetAll()
{
//fills the list with person and returns
}
}
and that i have:
class Address
{
public int PersonId {get;set;}
public string theAddress {get;set;}
public List<Address> All {get;set;}
//constructor, etc
public List<Address> GetAll()
{
//fills the address list and returns
}
}
What im trying to do is exactly the following:
//filling the maintemplate with data
radGridView1.DataMember = "Person";
radGridView1.DataSource = new Person().GetAll();
//address template, the child one
GridViewTemplate template = new GridViewTemplate();
template.DataSource = new Address().GetAll();
template.DataMember = "Address";
radGridView1.MasterTemplate.Templates.Add(template);
//now the relation between those 2 classes
GridViewRelation relation = new GridViewRelation(radGridView1.MasterTemplate);
relation.ChildTemplate = template;
relation.RelationName = "PersonAddress"; //just a name
relation.ParentColumnNames.Add("Id"); //field to be "joined" to create the relation
relation.ChildColumnNames.Add("PersonId"); //same as above
radGridView1.Relations.Add(relation);
and what i get is exactly a gridview with a "+" sign by the side of each Person
The problem is, the "child" grid is EMPTY, and if i try to add data (its, by default, allowed with an empty constructor in the class) i throw an NullArgumentException
Any ideas? im almost giving up. My problem is: i use custom objects on all projects, its not like "yo use datasets, its ready to use etc", i know that, but i would like to know if there's a way to use CUSTOM OBJECTS, or if im done and should try datasets...
Thanks guys
It looks like you are using the WinForms implementation. If that's right, then this works for me fine. Please give this a go
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using Telerik.WinControls.UI;
namespace RadGridView_Hierarchy_CS
{
public partial class Form1 : Form
{
private List<Person> people = new List<Person>();
private List<Address> addresses = new List<Address>();
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
FillPeople();
FillAddresses();
radGridView1.DataSource = people;
GridViewTemplate template = new GridViewTemplate();
template.DataSource = addresses;
radGridView1.MasterTemplate.Templates.Add(template);
GridViewRelation relation = new GridViewRelation(radGridView1.MasterTemplate);
relation.ChildTemplate = template;
relation.RelationName = "PersonAddress";
relation.ParentColumnNames.Add("Id");
relation.ChildColumnNames.Add("PersonId");
radGridView1.Relations.Add(relation);
}
private void FillPeople()
{
Person richard = new Person();
richard.Name = "Richard";
richard.Id = 1;
people.Add(richard);
Person bob = new Person();
bob.Name = "Bob";
bob.Id = 2;
people.Add(richard);
Person mike = new Person();
mike.Name = "Mike";
mike.Id = 3;
people.Add(mike);
}
private void FillAddresses()
{
Address house1 = new Address();
house1.PersonId = 1;
house1.Id = 1;
house1.theAddress = "1 The Mews";
addresses.Add(house1);
Address house2 = new Address();
house2.PersonId = 2;
house2.Id = 2;
house2.theAddress = "2 The Mews";
addresses.Add(house2);
}
}
class Person
{
public int Id {get;set;}
public string Name {get;set;}
public Person()
{
}
}
class Address
{
public int Id { get; set; }
public int PersonId {get;set;}
public string theAddress {get;set;}
public Address()
{
}
}
}
stumbled over you post when searching for a solution to this, so ill add my solution in case someone needs it ... ( using version Q1 2011 ).
in some initialisation method of your UC/Grid you could do something like
//setup the template
GridViewTemplate subtemplate = new GridViewTemplate();
subtemplate.AutoSizeColumnsMode = GridViewAutoSizeColumnsMode.Fill;
subtemplate.EnableFiltering = false;
subtemplate.EnableGrouping = false;
subtemplate.AutoGenerateColumns = false;
//define / add the cols
GridViewTextBoxColumn atextcol = new GridViewTextBoxColumn("Name");
//further properties of atextcol
//add the cols to the template
subtemplate.Columns.Add(atextcol);
//add the template to the grid
thegrid.Templates.Add(subtemplate);
//add a HierarchyDataProvider && subscribe to the RowSourceNeeded-Event
subtemplate.HierarchyDataProvider = new GridViewEventDataProvider(subtemplate);
thegrid.RowSourceNeeded += new GridViewRowSourceNeededEventHandler(thegrid_RowSourceNeeded);
then, in the eventhandler fill the row/rows
protected void thegrid_RowSourceNeeded(object sender, GridViewRowSourceNeededEventArgs e)
{
e.Template.Rows.Clear();
patentdata cparent = e.ParentRow.DataBoundItem as patentdata;
foreach (subdataobject sub in parentdata.subs)
{
GridViewRowInfo row = e.Template.Rows.NewRow();
row.Tag = sub;
row.Cells["Name"].Value = sub.Name;
e.SourceCollection.Add(row);
}
}
so, that would be it. critics ?