Hello Szymon,
Thank you for contacting Telerik Support.
In order to achieve your goal, please, have a look at the following approach:
List<string> names = new List<string>();
public Form1()
{
InitializeComponent();
List<MyName> objects = new List<MyName>()
{
new MyName("John Smith"),
new MyName("Peter Jackson"),
new MyName("Merry Stones"),
new MyName("Bryan Cold"),
};
names.AddRange(GetNames(objects));
this.radGridView1.AutoGenerateColumns = false;
GridViewTextBoxColumn textBoxColumn = new GridViewTextBoxColumn("Name");
radGridView1.MasterTemplate.Columns.Add(textBoxColumn);
GridViewComboBoxColumn comboCol = new GridViewComboBoxColumn("Ref Name");
comboCol.DataSource = names;
this.radGridView1.Columns.Add(comboCol);
this.radGridView1.DataSource = objects;
this.radGridView1.CellEditorInitialized += radGridView1_CellEditorInitialized;
}
private void radGridView1_CellEditorInitialized(object sender, GridViewCellEventArgs e)
{
RadDropDownListEditor editor = e.ActiveEditor as RadDropDownListEditor;
if (e.RowIndex > -1 && editor != null)
{
editor.DropDownStyle = Telerik.WinControls.RadDropDownStyle.DropDownList;
(editor.EditorElement as RadDropDownListEditorElement).DataSource =
FilterList((editor.EditorElement as RadDropDownListEditorElement).DataSource, (e.Row.DataBoundItem as MyName).Name);
}
}
private object FilterList(object dataSource, string filterName)
{
List<string> dataNames = new List<string>();
foreach (string name in dataSource as List<string>)
{
if (name != filterName)
{
dataNames.Add(name);
}
}
return dataNames;
}
private void radGridView1_CellFormatting(object sender, CellFormattingEventArgs e)
{
if (e.RowIndex > -1 && e.Column.Name == "Ref Name")
{
(e.CellElement as GridComboBoxCellElement).Text = (e.Row.DataBoundItem as MyName).Name;
}
}
private IEnumerable<string> GetNames(List<MyName> objects)
{
List<string> objectNames = new List<string>();
foreach (MyName nameObj in objects)
{
objectNames.Add(nameObj.Name);
}
return objectNames;
}
public class MyName
{
public string Name { get; set; }
public MyName(string name)
{
this.Name = name;
}
}
I hope this information helps. Should you have further questions, I would be glad to help.
Regards,
Desislava
Telerik
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