public override void SetContent()
{
int[] values = this.Value as int[];
if (values == null)
{
this.Text = "";
}
else
{
string text = "";
CustomColumn col = this.ColumnInfo as CustomColumn;
if (col != null)
{
foreach (int i in values)
{
col.UseGetLookupValue = true;
object val = col.GetLookupValue(i);
col.UseGetLookupValue = false;
if (val != null)
{
text += val.ToString() + "; ";
}
}
}
this.Text = text;
}
}
public Form1()
{
InitializeComponent();
DataTable t = new DataTable();
t.Columns.Add("ID", typeof(int));
t.Columns.Add("Name", typeof(string));
t.Rows.Add(1, "one");
t.Rows.Add(2, "two");
t.Rows.Add(3, "three");
t.Rows.Add(4, "four");
t.Rows.Add(5, "five");
t.Rows.Add(6, "six");
t.Rows.Add(7, "seven");
t.Rows.Add(8, "eight");
t.Rows.Add(9, "nine");
t.Rows.Add(10, "ten");
CustomColumn col = new CustomColumn("MutiSelect column");
col.DataSource = t;
col.DisplayMember = "Name";
col.ValueMember = "ID";
radGridView1.Columns.Add(col);
radGridView1.Rows.Add(new int[] { 9, 6, 10 });
radGridView1.Rows.Add(new int[] { 5, 1, 3 });
radGridView1.Rows.Add(new int[] { 8, 7 });
radGridView1.Rows.Add(new int[] { 4, 2, 1 });
}
