void GridView_CustomCallback(object sender, ASPxGridViewCustomCallbackEventArgs e)
{
var control = sender as ASPxGridView;
if (e.Parameters == "clear")
{
control.Selection.UnselectAll();
control.FocusedRowIndex = -1;
((ASPxGridLookup)this.Editor).Value = null;
WriteValue();
}
else if (e.Parameters.StartsWith("newObjId="))
{
object newObject = helper.GetObjectByKey(this.CurrentObject, e.Parameters.Replace("newObjId=", ""));
((ASPxGridLookup)this.Editor).Value = newObject;
WriteValue();
}
}
private object GetObjectByKey(string key)
{
return(helper.GetObjectByKey(CurrentObject, key));
}
private void ComboBoxOnValueChanged(object sender, EventArgs e)
{
PropertyValue = _helper.GetObjectByKey(CurrentObject, $"{_comboBox.Value}");
WriteValue();
}