Hi, this should do:         public Form1()        {            Xceed.Grid.Licenser.LicenseKey = ''GRD38-.....-.....-RNAA'';            ...

Hi!To make a cell showing its content as a masked password (i.e. ''*******''), one possibility is: DataRow dataRow;// gridControl1 being the default grid name when dropped on a form, could be something else dataRow = this.gridControl1.DataRows.AddNew();// WinTextBox is defined in Xceed.Editors so make you have a reference and a ''using'' ...